Publications

Note: Copyright belongs to the respective publisher.

Book Chapters

  • Switch-mode mm-wave silicon power amplifiers [pdf]
    H Krishnaswamy, H Hashemi, A Chakrabarti, K Datta
    mm-Wave Silicon Power Amplifiers and Transmitters, Cambridge University Press, 2016
  • Introduction [pdf]
    H Hashemi, S Raman
    mm-Wave Silicon Power Amplifiers and Transmitters, Cambridge University Press, 2016
  • Integrated beamforming arrays [pdf]
    H Krishnaswamy, H Hashemi
    mm-Wave Silicon Technology: 60 GHz and Beyond, Springer, 2008
  • Introduction to mm-wave silicon devices, circuits, and systems [pdf]
    AM Niknejad, H Hashemi
    mm-Wave Silicon Technology: 60 GHz and Beyond, Springer, 2008

Ph.D. Dissertation

  • Mixed-signal integrated circuits for interference tolerance in wireless receivers and fast frequency hopping [pdf]
    Sushil Subramanian
    May 2017
  • Integrated large-scale monolithic electro-optical systems in standard SOI CMOS process [pdf]
    Hooman Abediasl
    January 2017
  • Wideband low phase-noise RF and mm-wave frequency generation [pdf]
    Alireza Imani
    October 2016
  • High power, highly efficient, millimeter-wave, switching power amplifiers for watt-level high-speed silicon transmitters [pdf]
    Kunal Datta
    October 2016
  • Integrated reconfigurable wireless receivers supporting carrier aggregation [pdf]
    Run Chen
    October 2015
  • Silicon-based wideband & mm-wave power amplifier architectures and implementations [pdf]
    Jonathan Roderick
    September 2014
  • Energy aware integrated circuits for communication and biomedical applications [pdf]
    Zahra Safarian
    February 2014
  • Electronically assisted relative and absolute phase control of semiconductor lasers [pdf]
    Firooz Aflatouni
    September 2011
  • Integrated multi-band and wideband reconfigurable wireless receivers [pdf]
    Ankush Goel
    September 2010
  • Silicon-based broadband short-range radar architectures and implementations [pdf]
    Ta-Shun Chu
    September 2010
  • Architectures and integrated circuits for RF and mm-wave multiple-antenna systems on silicon [pdf]
    Harish Krishnaswamy
    January 2009

