izv. prof. dr. sc. Dubravko Babić

Associate professor, Department of Wireless Communications

Function: Associate Professor, Department of Wireless Communications

Location:
Public phone number:
01/612-9663
Internal phone number:
163

Wavelength reuse WDM-PON using RSOA and modulation averaging

Šprem, Marko ; Babić, Dubravko
2019.
Optics Communications

10-MSymbols/s QAM-16 externally-modulated optical link for radio-over-fiber applications

Vukomanović, Mladen ; Šprem, Marko ; Šipuš, Zvonimir ; Babić, Dubravko
2018.
41st International Convention on Information and Communication Technology, Electronics and Microelectronics

Link budget analysis for a proposed Cubesat Earth observation mission

Barbarić, Dominik ; Vuković, Josip ; Babić, Dubravko
2018.
41st International Convention MIPRO 2018

Signal-to-noise ratio of arbitrarily filtered spontaneous emission

Šprem, Marko ; Bosiljevac, Marko ; Babic, Dubravko I.
2018.
Photonics West - SPIE OPTO

Optical-coupler based modulation-averaging structures for self-seeded colorless WDM-PON

Komljenovic, Tin ; Babic, Dubravko ; Sipus , Zvonimir
2017.

Tunable transceivers for colorless spectrum-sliced WDM passive optical networks

Sprem, Marko ; Babic, Dubravko
2017.

Wavelength-reuse fiber-optic transmitters

Babic, Dubravko ; Komljenovic, Tin ; Sipus, Zvonimir
2017.

Light sources with highly stable output intensity

Bosiljevac, Marko ; Babić, Dubravko I.
2017.

Accurate estimate and measurement of continuous-wave noise in filtered incoherent light

Šprem, Marko ; Babić, Dubravko
2017.
Applied optics (2004)

Phase-stiff RF power amplifier for phased array transmit/receive modules

Dubravko Babić
2016.

Importance and measurement of phase-stiffness in RF switching amplifiers

Babić, D. ; McCune, E. ; Godycki, W. ; Diduck, Q. ; Kirkpatrick, D.
2016.
87th ARFTG Microwave Measurement Conference

Class-D GaN 15MHz-bandwidth amplitude modulator with a direct CMOS interface

Godycki, W. ; Diduck, Q. ; McCune, E. ; Babić, D.
2016.
IEEE Annual Wireless and Microwave Technology Conference (WAMICOM)

Ultra-stable LED sources

Bosiljevac, Marko ; Babić, Dubravko
2016.
22nd International Conference on Applied Electromagnetics and Communications (ICECom 2016)

Reaching <100  ppm/K output intensity temperature stability with single-color light-emitting diodes

Bosiljevac, Marko ; Downing, John ; Babić, Dubravko
2016.
Applied optics (2004)

Temperature-stable LED-based light source without temperature control

Bosiljevac, Marko ; Babić, Dubravko ; Šipuš, Zvonimir
2016.
Photonics West 2016 - Photonic Instrumentation Engineering III

Fiber-optic vibration sensor for high-power electric machines realized using 3D printing technology

Igrec, Bojan ; Bosiljevac, Marko ; Šipuš, Zvonimir ; Babić, Dubravko ; Rudan, Smiljko
2016.
Photonics West 2016 - Photonic Instrumentation Engineering III

Optical sources employing self-seeding and modulation averaging

Babic, Dubravko Ivan
2015.

Method for manufacturing semiconductor devices having gallium nitride epilayers on diamond substrates using intermediate nucleating layer

Francis, Daniel ; Ejeckam, Felix ; Wasserbauer, John ; Babic, Dubravko
2015.

Self-Seeded WDM-PON for Next Generation Broadband Access Networks

Šprem, Marko ; Bojanjac, Dario ; Bosiljevac, Marko ; Komljenović, Tin ; Muha, Damir ; Babić, Dubravko ; Šipuš, Zvonimir
2015.
57th International Symposium ELMAR-2015

Modulation averaging reflectors

Komljenović, Tin ; Babić, Dubravko
2015.

Fiber-optic vibration sensor for high-power electric machines

Igrec, Bojan ; Bosiljevac, Marko ; Rudan, Smiljko ; Šipuš, Zvonimir ; Babić, Dubravko
2015.
38th International Convention on Information and Communication Technology, Electronics and Microelectronics (MIPRO 2015)

Temperature dependence of injection-locked Fabry- Pérot laser emission in WDM-PON architectures

Šprem, Marko ; Babić, Dubravko ; Bosiljevac, Marko ; Šipuš, Zvonimir
2015.
38th International Convention on Information and Communication Technology, Electronics and Microelectronics (MIPRO 2015)

RF and milimeter-wave high-power semiconductor device

Babic, Dubravko I. ; Diduck, Quentin E. ; Schreiber, Alex
2014.

Gallium--nitride-on-diamond wafers and devices, and methods of manufacture

Babic, Dubravko ; Faili, Firooz ; Francis, Daniel ; Diduck, Quentin ; Ejeckam, Felix
2014.

GaN-on-Diamond: A Brief History

Ejeckam, F. ; Franics, D. ; Faili, F. ; Twichen, D. ; Bollinger, B. ; Babić, D. ; Felbinger, J.
2014.
Lester Eastman Conference on High Performance Devices (LEC)

Diamond for enhanced GaN device performance

Ejeckam, F. ; Francis, D. ; Faili, F. ; Dodson, J. ; Twichen, D. J. ; Bollinger, B. ; Babic, D.
2014.
IEEE Intersociety Conference on Thermal and Thermomechanical Phenomena in Electronic Systems (ITherm)

3, 000+ Hours Continuous Operation of GaN-on- Diamond HEMTs at 350°C

Ejeckam, F. ; Babić, D. I. ; Faili, F. ; Francis, D. ; Lowe, F. ; Twitchen, D. ; Bollinger, B.
2014.
Semiconductor Thermal Measurement and Management Symposium (SEMI-THERM)

GaN-on-Diamond : The Next GaN

Ejeckam, F. ; Francis, D. ; Faili, F. ; Lowe, F. ; Wilman, J. ; Mollart, T. ; Dodson, J. ; Twitchen, D. ; Bolliger, B. ; Babić, Dubravko
2014.
Microwave journal. Internation. ed.

Temperature-stable incoherent light source

Babić, Dubravko
2014.

C and L band Self-seeded WDM-PON Links using Injection locked Fabry-Pérot Lasers and Modulation Averaging

Komljenović, Tin ; Babić, Dubravko ; Šipuš, Zvonimir
2014.
Optical Fiber Communications Conference and Exhibition (OFC)

Colorless optical sources for fiber-optic access networks of new generation

Šprem, Marko ; Komljenović, Tin ; Babić, Dubravko ; Šipuš, Zvonimir
2014.
56th International Symposium ELMAR-2014

Optimal AlGaN/GaN HEMT Buffer Layer Thickness in the Presence of an Embedded Thermal Boundary

Babić, Dubravko
2014.
IEEE transactions on electron devices

High-stability light source system and method of manufacturing

Downing, Jr., John P. ; Babic, Dubravko Ivan
2013.

