Profile
Prof. Klamkin received the B.S. degree from Cornell University, and the M.S. and Ph.D. degrees from the University of California Santa Barbara (UCSB). From 2008-2011 he was a member of the Technical Staff in the Electro-Optical Materials and Devices Group at MIT Lincoln Laboratory. From 2011-2013 he was an Assistant Professor at the Institute of Communication, Information and Perception Technologies (TeCIP), Scuola Superiore Sant’Anna, Pisa, Italy, where he was the recipient of an Erasmus Mundus Scholarship and a Marie Curie Fellowship, and served as the Director of the Integrated Photonic Technologies Center. From 2013-2015 he was an Assistant Professor of Electrical and Computer Engineering (ECE) and Materials at Boston University. In 2015 Prof. Klamkin joined the ECE Department at UCSB where he leads the Integrated Photonics Laboratory (iPL) and serves as Director of the UCSB Nanotech.
rof. Klamkin serves as a Managing Editor for the journal Nanophotonics, as the Vice Chair for the Microwave Theory and Techniques Society Subcommittee on Microwave Photonics (MTT-3), and as a member of the Journal of Lightwave Technology (JLT) Steering Committee. He also served as Associate Editor for Photonics Technology letters from 2015-2020. He was a General Chair for the 2018 Integrated Photonics Research, Silicon and Nanophotonics Conference (IPR), and served as Program Chair of the same conference in 2017. He serves on the Strategy Committee for the OSA Advanced Photonics Congress. He has served on the Technical Program Committee or Steering Committee for the Microwave Photonics Conference (MWP), the IEEE Photonics Conference (IPC), Photonics in Switching (PS), the Optical Fiber Communication Conference (OFC), the Conference on Lasers and Electro-Optics (CLEO), CLEO Pacific Rim (CLEO-PR), the European Conference on Integrated Optics (ECIO), and IPR. Prof. Klamkin is the recipient of a NASA Early Career Faculty Award, a DARPA Young Faculty Award, A DARPA Director’s Fellowship, and a PIERS Young Scientist Award. He or his group members have received best paper awards at the 2006 Conference on Optoelectronic and Microelectronic Materials and Devices (COMMAD), the 2007 MWP Conference, and both the 2017 and 2019 Asia Communications and Photonics Conference (ACP). Prof. Klamkin has authored or coauthored more than 200 papers, holds several patents, and has delivered more than 100 invited talks or tutorials. He is a Senior Member of both the IEEE and the OSA.
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M. Nickerson, B. Song, J. Brookhyser, G. Erwin, J. Kleinert, and J. Klamkin, "Gallium arsenide optical phased array photonic integrated circuit," Opt. Express, vol. 31, no. 17, pp. 27106–27122, Aug. 2023, doi: 10.1364/oe.492556. Download
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M. Nickerson, P. Verrinder, L. Wang, B. Song, and J. Klamkin, "Broadband Optical Phase Modulator with Low Residual Amplitude Modulation," in Optica Advanced Photonics Congress (2022), paper IW4B.4, Optica Publishing Group, Jul. 2022. doi: 10.1364/iprsn.2022.iw4b.4. Download
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M. Nickerson et al., "Broadband and Low Residual Amplitude Modulation Phase Modulator Arrays for Optical Beamsteering Applications," in Conference on Lasers and Electro-Optics (2022), paper SS1D.4, Optica Publishing Group, May 2022. doi: 10.1364/cleo_si.2022.ss1d.4. Download
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P. A. Verrinder et al., “Gallium Arsenide Photonic Integrated Circuit Platform for Tunable Laser Applications,” IEEE Journal of Selected Topics in Quantum Electronics, vol. 28, no. 1, pp. 1–9, Jan. 2022, doi: 10/gmzfnn. Download
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J. Fridlander et al., “Dual Laser Indium Phosphide Photonic Integrated Circuit for Integrated Path Differential Absorption Lidar,” IEEE Journal of Selected Topics in Quantum Electronics, vol. 28, no. 1, pp. 1–8, Jan. 2022, doi: 10/gmzfnf. Download
