Peer-Reviewed Conference Papers


Journal Papers


Ashfaque Uddin, Sukru Yemenicioglu, Chin-Hsuan Chen, Ellie Corigliano, Kaveh Milaninia, and Luke Theogarajan, "Integration of solid-state nanopores in a 0.5 µm CMOS foundry process,Nanotechnology, Vol. 24, 155501, March 2013.

Luke Theogarajan, "Strategies for Restoring Vision to the Blind: Current and Emerging Technologies," Neuroscience Letters, 2012.

Michael J. Isaacman, Kathryn A. Barron, and Luke Theogarajan, "Clickable Amphiphilic Triblock Copolymers," Journal of Polymer Science Part A. Polymer Chemistry, 2012, 50, 2139-2329.

Luis Chen, Eric Hall, Luke Theogarajan, and John Bowers, "Photonic Switching for Data Center Applications," IEEE Photonics Journal, Volume 3, Number 5, October 2011.

Ashfaque Uddin, Kaveh Milaninia, Chin-Hsuan Chen, and Luke Theogarajan, "Wafer Scale Integration of CMOS Chips for Biomedical Applications via Self-Aligned Masking," IEEE Transactions on Components, Packaging and Manufacturing Technology, September 2011.


Danielle Morton, Shahab Mortezaei, Sukru Yemenicioglu, Michael J. Isaacman, Ian C. Nova, Jens H. Gundlach, and Luke Theogarajan, "Tailored polymeric membranes for Mycobacterium smegmatis porin A (MspA) based biosensors," Journal of Materials Chemistry B, 2015, 3, 5080.

Michael J. Isaacman, Weibin Cui, and Luke S. Theogarajan, "Rapid Metal-Free Macromolecular Coupling via In Situ Nitrile Oxide-Activated Alkene Cycloaddition," Journal of Polymer Science Part A: Polymer Chemistry, 52: 3134-3141, August 2014.

Aaron Bluestone, Daryl T. Spencer, Sudharsanan Srinivasan, Danielle Guerra, John E. Bowers and Luke Theogarajan, "An Ultra-Low Phase-Noise 20-GHz PLL Utilizing an Optoelectronic Voltage-Controlled Oscillator," IEEE Trans. on Microwave Theory and Techniques, Vol. 63, No. 3, March 2015.

Michael J. Isaacman, Eleonora M. Corigliano, and Luke S. Theogarajan, "Stealth Polymeric Vesicles via Metal-Free Click Coupling," Biomacromolecules, Vol. 14, No. 9, August 2013.

Naraso Borjigin, Jun-ichi Nishida, Shizou Tokito, Luke Theogarajan, and Yoshiro Yamashita, "n- and p-Channel field-effect transistors based on diquinoxalinoTTF derivatives," Synthetic Metals, 2010.

Naraso Borjigin and Luke Theogarajan, "Novel ABA triblock copolymers with pendent carboxylic acid side chain for drug delivery systems," Abstracts of Papers of the American Chemical Society, 2010, N502.

D. Shire, S. Kelly, J. Chen, P. Doyle, M. Gingerich, S. Cogan, W. Drohan, O. Mendoza, L. Theogarajan , J. Wyatt Jr, and J. Rizzo, "Development and Implantation of a Minimally-Invasive Wireless Sub-Retinal Neurostimulator," IEEE Trans. On Biomedical Engineering, Vol. 56, No. 10, pp. 2502-2511, October 2009.

C. Mulder, L. Theogarajan, M. Currie, J. K. Mapel, M. A. Baldo, M. Vaughn, P. Willard, B. D. Bruce, M. W. Moss, C. E. McLain, and J. P. Morseman, "Luminescent Solar Concentrators Employing Phycobilisomes (p NA)," Advanced Materials, 21, pp. 1-5, 2009.

Luke S. Theogarajan, "A Low Power Fully Implantable 15-Channel Retinal Stimulator Chip," IEEE Journal of Solid-State Circuits (JSSC), Vol. 43, No. 10, pp. 2322-2337, 2008.