Integral-equation solution of modes in apertured laser resonators with distributed mirrors

Babić, D.
2013.
International Conference on Applied Electromagnetics and Communications (IceCOM)

175, 000 Device-Hours Operation of AlGaN/GaN HEMTs on Diamond at 200°C Channel Temperatures

Babić, D. I. ; Diduck, Q. ; Khandavalli, C. ; Francis, D. ; Faili, F. ; Ejeckam, F.
2013.
International Convention on Information and Communications Technology, Electronics and Microelectronics (MIPRO)

Measurement of Thermal Boundary Resistance using Liquid Crystal Thermography

Babić, D. I. ; Diduck, Q. ; Khandavalli, C. ; Francis, D. ; Faili, F. ; Ejeckam, F.
2013.
International Convention on Information and Communications Technology, Electronics and Microelectronics (MIPRO)

An ultra-stable VCSEL light source

Downing, J. ; Babić, D.
2013.
SPIE

Stanje i budućnost mikroelektronike i elektroničke tehnologije kod nas i u svijetu - Prilika za uključenje

Babić, Dubravko ; Suligoj, Tomislav ; Poljak, Mirko
2013.

Colorless Optical Network Architecture and Network Components

Babić, Dubravko ; Komljenović, Tin ; Šipuš, Zvonimir
2013.

Thermal Analysis of AlGaN/GaN HEMTs Using Angular Fourier - Series Expansion

Babić, Dubravko
2013.
Journal of heat transfer-transactions of the asme

Characterization of mirror-based modulation-averaging structures

Komljenović, Tin ; Babić, Dubravko ; Šipuš, Zvonimir
2013.
Applied optics (2004)

Semiconductor devices having gallium nitride epilayers on diamond substrates

Francis, Daniel ; Ejeckam, Felix ; Wasserbauer, John ; Babic, Dubravko
2012.

Method for manufacturing semiconductor devices having gallium nitride epilayers on diamond substrates

Francis, Daniel ; Ejeckam, Felix ; Wasserbauer, John ; Babic, Dubravko
2012.

Comparison of GaN on Diamond with GaN on SiC HEMT and MMIC Performance

Tyhach, M. ; Bernstein, S. ; Saledas, P. ; Ejeckam, F. ; Babic, D. I. ; Faili, F. ; Francis, D.
2012.
CS MANTECH Conference

Interrogating FBG based temperature sensors — Practical issues

Bosiljevac, Marko ; Komljenović, Tin ; Babić, Dubravko ; Šipuš, Zvonimir
2012.
54th International Symposium Elmar-2012

Extended Cavity Light Source Using Modulation-Averaging Reflectors for WDM-PON

Komljenović, Tin ; Babić, Dubravko ; Šipuš, Zvonimir
2012.
European Conference on Optical Communication - ECOC 2012.

47-km 1.25-Gbps transmission using a self-seeded transmitter with a modulation averaging reflector

Komljenović, Tin ; Babić, Dubravko ; Šipuš, Zvonimir
2012.
Optics express

Composite wafers having bulk-quality semiconductor layers and method of manufacturing thereof

Francis, Daniel ; Ejeckam, Felix ; Wasserbauer, John ; Faili, Firooz ; Babic, Dubravko
2011.

Poluvodički Nanotehnološki Centar u Hrvatskoj

Holik, Ž. ; Babić, D. ; Biljanović, P. ; Turković, J.
2011.
Projekti i Projektni Menadžement, Znanstveno- stručni skup s međunarodnim sudjelovanjem

GaN-on-diamond Technology for Microwave/Millimeter-wave Applications

Babić, D. I.
2011.
Invited Lecture at the IEEE MTT-Santa Clara Valley Chapter

Advancements in GaN-on-Diamond HEMT and MMIC Fabrication

Tyhach, M. ; Bernstein, S. ; Saledas, P. ; Ejeckam, F. ; Babic, D. I. ; Faili, F. ; Francis, D.
2011.
220th Electro-Chemical Society Meeting

Development of III-Nitride HEMTs on CVD Diamond Substrates

Faili, F. ; Diduck, Q. ; Babić, D. I. ; Francis, D. ; Wasserbauer, J. ; Ejeckam, F. ; Blevins, J. D.
2011.
CS MANTECH Conference

Novel high temperature annealed schottky metal for GaN devices

Diduck, Quentin ; Walsh, Ian ; Babić, Dubravko ; Eastman, L. F.
2011.
International journal of high speed electronics and systems

Laser machining of GaN-on-diamond wafers

Babić, Dubravko I. ; Diduck, Quentin ; Faili, Firooz ; Wasserbauer, John ; Lowe, Frank ; Francis, Daniel ; Ejeckam, Felix
2011.
Diamond and Related Materials

Modulation-Averaging Reflectors for Extended-Cavity Optical Sources

Komljenović, Tin ; Babić, Dubravko ; Šipuš, Zvonimir
2011.
Journal of lightwave technology

Nanotehnologija u Hrvatskoj – Šansa za male i zakašnjele

Babić, D.
2010.

GaN-on-Diamond Field-Effect Transistors: from Wafers to Amplifier Modules

Babić, D. I. ; Diduck, Q. , Yenigalla, P. ; Schreiber, A. ; Francis, D. ; Faili, F. ; Ejeckam, F. ; Felbinger, J.G. ; Eastman, L. F.
2010.
International Convention on Information and Communications Technology, Electronics and Microelectronics (MIPRO),

Comparative Study of AlGaN/GaN HEMTs on Free- Standing Diamond and Silicon Substrates for Thermal Effects

Trejo, M. ; Chabak, K. D. ; Poling, B. ; Gilbert, R. ; Crespo, A. ; Gillespie, J. K. ; Kossler, M. , Walker, D. E. ; Via, G. D. , Jessen, G. H. ; Francis, D. ; Babić, D. ; Ejeckam, F.
2010.
Compound Semiconductor Integrated Circuit Symposium (CSICS)

Full-Wafer Characterization of AlGaN/GaN HEMTs on Free- Standing CVD Diamond Substrates

Chabak, K.D. ; Gillespie, J.K. ; Miller, V. ; Crespo, A. ; Roussos, J. ; Trejo, M. ; Walker, D.E. ; Via, G.D. ; Jessen, G.H. ; Wasserbauer, J. ; Faili, F. ; Babić, Dubravko I. ; Francis, D. ; Ejeckam, F.
2010.
IEEE electron device letters

Formation and characterization of 4-inch GaN-on-diamond substrates

Francis, D. ; Faili, F. ; Babić, Dubravko ; Ejeckam, F. ; Nurmiko, A ; Maris, H.
2010.
Diamond and related materials

Semiconductor devices having gallium nitride epilayers on diamond substrates

Francis, Daniel ; Ejeckam, Felix ; Wasserbauer, John ; Babic, Dubravko
2009.