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A. Goswami et al., "Confined lateral epitaxial overgrowth of InGaAs: Mechanisms and electronic properties," Journal of Applied Physics, vol. 130, no. 8, p. 085302, Aug. 2021, doi: 10/gmx8k7. Download
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P. A. Verrinder et al., “Gallium Arsenide Photonic Integrated Circuit Platform for 1030 nm Applications.,” in Integrated Photonics Research, Silicon and Nanophotonics (IPR) Conference, Jul. 2021. Download
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B. Song, B. Shi, S. Zhu, S. Š. Brunelli, and J. Klamkin, "High Speed and Low Dark Current InGaAs Photodiodes on CMOS-Compatible Silicon by Heteroepitaxy," in Optical Fiber Communication Conference (OFC) 2021 (2021), paper F2C.4, Optical Society of America, Jun. 2021, p. F2C.4. Accessed: Sep. 22, 2021. [Online]. Available: Download
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B. Shi, B. Song, A. A. Taylor, S. T. S. Brunelli, and J. Klamkin, "Selective area heteroepitaxy of antiphase boundary free GaAs microridges on on-axis (001) Si for silicon photonics," in Conference on Lasers and Electro-Optics (2021), paper SM4B.6, Optical Society of America, May 2021, p. SM4B.6. doi: 10/gm2p7q. Download
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B. Song, B. Shi, S. Š. Brunelli, and J. Klamkin, "InGaAs Photodiode Array on Silicon by Heteroepitaxy," in Conference on Lasers and Electro-Optics (2021), paper STh2H.2, Optical Society of America, May 2021, p. STh2H.2. doi: 10/gmt67c. Download
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B. Shi, B. Song, A. A. Taylor, S. S. Brunelli, and J. Klamkin, "Selective area heteroepitaxy of low dislocation density antiphase boundary free GaAs microridges on flat-bottom (001) Si for integrated silicon photonics," Appl. Phys. Lett., vol. 118, no. 12, p. 122106, Mar. 2021, doi: 10/gm2p92. Download
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B. Shi, S. Pinna, H. Zhao, S. Zhu, and J. Klamkin, "Lasing Characteristics and Reliability of 1550 nm Laser Diodes Monolithically Grown on Silicon," physica status solidi (a), vol. 218, no. 3, p. 2000374, 2021, doi: 10/gm2p99. Download
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A. Goswami et al., "Controlling facets and defects of InP nanostructures in confined epitaxial lateral overgrowth," Phys. Rev. Materials, vol. 4, no. 12, p. 123403, Dec. 2020, doi: 10/gmx8k4. Download
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H. Li et al., "Development of efficient semipolar InGaN long wavelength light-emitting diodes and blue laser diodes grown on high quality semipolar GaN/sapphire template," J. Phys. Photonics, Apr. 2020, doi: 10/ggs6wr. Download
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L. Wang et al., “High Performance 1.3 μm Aluminum-Free Quantum Dot Lasers Grown by MOCVD,” in 2020 Optical Fiber Communications Conference and Exhibition (OFC), Mar. 2020, pp. 1–3. Download
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Y. Tang et al., "InP grating coupler design for vertical coupling of InP and silicon chips," in Integrated Optics: Devices, Materials, and Technologies XXIV, International Society for Optics and Photonics, Feb. 2020, p. 112830H. doi: 10/ggndmb. Download
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B. Shi and J. Klamkin, "Defect engineering for high quality InP epitaxially grown on on-axis (001) Si," Journal of Applied Physics, vol. 127, no. 3, p. 033102, Jan. 2020, doi: 10/gmzd7n. Download
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B. Shi, H. Zhao, L. Wang, B. Song, S. T. S. Brunelli, and J. Klamkin, "Continuous-wave electrically pumped 1550 nm lasers epitaxially grown on on-axis (001) silicon," Optica, OPTICA, vol. 6, no. 12, pp. 1507–1514, Dec. 2019, doi: 10/ggfhbf. Download
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S. T. Šuran Brunelli et al., "Horizontal Heterojunction Integration via Template-Assisted Selective Epitaxy," Crystal Growth & Design, vol. 19, no. 12, pp. 7030–7035, Dec. 2019, doi: 10/ggfhbh. Download
