Publications

*NOTE: (C-#) = Conference, (J-#) = Journal, and (I-#) = Invited.

Radio Papers

(J-31) Zach Boynton and Ayosha Molnar, “A 9-31GHz 65nm CMOS Down-Converter with >4dBm OOB B1dB,” to appear in IEEE RFIC, 2020.

(J-30) Thomas Tapen, Hazal Yüksel, Zach Boynton, Alyssa Apsel, and Alyosha Molnar, “An Integrated, Software-Defined FDD Transceiver: Distributed Duplexing Theory and Operation,” IEEE TCAS-I, Jan. 2020.

(C-39) Ayosha Molnar, Zach Boynton, Sweta Soni, and Sanaz Sadeghi, “Synthetic Diversity To Mitigate Out-of-Band Interference in Widely Tunable Wireless Receivers,” 53rd Asilomar Conference on Signals, Systems, and Computers, 2019.

(J-29) Thomas Tapen, Zach Boynton, Hazal Yüksel, Alyssa Apsel, and Alyosha Molnar, “The Impact of LO Phase Noise in N-Path Filters,” IEEE TCAS-I, May 2018

(C-38) Edward Szoka and Alyosha Molnar, “Circuit Techniques for Enhanced Channel Selectivity in Passive Mixer-First Receivers,” IEEE RFIC, 2018.

(C-37) Hazal Yüksel, Thomas Tapen, Zachariah Boynton, Emory Enroth, Alyssa Apsel, and Alyosha Molnar, “An FDD/FD Capable, Single Antenna RF Front End from 800MHz to 1.2GHz w/ Baseband Harmonic Predistortion,” IEEE RFIC, 2018.

(C-34) Robin Ying, Matthew Morton, and Alyosha Molnar, “A HBT-based 300 MHz-12 GHz blocker-tolerant mixer-first receiver,” ESSIRC, 2017.

(I-12) Alyssa Apsel, Alyosha Molnar, Dong Yang, Hazal Yüksel, Thomas Tapen, Emory Enroth, M. Mohiuddin, and Zachariah Boynton, “Challenges and Approaches to Software-Defined Duplexing Radio,” IEEE ISCAS, 2016.

(C-32) Dong Yang, Hazal Yüksel, Christopher Newman, Changhyuk Lee, Zachariah Boynton, Noman Paya, Miles Pedrone, Alyssa Apsel, and Alyosha Molnar, “A Fully Integrated Software-Defined FDD Transceiver Tunable from 0.3 – 1.6 GHz,” IEEE RFIC, 2016.

(J-22) Dong Yang, Caroline Andrews, and Alyosha Molnar, “Optimized Design of N-phase Passive Mixer-First Receivers in Wideband Operation,” IEEE TCAS-I, Nov. 2015.

(J-21) Dong Yang, Hazal Yüksel, and Alyosha Molnar, “A Wideband Highly Integrated and Widely Tunable Transceiver for In-band Full-Duplex Communication,” IEEE J. Solid-State Circuits, 2015.

(C-30) Suren Jayasuriya, Dong Yang, and Alyosha Molnar, “A Baseband Technique for Automated LO Suppression Achieving,” IEEE CICC, 2014.

(C-27) Dong Yang and Alyosha Molnar, “A widely tunable active duplexing transceiver with same-channel concurrent RX/TX and 30dB RX/TX isolation,” IEEE RFIC, 2014.

(C-26) Hazal Yüksel, Dong Yang, and Alyosha Molnar, “A circuit-level model for accurate modeling 3rd order nonlinearity in CMOS passive mixers,” IEEE RFIC, 2014.

(J-17) Caroline Andrews, Luke Diamente, Dong Yang, Ben Johnson, and Alyosha Molnar “A Wideband Receiver with Resonant Multi-phase LO and Current Reuse Harmonic Rejection Baseband,” IEEE J. Solid-State Circuits, May 2013.