Croatian Semiconductor Industry Cluster

Babić, D. ; Holik, Ž.
2009.
Symposium on Microelectronics, Electronics, and Electronic Technologies (MEET), MIPRO

Frequency performance enhancement of AlGaN/GaN HEMTs on diamond

Diduck, Q. ; Felbinger, J. ; Eastman, L.F. ; Francis, D. ; Wasserbauer, J. ; Faili, F. ; Babić, Dubravko I. ; Ejeckam, F.
2009.
Electronics Letters

High-bandwidth CX4 optical connector

Babić, D. ; Badihi, A. ; Rockman, S.
2008.
39th Symposium of the International Institute of Connectors and Interconnect Technology (IICIT)

Materials Characterization Comparison of GaN HEMT- on-Diamond Layers Pre- and Post-Attachment

Carlin, J. ; Jessen, G. ; Gillespie, J. ; Tomich, D. ; Francis, D. ; Wasserbauer, J. ; Faili, F. ; Babić, D. ; Ejeckam, F.
2008.
CS MANTECH Conference

Diamond cools high-power transistors

Francis, D. ; Wasserbauer, J. ; Babić, Dubravko ; Faili, F. ; Ejeckam, F.
2007.

Comparison of GaN HEMTs on Diamond and SiC Substrates

Felbinger, J.G. ; Chandra, M.V.S. ; Sun, Y. ; Eastman, L.F. ; Wasserbauer, J. ; Faili, F. ; Babić, D. ; Francis, D. ; Ejeckam, F.
2007.
31th Workshop on Compound Semiconductor Devices and Integrated Circuits

GaN-HEMT Epilayers on Diamond Substrates: Recent Progress

Francis, D. ; Wasserbauer, J. ; Faili, F. ; Babić, Dubravko I. ; Ejeckam, F. ; Hong, W. ; Specht, P. ; Weber, E.
2007.
International Conference on Compound Semiconductor Manufacturing Technology

Comparison of GaN HEMTs on Diamond and SiC Substrates

Felbinger, Jonathan G. ; Chandra, M.V.S. ; Sun, Yunju ; Eastman, Lester F. ; Wasserbauer, John ; Faili, Firooz ; Babić, Dubravko ; Francis, Daniel ; Ejeckam, Felix
2007.
IEEE electron device letters

Multi-wavelength grating-outcoupled surface emitting laser system

Evans, Gary A. ; Babic, Dubravko
2006.

AlGaN/GaN HEMT on Diamond Technology Demonstration

Jessen, G. H. ; Gillespie, J. K. ; Via, G. D. ; Crespo, A. ; Langley, D. ; Wasserbauer, J. ; Faili, F. ; Francis, D. ; Babić, D. ; Ejeckam, F. ; Guo, S. ; Eliashevich, I.
2006.
IEEE Compound Semiconductor Integrated Circuits Symposium

Practical measurement of timing jitter contributed by a clock-and-data recovery circuit

Pease, C. ; Babić, Dubravko I.
2005.
IEEE Transactions on Circuits and Systems I : Regular Papers

Embedded electromagnetic interference shield

Rathnam, Lakshman ; Kraus, Herbert ; Babic, Dubravko
2004.

Comparison of EDC-enabled link performance using measured waveforms from 2.5G and 10G lasers

Swenson, N. ; Voois, P. ; Babić, D.
2004.
IEEE P802.3aq 10GBASE-LRM Task Force, September 2004 meetin

Low-speed lasers, nonlinearities, and EDC

Swenson, N. ; Voois, P. ; Babić, D.
2004.
IEEE P802.3aq 10GBASE-LRM Task Force, May 2004 interim meeting

Flip-chip assembly for optically-pumped lasers

Yuen, Albert T. ; Tan, Michael R. T. ; Babic, Dubravko Ivan ; Corzine, Scott William
2003.

System for optically pumping a long wavelength laser using a short wavelength laser

Tan, Michael R. T. ; Corzine, Scott W. ; Babic, Dubravko I. ; Yuen, Albert T.
2003.

Relationship between root-mean-square and peak-to- peak jitter measurements

Babić, Dubravko I. ; Plombon, J.
2003.
Microwave and optical technology letters

Integrated coupling modules for high-bandwidth fiber-optic systems

Mertz, Pierre H. ; Babic, Dubravko
2002.

System and method for the monolithic integration of a light emitting device and a photodetector using a native oxide semiconductor layer

Aronson, Lewis B. ; Tan, Michael R. T. ; Corzine, Scott W. ; Babic, Dubravko I.
2002.

TFI-5 based on 16-lane parallel optics

Babić, D. ; Nalesnik, R. ; Yuen, A.
2002.
Optical Internetworking Forum

Technical Specification for TFI-5 compliant optical components

Babić, D.
2002.
Optical Internetworking Forum

TFI-5 Jitter Specification

Babić, D.
2002.
Optical Internetworking Forum

Allowing IEC Class 1M Laser Safety certification for parallel optic PMD in 10GFC

Babić, D.
2002.
T11 10GFC Ad Hoc meeting & Joint T11.2 and T11.3

Active cables for FC-PI-2

Babić, D.
2002.
T11.2 FC-PI-2 Ad Hoc meeting & Copper WG

Surface emitting laser using two wafer bonded mirrors

Carey, Kent W. ; Yang, Long ; Bowers, John E. ; Babic, Dubravko I. ; Dudley, James J.
2001.

Monolithic multiple wavelength VCSEL array

Lemoff, Brian E. ; Babic, Dubravko ; Schneider, Richard P.
2001.

Long-Wavelength VCSEL using buried bragg reflectors

Tan, Michael R. T. ; Babic, Dubravko I. ; Corzine, Scott W. ; Ranganath, Tirmula R. ; Wang, Shih-Yuan ; Bi, Wayne
2001.

System and method for the monolithic integration of a light emitting device and a heterojunction phototransistor for low bias voltage operation

Babic, Dubravko I.
2001.

System and method for the monolithic integration of a light emitting device and a photodetector for low bias voltage operation

Babic, Dubravko I. ; Corzine ; Scott W.
2001.

Buried layer in a semiconductor formed by bonding

Babic, Dubravko Ivan ; Bowers, John E.
2001.

Polarization-controlled VCSELs using externally applied uniaxial stress

Corzine, Scott W. ; Tan, Michael R. T. ; Yuen, Albert T. ; Babic, Dubravko I.
2001.

Four-lane 850nm optical interface

Kim, S. ; Babić, D.
2001.
T11.2 10GFC Ad Hoc meeting & Optical WG

Laser safety for parallel-optic products

Babić, D.
2001.
T11.2 10GFC Ad Hoc meeting & Optical WG

Four-lane power budgeting models from Alvesta

Babić, D.
2001.
T11.2 10GFC Ad Hoc meeting & 4-lane power budgeting

Laser safety limits for single and four-lane short-wave optics

Babić, D.
2001.
T11.2 10GFC Ad Hoc meeting & 4 lane optical power budgeting

Comment on FC-PI-2 rev12 Annex F.4: Relative Intensity Noise RIN(OMA) measuring procedure

Babić, D.
2001.
T11.2 Plenary Meeting

10 Gb/s very short reach (VSR) interconnect solutions

Yuen, A. ; Babic, D. I.
2001.
2001 Photonics West Conference

Interface of directly bonded GaAs and InP

Jin-Phillipp, N.Y. ; Sigle, W. ; Black, A. ; Babić, Dubravko ; Bowers, J.E. ; Hu, E.L. ; Rühle, M.
2001.
Journal of applied physics

4 x 2.5Gb/s multichannel optical transceiver

Babić, D.
2000.
Optical Internetworking Forum

Analysis of polarization pinning in vertical- cavity surface-emitting lasers using etched trenches

Sargent, L. J. ; Rorison, J. M. ; Kuball, M. ; Penty, R. V. ; White, I. H. ; Heard, P. J. ; Tan, M. R. ; Corzine, S. W. ; Babić, D. I. ; Wang, Shih-Yuan
1999.
SPIE

Growth of 1.3 μm InGaAsN laser material on GaAs by molecular beam epitaxy

Mars, D.E. ; Babić, Dubravko I. ; Kaneko, Y. ; Chang, Ying-Lan ; Subramanya, Sudhir ; Kruger, Joachim ; Perlin, Piotr ; Weber, Eicke R.
1999.
Journal of Vacuum Science & Technology B : Microelectronics and Nanometer Structures

The interior design of the new laser and New muxed laser arrays, sidebars in The ideal light source for datanets, by by K.S. Giboney, L.B. Aronson, B.E. Lemoff

Babić, Dubravko
1998.
Ieee spectrum

Growth of 1.3-um InGaAsN laser material on GaAs by MBE

Mars, D. E. , Reed, D. , Kanemura, M. ; Kaneko, Y. , Babić, D.
1998.
HP Conference on Optoelectronic and RF Technology (CORT)

Methods for controlling the polarization in VCSELs

Corzine, S. , Tan, M. ; Schneider, R. ; Babić, D. ; Martinez, L. ; Gamino, H. , Steward, S.
1998.
HP Conference on Optoelectronic and RF Technology (CORT)

Near-ohmic p-InP/p-GaAs fused junctions

Babić, D. ; Robbins, V. , Mars, D. , Houng, D. ; Kanemura, M. , Reed, D. ; Bi, W. ; Chang, Y- L. ; Lefforge, D. ; Gamino, H. ; Ratcliff, J. ; Tan, I-H. ; Kish, F. ; Seymour, N.
1998.
HP Conference on Optoelectronic and RF Technology (CORT)

Monolithic integration of a vertical-cavity laser and a photo-detector for low bias-voltage operation

Babić, D. ; Tan, M. ; Corzine, S. ; Gamino, H. ; Chen, K-L.
1998.
HP Conference on Optoelectronic and RF Technology (CORT)

Fusion bonding for vertical-cavity surface- emitting lasers

Babić, D. I.
1998.
Optical Fiber Communication Conference and Exhibit, 1998. OFC '98., Technical Digest

Growth of 1.3 um InGaAsN laser material on GaAs by MBE

Mars, D. E. ; Babić, D. I. ; Kaneko, Y. ; Chang, Y-L. ; Subramanya, S. ; Kruger, J. ; Perlin, V ; Weber, E. R.
1998.
17th North American Conference on Molecular Beam Epitaxy

Continuously-Tunable, Photo-Pumped 1.3-m Fiber Fabry-Perot Surface-Emitting Lasers

Hsu, K. ; Miller, C. M. ; Babić, D. I. ; Houng, D. ; Taylor, A.
1998.
European Conference on Optical Communication

Mode selectivity study of vertical-cavity surface-emitting lasers

Liu, G. ; Seurin, J.-F. ; Chuang, S.L. ; Babić, Dubravko I. ; Corzine, S.W. ; Tan, M. ; Barnes, D.C. ; Tiouririne, T.N.
1998.
Applied physics letters

A finite-difference time-domain electromagnetic field solver for vertical-cavity lasers

Seurin, Jean-Francois P. ; Liu, Guobin ; Barnes, Daniel C. ; Babić, Dubravko I. ; Corzine, Scott W. ; Tan, Michael R. T.
1998.
Microwave and optical technology letters

Minimum temperature sensitivity of 1.55 μm vertical-cavity lasers at −30 nm gain offset

Piprek, J. ; Akulova, Y.A. ; Babić, Dubravko I. ; Coldren, L.A. ; Bowers, J.E.
1998.
Applied physics letters

64°C continuous-wave operation of 1.5-μm vertical-cavity laser

Margalit, N.M. ; Piprek, J. ; Yhang, S. ; Babić, Dubravko I. ; Streubel, K. ; Mirin, R.P. ; Wesselmann, J.R. ; Bowers, J.E.
1998.
Ieee journal of selected topics in quantum electronics

Continuously tunable photopumped 1.3-μm fiber Fabry-Perot surface-emitting lasers

Hsu, K. ; Miller, C.M. ; Babić, Dubravko I. ; Houng, D. ; Taylor, A.
1998.
Ieee photonics technology letters

Capacitance-voltage and SIMS characterization of GaAs/InP fused junctions for 1300 nm vertical-cavity laser application

Babić, D. I. ; Chang, Y-L. ; Lefforge, D. ; Houng, D. ; Robbins, V. ; Ratcliff, J. ; Martinez, L. ; Tan, M. ; Carey, K. ; Tan, I-H ; Kish, F.
1997.
HP Conference on Optoelectronic and RF Technology (CORT)

Structural and electrical characterization of the GaAs/InP wafer-fused interface

Black, K. A. ; Abraham, P. ; Chiu, Y-J. ; Bowers, J. E. ; Hu, E. L. ; Chang, Y-L. ; Babić, D. I.
1997.
MRS 1997 Spring Meeting, Symposium C: Processing of Compound Semiconductors for High Speed Device

Wafer Fusion for Surface-Normal Optoelectronic Device Applications

Babić, Dubravko I. ; Bowers, John. E. ; Hu, Evelyn L. ; Yang, Long ; Carey, Kent
1997.
International journal of high speed electronics and systems

Wafer fusion : materials issues and device results

Black, A. ; Hawkins, A.R. ; Margalit, N.M. ; Babić, Dubravko I. ; Holmes, A.L. ; Chang, Y.-L. ; Abraham, P. ; Bowers, J.E. ; Hu, E.L.
1997.
IEEE Journal of selected topics in quantum electronics

Scattering losses from dielectric apertures in vertical-cavity lasers

Hegblom, E.R. ; Babić, D.I. ; Thibeault, B.J. ; Coldren, L.A.
1997.
IEEE Journal of Selected Topics in Quantum Electronics

Simulation and analysis of 1.55 μm double-fused vertical-cavity lasers

Piprek, Joachim ; Babić, Dubravko I. ; Bowers, John E.
1997.
Journal of applied physics

Fabrication of high-aspect-ratio InP-based vertical-cavity laser mirrors using CH4/H2/O2/Ar reactive ion etching

Schramm, Jeff E. ; Babić, Dubravko I. ; Hu, E.L. ; Bowers, J.E. ; Merz, J.L.
1997.
Journal of vacuum science & technology. B, Microelectronics and nanometer structures processing, measurement and phenomena

Design and analysis of double-fused 1.55-μm vertical-cavity lasers

Babić, Dubravko I. ; Piprek, J. ; Streubel, K. ; Mirin, R.P. ; Margalit, N.M. ; Mars, D.E. ; Bowers, J.E. ; Hu, E.L.
1997.
IEEE Journal of Quantum Electronics

Isotype heterojunctions with flat valence or conduction band

Babić, Dubravko I. ; Dohler, G.H. ; Bowers, J.E. ; Hu, E.L.
1997.
IEEE Journal of Quantum Electronics

Progress in long-wavelength vertical-cavity lasers

Babić, D. I. ; Yang, L. ; Carey, K. W. ; Mars, D. E. ; Robbins, V. M. ; Storch, D. R. ; Taylor, A. J. ; Ring, William S.
1996.
HP Conference on Optoelectronic and RF Technology (CORT)

Room-temperature performance of double-fused 1.54 um vertical-cavity lasers

Babić, D. I. ; Streubel, K. ; Mirin, R. P. ; Piprek, J. , Margalit, N. M. ; Bowers, J. E. ; Hu, E. L. ; Mars, D. E. ; Yang, L. ; Carey, K.
1996.
8th International Conference on Indium Phosphide and Related Materials

Long-wavelength vertical-cavity lasers with GaAs mirrors

Babić, D. I. ; Jayaraman, V. ; Margalit, N. M. ; Mirin, R. P. ; Heimbuch, M. E. ; DenBaars, S. ; Bowers, J. E. ; Hu, E. L.
1996.
1996 Materials Research Society Spring Meeting

Scattering parameters for lossless multisection quarter-wave transformers

Babić, D. I.
1996.
Symposium on Microelectronics, Electronics, and Electronic Technologies (MEET)

Current VCSEL research in HP Laboratories

Babić, D. I. ; Schneider, Jr., R. P. ; Hahn, K. H. ; Tan, V ; Corzine, S. W. ; Wang, V ; Yang, L. ; Carey, K. W. ; Chang, V ; Leforge, D. ; Rosner, J. ; Mars, D. E. ; Robbins, V. ; Hummel, V ; Taylor, A. ; Ash, R.
1996.
1996 Conference on Lasers and Electro-Optics

Loss analysis of 1.55 um vertical-cavity lasers

Piprek, J. ; Babić, D. I. ; Margalit, N. M. ; Bowers, J. E.
1996.
15th IEEE International Semiconductor Laser Conference

Submilliamp long-wavelength vertical-cavity lasers

Margalit, N. M. ; Babić, D. I. ; Streubel, K. ; Mirin, R. P. ; Bowers, V ; Hu, E. L.
1996.
15th IEEE International Semiconductor Laser Conference

Multimore Fibre Transmission Using Room- Temperature Double-Fused 1.54 um Vertical- Cavity Lasers

Blixt, P. ; Babić, D. I. ; Margalit, N. M. ; Streubel, K. ; Bowers, J. E.
1996.
22nd European Conference on Optical Communications

Loss limitations in dielectrically apertured vertical-cavity lasers

Hegblom, E. ; Babić, D. I. ; Thibeault, B. J. ; Coldren, L. A.
1996.
1996 Conference on Lasers and Electro-Optics

Cleaved facets in GaN by wafer fusion of GaN to InP

Sink, R. K. ; Keller, S. ; Keller, B. P. ; Babić, D. I. ; Holmes, A. L. ; Kapolnek, D. ; Wu, X. H. ; Speck, J. S. ; DenBaars, S. P. ; Bowers, J. E.
1996.
1996 Materials Research Society Spring Meeting

Laterally oxidized long wavelength CW vertical- cavity lasers

Margalit, N. M. ; Babić, D. I. ; Streubel, K. ; Mirin, R. P. ; Zhang, S. ; Mars, D. E. ; Bowers, J. E. ; Hu, E. L.
1996.
1996 Conference on Optical Fiber Communications

1 Gbit/s, single-mode operation of vertical-cavity lasers emitting at 1.54 um

Blixt, P. ; Babić, D. I. ; Margalit, N. M. ; Reynolds, T. E. ; Bowers, John E.
1996.
1996 Conference on Optical Fiber Communications

Modeling and optimization of 1.54 m double-fused VCSELs for cw operation above room temperature

Piprek, J. ; Babić, D. I. ; Bowers, J. E.
1996.
SPIE 1996, Physics and Simulation of Optoelectronic Devices IV

Long-wavelength vertical-cavity surface-emitting laser diodes

Babic, D.I. ; Jayaraman, V. ; Margalit, N. M. ; Streubel, K. ; Heimbuch, M.E. ; Mirin, R.P. ; Thibeault, B.J. ; Bowers, J.E. ; Hu, E.L. ; Denbaars, S.
1996.
1996 Materials Research Society Symposium

Multimode fiber transmission using room temperature double-fused 1.54 μm vertical-cavity lasers

Blixt, P. ; Babić, Dubravko I. ; Margalit, N.M. ; Streubel, K. ; Bowers, J.E.
1996.
IEEE Photonics Technology Letters

Laterally oxidized long wavelength cw vertical‐cavity lasers

Margalit, Near M. ; Babić, Dubravko I. ; Streubel, Klaus ; Mirin, Richard P. ; Mars, Dan E. ; Bowers, John E. ; Hu, Evelyn L.
1996.
Applied physics letters

Numerical analysis of 1.54 μm double‐fused vertical‐cavity lasers operating continuous‐wave up to 35 °C

Piprek, Joachim ; Babić, Dubravko I. ; Bowers, John E.
1996.
Applied physics letters

1-Gbit/s, single-mode operation of vertical cavity lasers emitting at 1.54 um

Blixt, P. ; Babić, Dubravko .I. ; Margalit, N.M. ; Reynolds, T.E. ; Bowers, J.E.
1996.
Ieee photonics technology letters

Fabrication and characteristics of double-fused vertical-cavity lasers

Babić, Dubravko I. ; Streubel, K. ; Mirin, R.P. ; Margalit, N.M. ; Peters, M.G. ; Bowers, J.E. ; Hu, E.L.
1996.
Optical and Quantum Electronics

Cleaved GaN facets by wafer fusion of GaN to InP

Sink, R.K. ; Keller, S. ; Keller, B. . ; Babić, Dubravko I. ; Holmes, A.L. ; Kapolnek, D. ; DenBaars, S.P. ; Bowers, J.E. ; Wu, X.H. ; Speck, J.S.
1996.
Applied Physics Letters

Silicon heterointerface photodetector

Hawkins, Aaron R. ; Reynolds, Thomas E. ; England, Derek R. ; Babić, Dubravko I. ; Mondry, Mark J. ; Streubel, Klaus ; Bowers, John E.
1996.
Applied Physics Letters

Estimation of scattering losses in dielectrically apertured vertical cavity lasers

Hegblom, E. R. ; Babić, Dubravko I. ; Thibeault, B.J. ; Coldren, L.A.
1996.
Applied physics letters

Characterisation of metal mirrors on GaAs

Babić, Dubravko I. ; Mirin, R.P. ; Hu, E.L. ; Bowers, J.E.
1996.
Electronics letters

Submilliamp long wavelength vertical cavity lasers

Margalit, N.M. ; Babić, Dubravko I. ; Streubel, K. ; Mirin, R.P. ; Naone, R.L. ; Bowers, J.E. ; Hu, E.L.
1996.
Electronics letters

Double fused long-wavelength vertical cavity lasers

Babić, Dubravko
1995.