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J. Klamkin, Y. Liu, B. Isaac, J. Kalkavage, E. Adles, and T. Clark, "Integrated Microwave Photonics," in Asia Communications and Photonics Conference (ACPC) 2019 (2019), paper M3E.1, Optical Society of America, Nov. 2019, p. M3E.1. Accessed: Mar. 04, 2020. [Online]. Available:
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H. Zhao et al., "High-Power Indium Phosphide Photonic Integrated Circuits," IEEE Journal of Selected Topics in Quantum Electronics, vol. 25, no. 6, pp. 1–10, Nov. 2019, doi: 10/gf5gn2. Download
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B. J. Isaac, B. Song, S. Pinna, L. A. Coldren, and J. Klamkin, “Indium Phosphide Photonic Integrated Circuit Transceiver for FMCW LiDAR,” IEEE Journal of Selected Topics in Quantum Electronics, vol. 25, no. 6, pp. 1–7, Nov. 2019, doi: 10/gf5gn4. Download
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J. Fridlander et al., "High-speed RZ-DPSK photonic integrated transmitter for space optical communications," in Laser Communication and Propagation through the Atmosphere and Oceans VIII, International Society for Optics and Photonics, Sep. 2019, p. 1113309. doi: 10/gf9crs. Download
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F. Gambini et al., “Ultra-Compact Bragg-Assisted Silicon Photonics Orbital Angular Momentum Emitter,” presented at the OSA Advanced Photonics Congress (AP) 2019 (IPR, Networks, NOMA, SPPCom, PVLED), San Francisco: OSA Technical Digest (Optical Society of America, 2019), Aug. 2019. Download
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S. Pinna, S. Dwivedi, L. A. Coldren, C. Schow, and J. Klamkin, "Power Optimization for Datacenter Optical Transmitters," in OSA Advanced Photonics Congress (AP) 2019 (IPR, Networks, NOMA, SPPCom, PVLED) (2019), paper NeM4D.2, Optical Society of America, Jul. 2019, p. NeM4D.2. doi: 10/ggnhq9. Download
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K. Kojima et al., "Shallow-Angle Grating Coupler for Vertical Emission from Indium Phosphide Devices," in OSA Advanced Photonics Congress (AP) 2019 (IPR, Networks, NOMA, SPPCom, PVLED) (2019), paper IM3A.6, Optical Society of America, Jul. 2019, p. IM3A.6. Accessed: Mar. 06, 2020. [Online]. Available:
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V. Rosborough et al., "Monolithic Integration of Widely-Tunable DBR and DFB Lasers with One-Step Grating Formation," in OSA Advanced Photonics Congress (AP) 2019 (IPR, Networks, NOMA, SPPCom, PVLED) (2019), paper IM2A.5, Optical Society of America, Jul. 2019, p. IM2A.5. Accessed: Mar. 06, 2020. [Online]. Available:
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H. Zhao et al., "Tunable Metasurface based on Silicon Doped Indium Oxide," in OSA Advanced Photonics Congress (AP) 2019 (IPR, Networks, NOMA, SPPCom, PVLED) (2019), paper NoTh3B.6, Optical Society of America, Jul. 2019, p. NoTh3B.6. Accessed: Oct. 03, 2019. [Online]. Available: Download
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J. Klamkin, L. Wang, B. Shi, S. T. Š. Brunelli, H. Zhao, and B. Song, "Laser Integration Technologies for Silicon Photonics," in OSA Advanced Photonics Congress (AP) 2019 (IPR, Networks, NOMA, SPPCom, PVLED) (2019), paper ITh1A.1, Optical Society of America, Jul. 2019, p. ITh1A.1. Accessed: Oct. 03, 2019. [Online]. Available:
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B. Shi, J. Klamkin, Suran Brunelli, Simone, Tayolor, Aidan, and Wang, Lei, "Defect engineering for high quality InP epitaxially grown on on-axis (001) Si by MOCVD," in Organometallic vapor phase epitaxy (OMVPE)-19, Keystone, Colorado, USA, 2019: CTI Meeting Technology, Jul. 2019. Accessed: Oct. 01, 2021. [Online]. Available: Download
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M. Stephen et al., “Integrated Micro-Photonics for Remote Earth Science Sensing (Impress) Lidar,” in IGARSS 2019 - 2019 IEEE International Geoscience and Remote Sensing Symposium, Jul. 2019, pp. 4853–4856. doi: 10/ggfxtv. Download