(C-22) Caroline Andrews, Changhyuk Lee, and Alyosha Molnar, “Effects of LO harmonics and overlap shunting on N-phase passive mixer based receivers,” ESSIRC, 2012.

(C-20) Caroline Andrews, Luke Diamente, Ben Johnson, and Alyosha Molnar, “A 6-12mW, 0.7-3.2GHz with resonant multi-phase LO and current reuse harmonic rejection baseband,” IEEE RFIC, 2012.

(I-11) Alyosha Molnar and Caroline Andrews, “Impedance, filtering and noise in n-phase passive CMOS mixers,” IEEE CICC, 2012.

(J-11) Caroline Andrews and Alyosha Molnar, “A Passive Mixer-First Receiver with Digitally Controlled and Widely Tunable RF Interface,” IEEE J. Solid-State Circuits, Dec. 2010.

(J-10) Caroline Andrews and Alyosha Molnar, “Implications of Passive Mixer Transparency for Impedance Matching and Noise Figure in Passive Mixer-First Receivers,” Transactions on Circuits and Systems I, Dec. 2010.

(C-12) Caroline Andrews and Alyosha Molnar, “A Passive-Mixer-First Receiver with Baseband-Controlled RF Impedance Matching, 6dB NF, and 27dBm Wideband IIP3,” International Solid-State Circuits Conference Digest of technical papers, Feb. 2010.

(J-5) Ben W. Cook, Axel D. Berny, Alyosha Molnar, Steven Lanzisera, and Kristofer Pister , “Low Power 2.4GHz Transceiver with Passive RX front-end and 400mV supply,” IEEE Journal of Solid-State Circuits, Dec. 2006.

(C-9) Ben W. Cook, Axel D. Berny, Alyosha Molnar,  Steven Lanzisera, and Kristofer Pister,“An Ultra-Low-power 2.4GHz RF Transceiver for Wireless Sensor Networks in 130nm CMOS with 400mV Supply and an Integrated Passive RX Front-end,” International Solid-State Circuits Conference Digest of technical papers, Feb. 2006.

(C-7) Alyosha Molnar, Benson Lu, Steven Lanzisera, Ben W. Cook, and Kristofer Pister, “An Ultra-low Power 900 MHz RF Transceiver for Wireless Sensor Networks,” Custom Integrated Circuits Conference technical digest, Oct. 2004.

(J-3) Rahul Magoon, Alyosha Molnar, Geoffrey Hatcher, Jefferey Zachan, and Woogeun Rhee, “A single-chip quad-band (850/900/1800/1900MHz) direct-conversion GSM/GPRS RF transceiver with integrated VCOs and Fractional-N synthesizer,” IEEE Journal of Solid-State Circuits, Dec. 2002.

(J-2) Rahul Magoon and Alyosha Molnar; “BiCMOS for RF systems on chip,” IEICE Transactions on Electronics, July 2002.

(C-6) Rahul Magoon and Alyosha Molnar, “RF Local Oscillator Path for a GSM Direct Conversion Transceiver with True 50% duty Cycle Divide by Three and Active Third Harmonic Cancellation,” RFIC symposium technical digest, June 2002.

(C-5) Alyosha Molnar, Rahul Magoon, Geoffrey Hatcher, Jefferey Zachan, Woogeun Rhee, Morten Damgaard, William Domino, and Nooshin Vakilian, “A single-chip quad-band (850/900/1800/ 1900MHz) direct-conversion GSM/GPRS RF transceiver with integrated VCOs and Fractional-N synthesizer,” International Solid-State Circuits Conference Digest of technical papers, Feb. 2002.

(C-4) Ico Koullias, Luke Steigerwald, William Domino, Noosin Vakilian, Emmanuel Ngompe, Morten Damgaard, Kevin Lewis, and Alyosha Molnar, “A triple-band 900/1800/1900 MHz low-power image-reject front-end for GSM,” International Solid-State Circuits Conference Digest of technical papers, Feb. 2001.