Long-wavelength vertical-cavity lasers

Babić, D. I.
1995.
3-day short course, Optoelectronics Department, IBM Research Division, Zürich Research Laboratory

Wafer fusion for optoelectronic applications

Babić, D. I. ; Tan, I-H. ; Mirin, R.P. ; Bowers, J.E. ; Hu, E.L.
1995.
1995 Conference on Lasers and Electro-Optics

Long wavelength vertical cavity surface emitting lasers

Streubel, K. ; Rapp, S. ; André, J. ; Lourdudoss, S. ; Babić, D.
1995.
OPTIC 95

Silicon hetero-interface photodetector

Hawkins, A. ; Reynolds, T. E. ; England, D. ; Babić, D. I. ; Mondry, M. J. ; Bowers, J. E.
1995.
1995 IEEE LEOS Annual Meeting

Room-temperature continuous-wave operation of 1.54 µm vertical-cavity lasers

Babić, D. I. ; Streubel, K. ; Mirin, R.P. ; Margalit, N. M. ; Bowers, J.E. ; Hu, E.L. ; Mars, D. E. ; Yang, L. ; Carey, K.
1995.
10th International Conference on Integrated Optics and Optical Fibre Communications (IOOC'95)

Transverse-mode and polarization characteristics of double-fused 1.52 µm vertical-cavity lasers

Babić, Dubravko I. ; Dudley, James J. ; Streubel, Klaus ; Mirin, Richard P. ; Margalit, Near M. ; Bowers, John E. ; Hu, Evelyn E.
1995.
ndium Phosphide and Related Materials 1995 Conference

Transverse-mode and polarisation characteristics of double-fused 1.52 um vertical-cavity lasers

Babić, Dubravko I. ; Dudley, J.J. ; Streubel, K. ; Mirin, R.P. ; Margalit, N.M. ; Bowers, J.E. ; Hu, E.L.
1995.
Electronics letters

Spontaneous emission in microcavities with distributed mirrors

Ram, R.J. ; Babić, Dubravko I. ; York, Y.A. ; Bowers, J.E.
1995.
IEEE journal of quantum electronics

Double‐fused 1.52‐μm vertical‐cavity lasers

Babić, Dubravko I. ; Dudley, James J. ; Streubel, Klaus ; Mirin, Richard P. ; Bowers, John E. ; Hu, Evelyn L.
1995.
Applied physics letters

Room-temperature continuous-wave operation of 1.54 µm vertical-cavity lasers

Babić, Dubravko I. ; Streubel, K. ; Mirin, R.P. ; Margalit, N.M. ; Bowers, J.E. ; Hu, E.L. ; Mars, D.E. ; Yang, Long ; Carey, K.
1995.
IEEE Photonics Technology Letters

Long-wavelength vertical-cavity lasers

Babić, D. I. ; Dudley, J.J. ; Mirin, R.P. ; Bowers, J.E. ; Hu, E.L.
1994.
1994 International Electron Devices Meeting

Long-wavelength vertical-cavity lasers

Bowers, J.E. ; Babić, D. I. ; Dudley, J.J. ; Mirin, R. P. ; Ram, R. J. ; Hu, E.L.
1994.
Fifth Optoelectronics Conference

Long wavelength surface emitting lasers on GaAs substrates

Dudley, J. J. ; Babić, D. I. ; Mirin, R. P. ; Ram, R. J. ; Yang, L. ; Bowers, J. E. ; Hu, E. L.
1994.
Engineering Foundation Third Conference on High Speed Optoelectronic Devices for Communications and Interconnects

Double-fused 1.52-µm vertical cavity lasers

Babić, D.I. ; Dudley, J.J. ; Streubel, K. ; Mirin, R.P. ; Margalit, N. M. ; Hu, E.L. ; Bowers, J.E.
1994.
IEEE Lases and Electro-Optics Annual Meeting

Spontaneous Emission in Microcavities with Distributed Mirrors

Ram, R.J. ; Babić, D. I. ; York, R.A. ; Bowers, J.E.
1994.
IEEE Lasers and Electro-Optics Annual Meeting

Limitations to Controlling Spontaneous Emission in Microcavities with Distributed Mirrors

Ram, R. J. ; Babić, D. I. ; York, R. A. ; Bowers, J. E.
1994.
14th International Semiconductor Laser Conference

Anisotropy Control in the Reactive Ion Etching of InP Using Oxygen in Methane/Hydrogen/Argon

Schramm, J. E. ; Babić, D. I. ; Hu, E. L. ; Bowers, J.E. ; Merz, J. L.
1994.
6th International Conference on InP and Related Materials

Wafer bonding of InP and GaAs: Interface characterization and device applications

Yang, L. ; Carey, K. ; Ludowise, M. ; Perez, W. ; Mars, D. E. ; Fouquet, J. ; Nauka, K. ; Rosner, S. J. ; Ram, R. J. ; Dudley, J. J. ; Babić, D. I. ; Bowers, J. E.
1994.
6th International Conference on InP and Related Materials

Low-Temperature Pd Direct Bonding and Electrical Transport Across InP-Pd-GaAs Interfaces

Tan, I-H. ; Reaves, C. ; Dudley, J. J. ; Holmes Jr., A. L. ; Babić, D. I. ; Hu, E. L. ; Bowers, J. E. ; DenBaars, S.
1994.
6th International Conference on InP and Related Materials

Temperature and Transverse Mode Characteristics of InGaAsP (1.3 µm) Vertical Cavity Lasers on GaAs substrates

Dudley, J. J. ; Babić, D. I. ; Mirin, R. P. ; Yang, L. ; Miller, B. I. ; Hu, E. L. ; Bowers, J. E.
1994.
6th International Conference on InP and Related Materials

Optically pumped all-epitaxial wafer-fused 1.52-µm vertical cavity lasers

Babić, D. I. ; Dudley, J. J. ; Streubel, K. ; Mirin, R. P. ; Hu, E. L. ; Bowers, J. E.
1994.
6th International Conference on InP and Related Materials

Wafer fused, Low Threshold, Long Wavelength Vertical Cavity Lasers on GaAs substrates

Dudley, J. J. ; Babić, D. I. ; Mirin, R. P. ; Yang, L. ; Miller, B. I. ; Ram, R. J. ; Reynolds, T. E. ; Hu, E. L. ; Bowers, J. E.
1994.
AFCEA Fiber Optics and Photonic Conference

High quantum efficiency and narrow absorption bandwidth of the wafer-fused resonant In0.53Ga0.47As photodetectors

Tan, I-Hising ; Dudley, J.J. ; Babić, Dubravko I. ; Cohen, D.A. ; Young, B.D. ; Hu, E.L. ; Bowers, J.E. ; Miller, B.I. ; Koren, U. ; Young, M.G.
1994.
IEEE Photonics Technology Letters

Optically pumped all-epitaxial wafer-fused 1.52 µm vertical-cavity lasers

Babić, Dubravko I. ; Hu, E.L. ; Streubel, K. ; Bowers, J.E. ; Mirin, R.P. ; Dudley, J.J.
1994.
Electronics Letters

Low threshold, wafer fused long wavelength vertical cavity lasers

Dudley, J.J. ; Babić, Dubravko I. ; Mirin, R. ; Yang, L. ; Miller, B. I. ; Ram, R.J. ; Reynolds, T. ; Hu, E.L. ; Bowers, J.E.
1994.
Applied Physics Letters

Scaling laws for gain‐guided vertical cavity lasers with distributed Bragg reflectors

Babić, Dubravko I. ; Ram, Rajeev J. ; Bowers, John E. ; Tan, Michael ; Yang, Long
1994.
Applied Physics Letters