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J. Klamkin, Y. Liu, B. Isaac, J. Kalkavage, E. Adles, and T. Clark, “Beamforming with Photonic Integrated Circuits for Millimeter Wave Communications and Phased Arrays,” in 2019 PhotonIcs Electromagnetics Research Symposium - Spring (PIERS-Spring), Jun. 2019, pp. 1821–1827. doi: 10/ggnhrj. Download
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H. Zhao, S. Pinna, F. Sang, S. T. Šuran Brunelli, L. A. Coldren, and J. Klamkin, “High Power Indium Phosphide Photonic Integrated Circuit Platform,” in 2019 Device Research Conference (DRC), Jun. 2019, pp. 71–72. doi: 10/gmzd4h. Download
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L. Wang et al., “Toward All MOCVD Grown InAs/GaAs Quantum Dot Laser on CMOS-compatible (001) Silicon,” in 2019 Conference on Lasers and Electro-Optics (CLEO), May 2019, pp. 1–2. doi: 10/gf5gnw. Download
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B. Isaac, Y. Liu, S. Pinna, and J. Klamkin, “Limitations to Power Conversion Efficiency of InP Based Uni-traveling-carrier Photodiodes Due to Space Charge Resistance,” in 2019 Compound Semiconductor Week (CSW), May 2019, pp. 1–2. doi: 10/gf9cv8. Download
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B. Song, Y. Luo, S. Pinna, Y. Liu, and J. Klamkin, “Dilute Waveguide Reflective Semiconductor Optical Amplifier for 3D Hybrid Silicon Photonics Integration,” in 2019 Compound Semiconductor Week (CSW), May 2019, pp. 1–2. doi: 10/gf9cv7. Download
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B. Shi et al., "MOCVD grown low dislocation density GaAs-on-V-groove patterned (001) Si for 1.3 μm quantum dot laser applications," Appl. Phys. Lett., vol. 114, no. 17, p. 172102, Apr. 2019, doi: 10/gf5gn3. Download Download Download
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T. Hirokawa, S. Pinna, J. Klamkin, J. F. Buckwalter, and C. L. Schow, “Energy Efficiency Analysis of Coherent Links for Datacenters,” in 2019 IEEE Optical Interconnects Conference (OI), Apr. 2019, pp. 1–2. doi: 10/gf5gjx. Download
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J. Fridlander et al., "Photonic integrated transmitter for space optical communications," in Free-Space Laser Communications XXXI, International Society for Optics and Photonics, Mar. 2019, p. 1091026. doi: 10/gf5gnv. Download
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M. Krainak et al., "Integrated photonics for NASA applications," in Components and Packaging for Laser Systems V, International Society for Optics and Photonics, Mar. 2019, p. 108990F. doi: 10/gf5gnx. Download
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Y. Liu, B. Isaac, J. Kalkavage, E. Adles, T. Clark, and J. Klamkin, "93-GHz Signal Beam Steering with True Time Delayed Integrated Optical Beamforming Network," in Optical Fiber Communication Conference (OFC) 2019 (2019), paper Th1C.5, Optical Society of America, Mar. 2019, p. Th1C.5. doi: 10/gf4592.
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B. Isaac, S. Pinna, Y. Liu, and J. Klamkin, "Efficiency of Waveguide Uni-Traveling-Carrier Photodiodes for Microwave Signal Generation," in Optical Fiber Communication Conference (OFC) 2019 (2019), paper Th3B.6, Optical Society of America, Mar. 2019, p. Th3B.6. doi: 10/gf46hk. Download
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B. Isaac, Y. Liu, S. Pinna, L. Coldren, and J. Klamkin, “Waveguide Uni-Traveling-Carrier Photodiodes for mmW Signal Generation: Space-Charge Impedance and Efficiency Limitations,” in Device Research Conference (DRC), 2019. doi: 10/gs3gh8.
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S. Suran Brunelli et al., "Selective and Confined Epitaxial Growth Development for Novel Nano-Scale Electronic and Photonic Device Structures," Journal of Applied Physics (JAP), 2019, [Online]. Available: Download
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M. Krainak and J. Klamkin, "Integrated Photonics for NASA Application," in Proc. SPIE Photonics West, paper 10899-14, San Francisco, CA, January, 2019 (Invited), San Francisco, CA: Conference Lasers Electro-Optics (CLEO), paper SF3N, 2019, pp. 10899–14. [Online]. Available: