UCSB Engineering

John Bowers

Professor, ECE; Director, Institute for Energy Efficiency; Deputy Director, American Institute for Manufacturing (AIM) Integrated Photonics; and Fred Kavli Chair of Nanotechnology

Electrical & Computer Engineering

John Bowers


Department of Electrical and Computer Engineering
University of California
Santa Barbara, CA 93106-9560

tel: (805) 893-8447
fax: (805) 893-7990

Personal web site

Hybrid Silicon Laser Wafer

Hybrid Silicon Laser Wafer

Research Description

Solid State: silicon photonics, fiber optic networks, photonic integrated circuits, high speed photonic and electronic devices, femtosecond lasers and physics.

Research Groups


Professor Bowers\' research interests are in energy efficiency and in the development of novel optoelectronic devices for the next generation of optical networks. His research interests include silicon photonics and integrated circuits, optical switching, the design of quantum well structures for high speed light generation and detection, and the design of high speed time division multiplexed systems and devices. Prior to joining UCSB in 1987, Professor Bowers worked at AT&T Bell Laboratories on semiconductor lasers and photodetectors. Professor Bowers is Director of the Institute for Energy Efficiency and a member of the Technology Management Program (TMP).


  • Technology Management Program
  • Institute for Energy Efficiency (IEE)
  • California Nanosystems Institute (CNSI)
  • Silicon Photonics Center
  • Center for Energy Efficient Materials (CEEM)
  • Terabit Optical Ethernet Center (TOEC)


  • 2009 Kavli Chair for Nanotechnology, 2009
  • OSA 2009 Nick Holonyak, Jr., Award, 2009
  • IEEE Transactions on Components and Packaging Technologies Best Paper of 2006 Award, 2007
  • Discover Magazine list of top 100 achievments, 2006
  • PC World Technical Excellence Award for Best Semiconductor Technology, 2006
  • National Academy of Engineering, 2005
  • Fellow of the Optical Society of America, 2002
  • Fellow of the American Physical Society, 1996
  • IEEE Leos William Streifer Award, 1996
  • Board of Governors, IEEE Lasers and Electro-optics Society, 1995
  • Fellow, IEEE, 1994
  • Distinguished Lecturer, IEEE, 1992
  • Presidential Young Investigator, National Science Foundation, 1988