InGaAsP Vertical Cavity Lasers

Dudley, J. J. ; Babić, D. I. ; Wada, H. ; Shimizu, M. ; Mirin, R. P. ; Reynolds, T. E. ; Bowers, J. E. ; Hu, E. L.
1993.
SPIE OE/LASE 1993

Low Threshold, Electrically Injected InGaAsP (1.3 µm) Vertical Cavity Lasers on GaAs substrates

Dudley, J.J. ; Babic, D.I. ; Mirin, R. ; Yang, L. ; Miller, B.I. ; Ram, R.J. ; Reynolds, T. ; Hu, E.L. ; Bowers, J.E.
1993.
IEEE 51st Device Research Conference

Conditions for Continuous Wave Operation of 1.3 µm InGaAsP Vertical Cavity Lasers

Shimizu, M. ; Dudley, J. J. ; Babić, D. I. ; Jiang, W. B. ; Bowers, J. E.
1993.
Optical Fiber Communication Conf./Int. Conf. on Integrated Optics and Optical Fiber Communication (OFC/IOOC)

Transverse modes in cavities with distributed Bragg reflectors

Babic, D. I. ; Ram, R. J. ; Bowers, J. E. ; Tan, M. ; Yang, L.
1993.
1993 Optical Society of America Annual Meeting

Classical analysis of microcavity lasers

Ram, R. J. ; York, R. A. ; Babic, D. I. ; Bowers, J.E.
1993.
1993 Optical Society of America Annual Meeting

Modal Reflectivity of Quarter-Wave Mirrors in Vertical Cavity Lasers

Babic, D. I. ; Chung, Y. ; Dagli, N. ; Bowers, J. E.
1993.
CLEO'93

Wafer fused long wavelength vertical cavity lasers

Dudley, J. J. ; Babic, D. I. ; Yang, L. ; Mirin, R. P. ; Miller, B. I. ; Ram, R. J.
1993.
IEEE Lasers and Electro-Optics Society Annual Meeting

Vertical Cavity Laser High Speed Dynamics and Modeling

Bowers, J. E. ; Babić, D. I. ; Wang, G. ; Tauber, D. ; Jiang, W. ; Nagarajan, R. L.
1993.
Integrated Photonic Research Conference 1993

Reactive ion etcher self‐bias voltage regulator

Schramm, Jeff E. ; Babić, Dubravko I. ; Hu, Evelyn L. ; Merz, James L.
1993.
Journal of vacuum science & technology. A

Low threshold, electrically injected InGaAsP (1.3 um) vertical cavity lasers on GaAs substrates

Dudley, J.J. ; Babić, Dubravko I. ; Mirin, R. ; Yang, L. ; Miller, B.I. ; Ram, R.J. ; Reynolds, T. ; Hu, E.L. ; Bowers, J.E.
1993.
IEEE Transactions on electron devices

Effect of layer thickness variations on propagation delay and penetration depth of a quarter-wave distributed Bragg reflector

Law, K.-K. ; Babić, Dubravko I.
1993.
IEEE Photonics Technology Letters

Thermal resistance of 1.3μm InGaAsP vertical cavity lasers

Shimizu, M. ; Babić, Dubravko I. ; Dudley, J.J. ; Jiang, W.B. ; Bowers, J.E.
1993.
Microwave and optical technology letters

Modal reflection of quarter-wave mirrors in vertical-cavity lasers

Babić, Dubravko I. ; Chung, Youngchul ; Dagli, Nadir ; Bowers, John .E.
1993.
IEEE journal of quantum electronics

In-Situ Monitoring of Etching and Deposition Processes for Optoelectronic Device Fabrication

Hu, E. L. ; Babić, D. I. ; Skidmore, J. A. ; Strand, T. ; Schramm, J.
1992.
IEEE Lasers and Electro-Optics Society 1992 Annual Meeting

High Temperature Long Wavelength Vertical Cavity Lasers

Babić, D. I. ; Dudley, J.J. ; Shimizu, M.
1992.
IEEE Lasers and Electro-Optics Society 1992 Annual Meeting

Thermal design for CW of 1.3µm GaInAsP surface- emitting lasers

Shimizu, M. ; Dudley, J.J ; Babić, D. I. ; Bowers, J.E. ; Hu, E.L.
1992.
Optical Society of America 1992 Annual Meeting

InGaAsP (1.3um) vertical-cavity lasers using GaAs/AlAs mirrors

Dudley, J.J. ; Ishikawa, M. ; Miller, B.I. ; Babić, D. I. ; Mirin, R.P. ; Jiang, W.B. ; Shimizu, M. ; Bowers, J.E. ; Hu, E.L.
1992.
Optical Society of America 1992 Annual Meeting

Reactive Sputtering of Si/SiNx Quarter-wave Dielectric Mirrors using in-situ Laser Reflectometry

Babic, D. I. ; Reynolds, T. E. ; Hu, E. L. ; Bowers, J. E.
1992.
SPIE Technical Symposium on Microelectronic Processing Integration

In situ characterization of sputtered thin film optical coatings using a normal incidence laser reflectometer

Babić, Dubravko I. ; Reynolds, Thomas E. ; Hu, Evelyn L. ; Bowers, John E.
1992.
Journal of vacuum science & technology. A

144 °C operation of 1.3 μm InGaAsP vertical cavity lasers on GaAs substrates

Dudley, J.J. ; Ishikawa, M. ; Babić, Dubravko I. ; Miller, B.I. ; Mirin, R. ; Jiang, W.B. ; Bowers, J. E. ; Hu, E.L.
1992.
Applied physics letters

Epitaxial AlGaAs/AlAs distributed Bragg reflectors for green (550 nm) lightwaves

Young, D.B. ; Babić, Dubravko I. ; Denbaars, S.P. ; Coldren, L.A.
1992.
Electronics letters

Effects of nonuniform current injection in GaInAsP/InP vertical‐ cavity lasers

Wada, Hiroshi ; Babić, Dubravko I. ; Ishikawa, Masayuki ; Bowers, John E.
1992.
Applied physics letters

Refractive indexes of (Al, Ga, In)As epilayers on InP for optoelectronic applications

Mondry, M.J. ; Babic, Dubravko I. ; Bowers, J.E. ; Coldren, L.A.
1992.
IEEE Photonics Technology Letters

Analytic Expressions for the Reflection Delay, Penetration Depth and Absorptance of Quarter- Wave Dielectric Mirrors

Babić, Dubravko ; Corzine, Scott
1992.
IEEE journal of quantum electronics

Refractive Index of AlGaInAs on InP for Optoelectronic Applications

Babic, D.I. ; Mondry, M.J. ; Bowers, J.E. ; Coldren, L.A.
1991.
IEEE Lasers and Electro-Optics Society 1991 Annual Meeting Digest

Low-threshold, high-temperature pulsed operation of InGaAsP/InP vertical cavity surface emitting lasers

Wada, H. ; Babić, Dubravko I. ; Crawford, D.L. ; Reynolds, T.E. ; Dudley, J.J. ; Bowers, J.E. ; Hu, E.L. ; Merz, J.L. ; Miller, B.I. ; Koren, U. ; Young, M.G.
1991.
Annual Meeting Digest IEEE Lasers and Electro-Optics Society 1991