(C-3) Rahul Magoon, Joo Leong Tham, Alyosha Molnar, Bernd Pregardier, Mihai Margarit, Matteo Conta, Jackie Cheng, Akbar Ali, and Stephen Lloyd, A 900MHz/1.9GHz integrated transceiver and synthesizer IC for GSM,” ESSIRC digest of technical papers, Sept. 2000.

(J-1) M. Reddy, M.J. Mondry, S.C. Martin, A.C. Molnar, R.E. Muller, U. Bhattacharya, M.J.W. Rodwell, and R.P. Smith, “Monolithic Schottky-collector resonant tunnel diode oscillator arrays to 650GHz,” IEEE Electron Device Letters, May 1997.

(C-2) A.C. Molnar, M. Reddy, M.J. Mondry, M.J.W. Rodwell, S.J. Allen, S.C. Martin, R.E. Muller, and R.P. Smith, “Submm-wave monolithic RTD oscillator arrays to 650GHz,” International Electron Devices Meeting, Technical Digest (late news), Dec 1996.

(C-1) M. Reddy, M.J. Mondry,  A.C. Molnar, U. Bhattacharya, M.J.W. Rodwell, S.C. Martin, R.E. Muller, and R.P. Smith, “Monolithic RTD array oscillators at 100GHz and 200GHz,” Device Research Conference Technical Digest (late news), June 1996.

Bio-electronics Papers

(J-33) Sunwoo Lee, Alejandro Cortese, Aaron Mok, Chunyan Wu, Tianyu Wang, Ju Uhn Park, Conrad Smart, Shahaboddin Ghajari, Devesh Khilwani, Sanaz Sadeghi, Yanxin Ji, Jesse H. Goldberg, Chris Xu, Paul L. McEuen, and Alyosha C. Molnar, “Fabrication of Injectable Micro-Scale Opto-Electronically Transduced Electrodes (MOTEs) for Physiological Monitoring,” to appear in IEEE Journal of Microelectromechanical Systems (JMEMS), 2020.

(J-32) Alejandro J. Cortese, Conrad L. Smart, Tianyu Wang, Michael F. Reynolds, Samantha L. Norris, Yanxin Ji, Sunwoo Lee, Aaron Mok, Chunyan Wu, Fei Xia, Nathan I. Ellis, Alyosha C. Molnar, Chris Xu and Paul L. McEuen, “Microscopic Sensors using Optical Wireless Integrated Circuits,” Proceedings of the National Academy of Sciences of the United States of America (PNAS), 2020.

(C-40) Sunwoo Lee, Alejandro Cortese, Aaron Mok, Chunyan Wu, Tianyu Wang, Ju Uhn Park, Conrad Smart, Shahaboddin Ghajari, Devesh Khilwani, Sanaz Sadeghi, Yanxin Ji, Jesse H. Goldberg, Chris Xu, Paul L. McEuen, and Alyosha C. Molnar, “Fabrication of Injectable Micro-Scale Opto-Electronically Transduced Electrodes (MOTEs) for Physiological Monitoring,” Hilton Head Workshop 2020: A Solid-State Sensors, Actuators and Microsystems Workshop, 2020.

(J-28) Sunwoo Lee, Alejandro J. Cortese, Aasta Gandhi, Elizabeth R. Agger, Paul L. McEuen, and Alyosha C. Molnar, “A 250 μm × 57 μm Microscale Opto-Electronically Transduced Electrodes (MOTEs) for Neural Recording,” IEEE TBioCas, 2018.

(C-36) Sunwoo Lee, Alejandro J. Cortese, Paige Trexel, Elizabeth R. Agger, Paul L. McEuen, and Alyosha C. Molnar, “A 330μm×90μm opto-electronically integrated wireless system-on-chip for recording of neural activities,” IEEE ISSCC, 2018.

(J-19) Ben Johnson, Shane T. Peace, Albert Wang, Thomas A. Cleland, and Alyosha Molnar, “A 768-channel CMOS Microelectrode array with Angle Sensitive Pixels for Neuronal Recording,” IEEE Sensors Journal, 2013.