L. Theogarajan, S. Desai, M. A. Baldo and C. Scholz, "Versatile Synthesis of Self-assembling ABA Triblock copolymers with Polymethyloxazoline A-blocks and a Polysiloxane B-block Decorated with Supramolecular Receptors," Polymer International, 57, pp. 660-667, 2008.

L. Theogarajan, S. Desai, M. Baldo and C. Scholz, "Ion Responsive Polymeric Vesicles," Polymer Preprints, Vol. 48, No. 2, pp. 1040-1041, 2007.

L.Theogarajan and L.A. Akers, "Novel circuits for neural information processing," Computers & Electrical Engineering, Vol. 25, No. 5, pp. 409-420, 1999.

L.Theogarajan and L.A. Akers, "A Scalable Low Voltage Analog Gaussian Radial Basis Circuit," IEEE Transactions on Circuits and Systems - II : Analog and Digital Signal Processing, Vol. 44 No. 11, pp. 977-979, 1997.

Aaron Bluestone, Ryan Kaveh, and Luke Theogarajan, "An Analog Phase Prediction Based Fractional-N PLL," in IEEE International Symposium on Circuits and Systems (ISCAS), Baltimore, Maryland, USA, May 2017. 

Danielle Morton and Luke Theogarajan, "Low noise rail-to-rail pseudo-switched operational amplifier for biosensor applications," in IEEE Biomedical Circuits and Systems Conference (BioCAS), Atlanta, Georgia, USA, December 2015. 

Melika Payvand and Luke Theogarajan "Exploiting Local Connectivity of CMOL Architecture for Highly Parallel Orientation Selective Neuromorphic Chips," in IEEE/ACM International Symposium on Nanoscale Architectures (NANOARCH), Boston, Massachusetts, USA, July 2015.

Justin Rofeh, Avantika Sodhi, Melika Payvand, Miguel Angel Lastras-Montaño, Amirali Ghofrani, Advait Madhavan, Sukru Yemenicioglu, Kwang-Ting Cheng, and Luke Theogarajan, "Vertical Integration of Memristors onto Foundry CMOS Die using Wafer-Scale Integration," in IEEE Electronic Components and Technology Conference, San Diego, California, USA, May 2015.

Melika Payvand, Advait Madhavan, Miguel Angel Lastras-Montaño, Amirali Ghofrani, Justin Rofeh, Kwang-Ting Cheng, Dmitri Strukov, and Luke Theogarajan, "A Configurable CMOS Memory Platform for 3D-Integrated Memristors," in IEEE International Symposium on Circuits and Systems (ISCAS), Lisbon, Portugal, May 2015.

Daryl T. Spencer, Sudharsanan Srinivasan, Aaron Bluestone, Danielle Guerra, Luke Theogarajan, and John E. Bowers, "A Low Phase Noise Dual Loop Optoelectronic Oscillator as a Voltage Controlled Oscillator with Phase Locked Loop," in IEEE Photonics Conference, San Diego, California, USA, October 2014.

Melika Payvand, Justin Rofeh, Avantika Sodhi, and Luke Theogarajan, "A CMOS-memristive self-learning neural network for pattern classification applications," in IEEE/ACM International Symposium on Nanoscale Architectures (NANOARCH),  Paris, France, July 2014.

Chin-Hsuan Chen, Sukru Yemenicioglu, Ashfaque Uddin, Ellie Corgliano, Luke Theogarajan, "A CMOS Enhanced Solid-State Nanopore Based Single Molecule Detection Platform," in IEEE Engineering Medicine and Biology Conference, Osaka, Japan, July 2013.

Luis Chen, Jared Hulme, Avantika Sohdi, Jonathan Roth, Volkan Kaman, Gregory Fish, John E. Bowers, and Luke Theogarajan, "Digitally Tunable Optical Power Equalization for Large Port Count Optical Switches," in Optical Fiber Communication Conference (OFC), Anaheim, California, USA, March 2013.

Mohamed Elzeftawi and Luke Theogarajan, "A 10pJ/bit 135Mbps IR-UWB Transmitter using Pulse Position Modulation and with On-chip LDO Regulator in 0.13micron CMOS for Biomedical Implants," in IEEE Topical Conference on Biomedical Wireless Technologies, Networks, and Sensing Systems (BioWireleSS), Austin, Texas, USA, January 2013.

Mohamed Elzeftawi, Samuel Beach, Le Wang, and Luke Theogarajan "A 1.3µW 0.0075mm2 Neural Amplifier and Capacitor-Integrated Electrodes for High Density Neural Implant Recording," in IEEE Biomedical Circuits and Systems Conference (BioCAS), Hinchu, Taiwan, November 2012. 

Luis Chen, Y. Tang, John E. Bowers, Luke Theogarajan, "CMOS Enabled Silicon Photonics for Data Center Packet Switching," International Microwave Symposium, Montreal, Canada, June 2012.

Le Wang and Luke Theogarajan, "An 18µW 79dB-DR 20KHz-BW MASH Sigma-Delta Modulator Utilizing Self-Biased Amplifiers for Biomedical Applications," IEEE Custom Integrated Circuit Conference, 2011.

Le Wang and Luke Theogarajan, "A Micro Power Delta-Sigma Modulator based on a Self-Biased Super Inverter for Neural Recording Systems," IEEE Custom Integrated Circuit Conference, Sept. 2010.

Ashfaque Uddin, Kaveh Milaninia, Oguz Elibol, Jonathan Daniels, Xing Su, Madoo Varma, Derek Stein, Luke Theogarajan, "Fabrication of a CMOS compatible nanopore detector for DNA," American Physical Society March Meeting, Vol. 55, No. 2, Portland, Oregon, USA, 2010.

Mohamed N. Elzeftawi, C. Patrick Yue, and Luke Theogarajan, "Design Challenges for Sense Amplifier and Wireless Link in High-Density Neural Recording Implants," International Symposium on VLSI Design, Automation & Test (VLSI-DAT), pp. 61-64, 2010.

L. Theogarajan, D. Shire, S. Kelly, J. Wyatt and J. F. Rizzo, "Visual Prostheses: Current Progress and Challenges," International Symposium on VLSI Design, Automation & Test (VLSI-DAT), pp. 126-129, 2009.

L. Theogarajan, J. Wyatt, J. Rizzo, B. Drohan, M. Markova, S. Kelly, G. Swider, M. Raj, D. Shire, M. Gingerich, J. Lowenstein, B. Yomtov, "Minimally Invasive Retinal Prosthesis," IEEE International Solid-State Circuits Conference, 2006 (ISSCC) Digest of Technical Papers, Feb. 6-9, pp. 99-100, 2006.

J.L. Wyatt, J.F. Rizzo, L. Theogarajan, D.B. Shire, S.K. Kelly, M.D. Gingerich, S. Cogan, M. Markova, O. Ziv, "Engineering Development of a Prototype Wireless Subretinal Prosthesis," ARVO Lecture Abstract 1146, May 2005.

J.F. Rizzo, J.L. Wyatt, J. Loewenstein, S. Montezuma, D.B. Shire, L. Theogarajan, S.K. Kelly, "Development of a Wireless, ab Externo Retinal Prosthesis," ARVO Lecture Abstract 3399, May 2004.

R.Kuppuswamy, L.Theogarajan and L.A. Akers, "A Programmable Gaussian Node," Proceedings of the International Conference of Neural Networks, pp. 880-885, 1996.

L. Theogarajan and L.A. Akers, "Silicon Models of Visual Cortical Processing," Proceedings of the International Conference of Neural Networks, pp. 659-664, 1996.

L. Theogarajan and L.A. Akers, "A Multidimensional Analog Gaussian Basis Circuit," Proceedings of the International Symposium of Circuits and Systems (ISCAS), pp.543-546, 1996.

L. Theogarajan and L.A. Akers, "Analog VLSI Implementations of Receptive Field Profiles found in Visual Cortical Neurons," Proceedings of the International Symposium of Circuits and Systems (ISCAS), pp.364-367, 1996.



Luke S. Theogarajan, High voltage tolerant differential input receiver. Feb. 2004.

Joseph F. Rizzo, John L. Wyatt Jr., and Luke Theogarajan, Minimally Invasive Retinal Prosthesis. Aug. 2003.