Selected Publications

See complete list of publications
  • Compact and scalable three-dimensional microelectromechanical system optical switches, Journal of Optical Networking, 6(1), 2007, 19-24, V. Kaman, R. J. Helkey, and J. E. Bowers
  • Continuous Wave Electrically Pumped Hybrid Silicon Evanescent Laser, Optics Express, 14, 2006, 9203-9210, A. W. Fang, H. Park, O. Cohen, R. Jones, M. J. Paniccia, and J. E. Bowers, web link
  • Demonstration of electron filtering to increase the Seebeck coefficient in ErAs:InGaAs/InGaAlAs superlattices, Phys. Rev. B, 74, 2006, 205335, J. M. O. Zide, D. Vashaee, Z.X. Bian, G. Zeng, J. E. Bowers, A. Shakouri, A. C. Gossard
  • ErAs:InGaAs/InGaAlAs Superlattice Thin-Film Power Generator Array, Applied Physics Letters, 88, 2006, G. Zeng, J. E. Bowers, J. M. O. Zide and A. C. Gossard, W. Kim, S. Singer, and A. Majumdar, R. Singh, Z. Bian, Y. Zhang, and Ali Shakouri, web link
  • Integrated Gate Matrix Switch for Optical Packet Buffering, Photonics Technology Letters, 18(1), 2006, 103-105, E. F. Burmeister, J.E. Bowers, web link
  • Traveling-wave Electroabsorption Modulator-Based Optical Signal Processing for OTDM and WDM Networks, Journal of Special Topics in Quantum Electronics, 2006, H.-F. Chou, and J. E. Bowers
  • Cascadability of Large Scale 3-D MEMS based Low-Loss Photonic Cross-Connects, IEEE Photonics Technology Letters, 17(4), 2005, 771-773, V. Kaman, X. Zheng, S. Yuan, J. Klingshirn, C. Pusarla, R. J. Helkey, O. Jerphagnon, and J. E. Bowers
  • MEMS-tunable vertical-cavity SOAs, IEEE Journal of Quantum Electronics, 41(3), 2005, 390-407, G. D. Cole, E. S. Bjorlin, Q. Chen, C. Y. Chan, S. Wu, C. S. Wang, N. C. MacDonald, J. E. Bowers
  • Simplified Optoelectronic 3R Regenerator Using Nonlinear Electro-Optical Transformation in an Electroabsorption Modulator, Optics Express, 13(7), 2005, 2742-2746, H. Chou and J. Bowers
  • Measurement of Gain, Group Index, Group Velocity Dispersion, and Linewidth Enhancement Factor of an InGaN Multiple Quantum-Well Laser Diode, IEEE Photonics Technology Letters, 16, 2004, 1256-1258, K.-G. Gan, and J. E. Bowers
  • Simplified Nonplanar Wafer Bonding For Heterogeneous Device Integration, Applied Physics Leters, 85(2), 2004, 170-172, J. Geske, J. E. Bowers, and A. Riley
  • Simultaneous 160-Gb/s Demultiplexing and Clock Recovery by Utilizing Microwave Harmonic Frequencies in a Traveling Wave Electroabsorption Modulator, IEEE Photonics Technology Letters, 16(2), 2004, 608-610, H.-F. Chou, Z. Hu, J. E. Bowers, D. J. Blumnethal, K. Nishimura, R. Inohara, and M. Usami
  • Traveling-Wave Photodetectors with Ultra-High Power-Bandwidth and Gain-Bandwidth Product Performances, Journal of Special Topics in Quantum Electronics, 10(4), 2004, 728-741, D. Lasaosa, J.-W. Shi, D. Pasquariello, K.-G. Gan, M.-C. Tien, H.-H. Chang, S.-W. Chu, C.-K. Sun, Y.-J. Chiu and J. E. Bowers
  • Ultrafast Valence Intersubband Hole Relaxation in InGaN Multiple-Quantum-Well Laser Diodes, Applied Physics Letters, 18(23), 2004, 4675-4677, K.-G. Gan, C.-K. Sun, S. P. DenBaars, and J. E. Bowers
  • Three-Dimensional MEMS Photonic Cross-Connect Switch Design and Performance, Journal of Selected Topics in Quantum Electronics, 9(2), 2003, 571-578, X. Zheng, V. Kaman, S. Yuan, Y. Xu, O. Jerphagnon, A. Keating, R. C. Anderson, H. N. Poulsen, B. Liu, J. R. Sechrist, C. Pusarla, R. Helkey, D. J. Blumenthal, and J. E. Bowers
  • 25-GHz Polarization Insensitive Electroabsorption Modulators with Traveling-Wave Electrodes, IEEE Photonixs Technology Letters, 11(2), 1999, 191-193, S.Z. Zhang, Y.J. Chiu, P. Abraham, and J.E. Bowers
  • 30 Gbit/s operation of a traveling-wave electroabsorption modulator, OFC'99 Technical Digest, 1999, S.Z. Zhang, V. Kaman, P. Abraham, Y.-J. Chiu, A. Keating, and J. E. Bowers
  • 3D Photonic Integrated Circuits for WDM Applications, 1999, A. Shakouri, B. Liu, P. Abraham, and J.E. Bowers
  • A 100 kHz to 50 GHz traveling-wave amplifier IC module, IEEE Microwave and Guided Wave Letters, 9(10), 1999, 416-418, V. Kaman, T. Reynolds, A. Petersen, J.E. Bowers
  • Fused III-V Vertical Coupler Filter with Reduced Polarisation Sensitivity, Electronics Letters, 35(6), 1999, 481-482, B. Liu, A. Shakouri, P. Abraham, Y.J. Chiu, J.E. Bowers
  • Fused InP-GaAs vertical coupler filters, IEEE Photonics Technology Letters, 11(1), 1999, 93-95, B. Liu, A. Shakouri, P. Abraham, Y.J. Chiu, S.Z. Zhang, J.E. Bowers
  • High-Speed Operation of Travelling-Wave Electroabsorption Modulator, Electronics Letters, 35(12), 1999, 993-995, V. Kaman, S.Z. Zhang, A.J. Keating, J.E. Bowers
  • Push-Pull Fused Vertical Coupler Switch, IEEE Photonics Technology Letters, 11(6), 1999, 662-664, B. Liu, A. Shakouri, P. Abraham, J.E. Bowers
  • Vertical Coupler With Separated Inputs and Outputs Fabricated Using Double-Sided Process, Electronis Letters, 35(18), 1999, 1552-1554, B. Liu, A. Shakouri, P. Abraham, and J.E. Bowers
  • WDM Optical IP Tag Switching with Packet-Rate Wavelength Conversion and Subcarrier Multiplexed Addressing, Technical Digest of the Optical Fiber Communication Conference (OFC ’99), 1999, 162-164, D. J. Blumenthal, A. Carena, L. Rau, V. Curri, and S. Humphries