(J-18) Ben Johnson and Alyosha Molnar, “An Orthogonal Current-Reuse Amplifier for Multi-Channel Sensing,” IEEE J. Solid-State Circuits, June 2013.

(C-25) Ben Johnson, Shane T. Peace, Thomas A. Cleland, and Alyosha Molnar, “A 50um pitch, 1120-channel, 20kHz frame rate microelectrode array for slice recording,” IEEE BioCAS, 2013.

(C-24) Changhyuk Lee, Ben Johnson, and Alyosha Molnar, “A sub-threshold voltage ladder rectifier for orthogonal current-reuse neural amplifier,” IEEE BioCAS, 2013.

(C-18) Ben Johnson and Alyosha Molnar, “A scalable CMOS sensor array for neuronal recording and imaging,” IEEE Sensors Conference, Limerick Ireland, Oct. 2011.

(J-12) J. Jeng, S. Tang, Alyosha Molnar,  N. Desai, and S. Fried, “The sodium channel band shapes the response to electric stimulation in retinal ganglion cells,” J. Neural Eng., 2011.

(C-13) Ben Johnson, D. DeTomaso, and Alyosha Molnar, “A Low-Power Orthogonal Current-Reuse Amplifier for Parallel Sensing Applications,” IEEE European Solid-State Circuits Conference, 2010.

(J-8) Alyosha Molnar, Hain-Ann Hsueh, Botand Roska, and Frank Werblin, “Crossover inhibition in the retina: circuitry that compensates for nonlinear rectifying synaptic transmission,” J. Comput Neurosci., Dec. 2009.

(J-7) Hain-Ann Hsueh, Alyosha Molnar, and Frank Werblin, “Amacrine-to-amacrine cell inhibition in the rabbit retina,” J. Neurophysiol., Oct. 2008.

(J-6) Alyosha Molnar and Frank Werblin, “Inhibitory feedback shapes bipolar cell responses in the rabbit retina,” Journal of Neurophysiology, Dec. 2007.

(J-4) Botond Roska, Alyosha Molnar, and Frank S. Werblin, “Parallel Processing in Retinal Ganglion Cells: How integration of Space-Time Patterns of Excitation and Inhibition Form the Spiking Output,” Journal of Neurophysiology, Jun. 2006.

(C-10) Alyosha Molnar, Hain-Ann Hseuh, and Frank Werblin, “Push-pull interactions maintain signal accuracy in the inner retina,” Association for Research In Vision and Opthamology annual meeting, Ft Lauderdale, FL, May 2006.

(C-8) Alyosha Molnar and Frank Werblin, “Amacrine-Mediated Feedback Between Bipolar Cells Enhances Temporal Diversity in The Mammalian Retina,” Association for Research In Vision and Opthamology annual meeting, Ft Lauderdale, FL, May 2005.

Sensors Papers

(C-35) Visarute Pinrod, Alexander Ruyack, Robin Ying, Benyamin Davaji, Alyosha Molnar, and Amit Lal, “PZT lateral bimorph based sensor cuboid for near zero power sensor nodes,” IEEE SENSORS, 2017.

Computational Imaging Papers

(C-32) Mayank Gupta, Arjun Jauhari, Kuldeep Kulkarni, Suren Jayasuriya, Alyosha Molnar, and Pavan Turaga. “Compressive Light Field Reconstructions using Deep Learning,” CVPR Workshop on Computational Cameras and Displays (CCD), 2017.

(J-27) Huaijin Chen, Suren Jayasuriya, Jiyue Yang, Judy Stephen, Sriram Sivaramakrishnan, Ashok Veeraraghavan, and Alyosha Molnar, “ASP Vision: Optically Computing the First Layer of Convolutional Neural Networks using Angle Sensitive Pixels,” CVPR, 2016.

(J-23) Sriram Sivaramakrishnan, Changhyuk Lee, Ben Johnson, and Alyosha Molnar, “A Polar Symmetric CMOS Image Sensor for Rotation Invariant Measurement,” IEEE Sensors Journal, 2015.