Luke S. K. Theogarajan, James W. Dukes, and Ken V. Diep, Method and apparatus for generating boundary markers for an instruction stream including variable-length instructions. Oct. 2001.

Luke Theogarajan, Differential precharge circuit. Apr. 2000.



D.T. Spencer, A. Bluestone, J.E. Bowers, T.C. Briles, S.A. Diddams, T. Drake, R. Ilic, T.J. Kippenberg, T. Komljenovic, S.H. Lee, Q. Li, N. Newbury, E. Norberg, D.Y. Oh, S. Papp, M.H.P. Pfeiffer, L. Sinclair, K. Srinivasan, J. Stone, M-G Suh, L. Theogarajan, K. Vahala, N. Volet, D. Westly, and K.Y. Yang, "Towards an integrated-photonics optical-frequency synthesizer with < 1 Hz residual frequency noise," Optical Fiber Communications Conference (OFC), San Diego, CA, USA, March 2017.

J.E. Bowers, A. Beling, D. Blumenthal, A. Bluestone, S.M. Bowers, T.C. Briles, L. Chang, S.A. Diddams, G. Fish, H. Guo, T.J. Kippenberg, T. Komljenovic, E. Norberg, S. Papp, M.H.P. Pfeiffer, K. Srinivasan, L. Theogarajan, K.J. Vahala, and N. Volet, "Chip-scale optical resonator enabled synthesizer (CORES) miniature systems for optical frequency synthesis," IEEE International Frequency Control Symposium (IFCS), New Orleans, LA, USA, May 2016.

Luke Theogarajan, Ph.D.

Le Wang, Ph.D.

Hyunjin Kim, Luke Theogarajan, and Sumita Pennathur, “ A repeatable and scalable fabrication method for sharp, hollow silicon microneedles,” Journal of Micromechanics and Microengineering, Vol. 28, No. 3, January 2018. 

Akhilesh S. P. Khope, Takako Hirokawa, Andrew M. Netherton, Mitra Saeidi, Yujie Xia, Nicolas Volet, Clint Schow, Roger Helkey, Luke Theogarajan, Adel A. M. Saleh, John E. Bowers, and Rod C. Alferness, “On-chip wavelength locking for photonic switches,” Optics Letters, Vol. 42, No. 23, December 2017. 

Aaron Bluestone, Akshar Jain, Nicolas Volet, Daryl T. Spencer, Scott B. Papp, Scott A. Diddams, John E. Bowers, and Luke Theogarajan, “Heterodyne-based hybrid controller for wide dynamic range optoelectronic frequency synthesis,” Optics Express, Vol. 25, No. 23, November 2017. 

Matthew Pevarnik, Weibin Cui, Sukru Yemenicioglu, Justin Rofeh and Luke Theogarajan, “Solid-state nanopore based biomimetic voltage gated ion channel,” Bioinspiration & Biomimetics, Vol. 12, No. 6, November 2017. 

Daryl T. Spencer, Travis C. Briles, Tara Drake, Jordan Stone, Robert Ilic, Qing Li, Laura Sinclair, Daron Westly, Nathan Newbury, Kartik Srinivasan, Scott A. Diddams, Scott Papp, Aaron Bluestone, Tin Komljenovic, Nicolas Volet, Luke Theogarajan,  John E. Bowers, Myoung-Gyun Suh, Ki Youl Yang, Seung Hoon Lee, Dong Yoon Oh, Kerry Vahala, Martin H. P. Pfeiffer, Tobias J. Kippenberg, and Erik Norberg, “Full stabilization and control of an integrated photonics optical frequency synthesizer,”  IEEE Photonics Conference, Orlando, Florida, USA, October 2017.

B. Chakrabarti, M.A. Lastras-Montaño, G.Adam, M. Prezioso, B. Hoskins, M. Payvand, A. Madhavan, A. Ghofrani, L.Theogarajan, K.-T. Cheng, and D. B. Strukov, “A multiply-add engine with monolithically integrated 3D memristor crossbar/CMOS hybrid circuit,” Scientific Reports, Vol. 7, July 2017. 

Saeed Mirzaeian, Ph.D.


University of California, Santa Barbara

BioEngineering Building

Santa Barbara, CA 93106