Low-threshold, high-temperature pulsed operation of InGaAsP/InP vertical cavity surface emitting lasers

Wada, H. ; Babić, Dubravko I. ; Crawford, D.L. ; Reynolds, T.E. ; Dudley, J.J. ; Bowers, J.E. ; Hu, E.L. ; Merz, J.L. ; Miller, B.I. ; Koren, U. ; Young, M.G.
1991.
Annual Device Research Conference (IEEE) (49 ; 1991)

Sputter deposition of precision Si/Si3N4 Bragg reflectors using multitasking interactive processing control

Babić, Dubravko I. ; Dudley, J.J. ; Shirazi, M. ; Hu, E.L. ; Bowers, J.E.
1991.
Journal of Vacuum Science & Technology A: Vacuum, Surfaces, and Films

High-temperature pulsed operation of InGaAsP/InP surface emitting lasers

Wada, H. ; Babić, Dubravko I. ; Crawford, D.L. ; Dudley, J.J. ; Bowers, J.E. ; Hu, E.L. ; Merz, J.L. ; Miller, B.I. ; Koren, U. ; Young, M.G.
1991.
IEEE Transactions on electron devices

Low-threshold, high-temperature pulsed operation of InGaAsP/InP vertical cavity surface emitting lasers

Wada, H. ; Babić, Dubravko I. ; Crawford, D.L. ; Reynolds, T.E. ; Dudley, J.J. ; Bowers, J.E. ; Hu, E.L. ; Merz, J.L. ; Miller, B.I. ; Koren, U. ; Young, M.G.
1991.
IEEE photonics technology letters

Determination of valence and conduction‐band discontinuities at the (Ga, In) P/GaAs heterojunction by C‐V profiling

Rao, M.A. ; Caine, E.J. ; Kroemer, H. ; Long, S.I. ; Babić, Dubravko I.
1987.
Journal of applied physics

The role of non-uniform dielectric permittivity in the determination of heterojunction band offsets by cv-profiling through isotype heterojunctions

Babić, Dubravko I. ; Kroemer, Herbert
1985.
Solid-state electronics

Characterization of Isotype Heterojunctions by Capacitance-Voltage Carrier Concentration Profiling

Babić, D.
1984.

Features of Lateral Profiled Elements in Bipolar Integrated Technology

Babić, Dubravko
1982.

Monolithic multiple wavelength VCSEL array

Lemoff, Brian E. ; Babic , Dubravko ; Schneider, Richard P.
.

Gallium-nitride-on-diamond wafers and devices, and methods of manufacture

Ejeckam, Felix ; Francis, Daniel ; Diduck, Quentin ; Nasser- Faili, Firooz ; Babic , Dubravko
.

Wavelength tuning of Fabry-Perot lasers in spectrum-sliced optical links

Sprem, Marko ; Babić, Dubravko
.

Buried layer in a semiconductor formed by bonding

Babić, D. I. ; Bowers, J. E.
.

High Intensity Single-Mode VCSELs

Corzine, S. W. ; Babić, D. I. ; Schneider Jr., R. P. ; Tan, M. R. ; Wang, S-Y.
.

Biography

Dubravko Babić was born in Zagreb, Croatia. He received his Dipl. Ing. Degree from University of Zagreb, Faculty of Electrical Engineering and Computing, in 1982, and his M. Sc. and Ph. D. in Electrical and Computer Engineering at University of California, Santa Barbara in 1984 and 1995, respectively.

Between 1982 and 1985 he worked as a graduate student on the measurement of AlGaAs/GaAs heterojunction band-offsets by capacitance-voltage profiling with prof. Herbert Kroemer at UC Santa Barbara. From 1985 to 1989 he worked at Avantek, Inc. (Santa Clara, California) as a Design Engineer, on the development of microwave switching and limiter diodes (10 GHz and 40 GHz), and hyperabrupt varactors for 3 GHz voltage-controlled oscillators.

In 1989, he joined the Ultrafast Optoelectronics Group at UC Santa Barbara, as a graduate student to work with professors John E. Bowers and Evelyn L. Hu on the development of vertical-cavity surface-emitting lasers (VCSELs) where in 1995 he demonstrated the world’s first room-temperature continuous-wave operating long-wavelength (1550 nm) VCSEL. From 1995 to 1999, he was a Member of Technical Staff at Hewlett-Packard Laboratories (Palo Alto, California) working on long-wavelength VCSEL development using wafer bonding technology.

In 1999, he founded Alvésta Corporation, manufacturer of 10Gb/s multichannel fiber-optic modules, where he served as the company's first Chief Executive Officer and then in 2001 as Chief Technical Officer. He managed the company through first product sale and raised $20M in venture capital for its funding (Alvesta was acquired by Emcore Corporation in 2002). Between 2003 and 2008, he assisted Clariphy Communications, Inc, (Irvine, California) developing optical equalization technology, as a member of the company's technical advisory board (Clariphy was acquired by InPhy in 2017), and XLoom Communications, Ltd (Israel) as Vice President US operations managing the development of 20Gbps multichannel optical modules in Tel Aviv, Israel (XLoom was acquired by Mellanox in 2014).

Between 2008 and 2013 he managed the development of RF and millimeter-wave amplifier modules based on GaN-on-diamond technology as Vice President RF Electronics and co-founder of Group4 Labs, Inc. (Fremont, California), where he developed laser machining of GaN-on-diamond wafers, built and operated transistor reliability testing, and in 2009 his team demonstrated the world’s first GaN-on-Diamond X-band power amplifier module (Group4 Labs was acquired by Element Six, Ltd in 2013). After Group4 Labs he co-founded and served as Vice President RF Devices in Eridan Communications, Inc. (Santa Clara, California), a start-up company developing polar modulators based on GaN-technology for wireless communications. In 2012 he joined the faculty of University of Zagreb, Croatia, and in 2017 was elected to Associate Professor.

Since 2003, Prof. Babić has also served as an expert witness in multiple intellectual property litigation cases (in the USA 2003-2012 and in Croatia 2017) and assisted a number of start-up companies with patent writing and intellectual property issues.

Dr. Babić’s research interests include high-speed communications-component technology (semiconductor lasers and detectors, microwave amplifiers and other semiconductor devices) and optics. He has over 140 publications presented at conferences and in peer-reviewed journals, thirty-five US granted patents, and one book chapter. His Web of Science h-index is 27 and Google Scholar h-index is 32.

Teaching duties

University undergraduate

University graduate

Postgraduate doctoral study programme

Personal data

Graduation year:
1982.
mr.sc. graduation year:
1984.
PhD graduation year:
1995.
Employed in this institution since:
2012.

Past employments

University of California, Santa Barbara 1983-1985 Research Assistant

Avantek, Inc., Santa Clara, California 1985-1989 Design Engineer

University of California, Santa Barbara 1989-1995 Research Assistant

Hewlett-Packard, Palo Alto, California 1995-1999 Member of Technical Staff

Alvesta Corporation, Sunnyvale, California 1999-2002 Chief Executive Office / Chief Technical Officer

Etanvie Technologies, Santa Clara, California 2003-2008 Chief Technologist

Group4 Labs, Menlo Park, California 2008-2012 Vice President RF Technology

Eridan Communications, Santa Clara, California 2014-2018 Vice President RF Devices