(C-31) Suren Jayasuriya, A. Pediredla, Sriram Sivaramakrishnan, Alyosha Molnar, and Ashok Veeraraghavan, “Depth Fields: Extending Light Field Techniques to Time-of-Flight Imaging,” Int. Conf. on 3D Vision (3DV), 2015.

(J-20) Changhyuk Lee, Wei Chao, Sunwoo Lee, J. Hone, Alyosha Molnar, and Sang Hoon Hong, “A Low Power Edge Detection Image Sensor based on Parallel Digital Pulse Computation,” IEEE TCAS-II: Express Briefs, 2015.

(J-25) Changhyuk Lee, Ben Johnson, and Alyosha Molnar. “Angle Sensitive Single Photon Avalanche Diode,” Applied Physics Letters, 2015.

(J-26) Sriram Sivaramakrishnan, Albert Wang, Patrick Gill, and Alyosha Molnar. “Design and Characterization of Enhanced Angle Sensitive Pixels,” IEEE Trans. on Electron Devices, 2015.

(J-24) Suren Jayasuriya, Sriram Sivaramakrishnan, Ellen Chuang, Debashree Guruaribam, Albert Wang, and Alyosha Molnar, “Dual Light Field and Polarization Imaging using CMOS Diffractive Image Sensors,” Optics Letters, 2015.

(C-29) Changhyuk Lee, Ben Johnson, and Alyosha Molnar, “An on-chip 72×60 angle sensitive single photon image sensor for lens-less time-resolved 3-D fluorescence lifetime imaging,” VLSI, 2014.

(C-28) M. Hirsch, Sriram Sivaramakrishnan, Suren Jayasuriya, Albert Wang, Alyosha Molnar, R. Raskar, and G. Wetzstein, “A Switchable Light Field Camera Architecture using Angle Sensitive Pixels and Dictionary-based Sparse Coding,” IEEE International Conference on Computational Photography, 2014. (Best Paper Award)

(C-23) Ben Johnson, Changhyuk Lee, Sriram Sivaramakrishnan, and Alyosha Molnar, “A high-speed polar-symmetric imager for real-time calibration of rotational inertial sensors,” IEEE Sensors 2013.

(J-16) Patrick Gill, Changhyuk Lee, Sriram Sivaramakrishnan, and Alyosha Molnar, “Robustness of planar Fourier capture arrays to colour changes and lost pixels,” Journal of Instrumentation, 2012.

(I-7) Albert Wang, Sheila Hemami, and Alyosha Molnar. “Angle-sensitive pixels: a new paradigm for low-power, low-cost 2D and 3D sensing,” Proc. SPIE 8288, Stereoscopic Displays and Applications XXIII, 2012.

(C-21) Albert Wang, Sriram Sivaramakrishnan, and Alyosha Molnar, “A 180nm CMOS image sensor with on-chip optoelectronic image compression,” IEEE CICC, 2012.

(J-15) Albert Wang and Alyosha Molnar, “A Light-Field Image Sensor in 180 nm CMOS,” IEEE J. Solid-State Circuits, Jan. 2012.

(C-19) Sriram Sivaramakrishnan, Albert Wang, Patrick Gill, and Alyosha Molnar, “Enhanced Angle Sensitive Pixels for Light Field Imaging,” IEEE IEDM Washington DC, 2011.

(C-17) Albert Wang, and Alyosha Molnar, “Phase-based 3D Optical Flow Sensors for Motion,” IEEE Sensors Conference, Limerick Ireland, Oct. 2011. (best student paper award, 2nd place)

(J-13) Patrick Gill, Changhyk Lee, D.-G. Lee, Albert Wang, and Alyosha Molnar, “A Micro-Scale Camera Using Direct Fourier-Domain Scene Capture,” Optics Letters, 2011. (top-10 download for 2011)

(J-14) Patrick Gill, Albert Wang, and Alyosha Molnar, “The In Crowd Algorithm for Fast Exact Basis Pursuit Denoising,” IEEE Transactions on Signal Processing, Oct. 2011.

(C-16) Changhyuk Lee and Alyosha Molnar, “Self-Quenching, Forward-bias-reset for Single Photon Avalanche Detectors in 1.8V, 0.18um process,” Proceedings of IEEE Intl. Symposium on Circuits and Systems, 2011.

(C-15) Albert Wang, Patrick Gill, and Alyosha Molnar, “ An Angle-Sensitive CMOS Imager for Single-Sensor 3D Photography ,” International Solid-State Circuits Conference, 2011. (Lewis Winner Outstanding Paper Award)

(C-14) Albert Wang, Patrick Gill, and Alyosha Molnar, “Fluorescent Imaging and Localization with Angle Sensitive Pixel Arrays in Standard CMOS,” Proceedings of IEEE Sensors 2010, Kona, Hawaii, Nov. 2010. (best Poster award)

(J-9) Albert Wang, Patrick Gill, and Alyosha Molnar, “Light field image sensors based on the Talbot effect,” Applied Optics, 2009.

(C-11) Albert Wang, Patrick Gill, and Alyosha Molnar, “Angle Sensitive Pixels in CMOS for Lensless 3D Imaging,” Custom Integrated Circuits Conference, 2009.

Invited Conference Talks and Tutorials

(I-12) Alyssa Apsel, Alyssa Molnar, Dong Yang, Hazal Yüksel, Thomas Tapen, Emory Enroth, M. Mohiuddin, and Zachariah Boynton, “Challenges and Approaches to Software-Defined Duplexing Radio,” IEEE ISCAS, 2016.

(I-11) Alyosha Molnar, Caroline Andrews, “Impedance, Filtering and Noise in N-phase CMOS Passive Mixers,” IEEE Custom Integrated Circuits Conference, 2012.

(I-10) Alyosha Molnar, Albert Wang, Patrick Gill, “CMOS Angle Sensitive Pixels for 3-D Imaging”, OSA Imaging and Applied Optics Conference, June 2012.

(I-9) Patrick Gill and Alyosha Molnar, “PFCAs: Planar Imagers Built in Unmodified CMOS,” OSA Imaging and Applied Optics Conference, June 2012.

(I-8) Alyosha Molnar, Caroline Andrews, “Impedance and Noise Interactions Through CMOS Passive Mixers,” RFIC, 2012.

(I-7) Albert Wang, Sheila Hemami, and Alyosha Molnar, “Angle-sensitive pixels: a new paradigm for low-power, low-cost 2D and 3D sensing,” IS&T/SPIE Electronic Imaging, 2012.

(I-6) Patrick Gill and Alyosha Molnar, “Planar Fourier Capture Arrays: Tiny Optical Sensors Built Entirely in Unmodified CMOS”, 9th International Conference on Position Sensitive Detectors, Sept. 2011.

(I-5) Alyosha Molnar, Albert Wang, Patrick Gill, and Sriram Sivaramakrishnan, “Arrays of Angle-Sensitive Pixels in Standard CMOS for 3D Light-Field Capture,” Image Sensors for 3D Capture forum at ISSCC, 2011.

(I-4) Alyosha Molnar, “Physical Image Processing,” CMOS Emerging Technologies Workshop, May, 2010.

(I-3) Alyosha Molnar, Hain-Ann Hseuh, Botond Roska, and Frank Werblin, “A few common inhibitory motifs shape responses of bipolar, amacrine and ganglion cells in the mammalian retina,” FASEB Summer Research Conference in Retinal Neurobiology and Visual Processing, 2006.

(I-2) Ben W. Cook, Alyosha Molnar, and Kristofer S. J. Pister, “Low Power RF design for sensor networks,” RFIC Symposium, June 2005.

(I-1) Rahul Magoon and Alyosha Molnar, “The Integration of Direct Conversion Transceivers for Modern Cellular Standards,” RFIC Symposium Technical Digest, June 2002.