Journal Papers

  • A review of semiconductor-based monolithic optical phased array architectures [pdf]
    H. Hashemi
    IEEE Open Journal of the Solid-States Circuits Society, Oct. 2021
  • A bidirectional neural interface SoC with adaptive IIR stimulation artifact cancelers [pdf]
    A. Samiei and H. Hashemi
    IEEE Journal of Solid-State Circuits, July 2021.
  • mm-wave mixer-first receiver with selective passive wideband low-pass filtering [pdf]
    P. Song and H. Hashemi
    IEEE Journal of Solid-State Circuits, May 2021.
  • Energy-efficient neural stimulator with dynamic supply modulation [pdf]
    A. Samiei and H. Hashemi
    Electronics Letters, 2020
  • RF filter synthesis based on passively-coupled N-path resonators [pdf]
    P Song, H Hashemi
    IEEE Journal of Solid-State Circuits, September 2019
  • Low-power thermo-optic silicon modulator for large-scale photonic integrated systems [pdf]
    S Chung, M Nakai, H Hashemi
    Optics Express, April 2019
  • A chopper-stabilized, current feedback, neural recording amplifier [pdf]
    A Samiei, H Hashemi
    IEEE Solid-State Circuits Letters, March 2019
  • Frequency and power scaling in mm-wave Colpitts oscillators [pdf]
    A Imani, H Hashemi
    IEEE Journal of Solid-State Circuits, May 2018
  • A monolithically integrated large-scale optical phased array in silicon-on-insulator CMOS [pdf]
    S Chung, H Abediasl, H Hashemi
    IEEE Journal of Solid-State Circuits, January 2018
  • Distributed injection locked frequency dividers [pdf]
    A Imani, H Hashemi
    IEEE Journal of Solid-State Circuits, August 2017
  • High-breakdown, high-fmax multiport stacked-transistor topologies for the w-Band power amplifiers [pdf]
    K Datta, H Hashemi
    IEEE Journal of Solid-State Circuits, May 2017
  • Watt-level mm-wave power amplification with dynamic load modulation in a SiGe HBT digital power amplifier [pdf]
    K Datta, H Hashemi
    IEEE Journal of Solid-State Circuits, February 2017
  • 128-bit spectral processing of sub-picosecond optical pulses in a standard SOI CMOS process [pdf]
    H Abediasl, H Hashemi
    Optics Express, December 2016
  • Reconfigurable receiver with radio-frequency current-mode complex signal processing supporting carrier aggregation [pdf]
    R Chen, H Hashemi
    IEEE Journal of Solid-State Circuits, December 2015
  • Dual-carrier aggregation receiver with reconfigurable front-end RF signal conditioning [pdf]
    R Chen, H Hashemi
    IEEE Journal of Solid-State Circuits, August 2015
  • An FBAR/CMOS frequency/phase discriminator and phase noise reduction system [pdf]
    A Imani, H Hashemi
    IEEE Transactions on Microwave Theory and Techniques, May 2015
  • Monolithic optical phased-array transceiver in a standard SOI CMOS process [pdf]
    H Abediasl, H Hashemi
    Optics Express, March 2015
  • Tunable duplexer with passive feed-forward cancellation to improve the RX-TX isolation [pdf]
    A Goel, B Analui, H Hashemi
    IEEE Transactions on Circuits and Systems I: Regular Papers, February 2015
  • Reconfigurable quantization of oversampled signals under discrete-time filtering [pdf]
    S Subramanian, H Hashemi
    IEEE Transactions on Circuits and Systems I: Regular Papers, November 2014
  • Capacitance-sharing, dual-output, compact, switched-capacitor DC-DC converter for low-power biomedical implants [pdf]
    Z Safarian, H Hashemi
    Electronics Letters, November 2014
  • Performance limits, design and implementation of mm-wave SiGe HBT class-E and stacked class-E power amplifiers [pdf]
    K Datta, H Hashemi
    IEEE Journal of Solid-State Circuits, October 2014
  • A 0.5-to-3 GHz software-defined radio receiver using discrete-time RF signal processing [pdf]
    R Chen, H Hashemi
    IEEE Journal of Solid-State Circuits, May 2014
  • Wirelessly Powered Passive Systems With Dynamic Energy Storage Mechanism [pdf]
    Z Safarian, H Hashemi
    IEEE Transactions on Microwave Theory and Techniques, February 2014
  • True-time-delay-based multi-beam arrays [pdf]
    T-S Chu, H Hashemi
    IEEE Transactions on Microwave Theory and Techniques, August 2013
  • Passive subharmonic generation using memoryless nonlinear circuits [pdf]
    Z Safarian, H Hashemi
    IEEE Transactions on Microwave Theory and Techniques, December 2012
  • Analysis and design of low phase-noise oscillators with nonlinear resonators [pdf]
    A Imani, H Hashemi
    IEEE Transactions on Microwave Theory and Techniques, December 2012
  • A 130-nm CMOS 100-Hz-6-GHz reconfigurable vector signal analyzer and software-defined receiver [pdf]
    A Goel, B Analui, H Hashemi
    IEEE Transactions on Microwave Theory and Techniques, May 2012
  • Wideband tunable laser phase noise reduction using single sideband modulation in an electro-optical feed-forward scheme [pdf]
    F Aflatouni, H Hashemi
    Optics Letters, January 2012
  • A 10-Gb/s inductorless transimpedance amplifier [pdf]
    O Momeni, H Hashemi, E Afshari
    IEEE Transactions on Circuits and Systems II: Express Briefs, July 2009
  • Design methodology and architectures to reduce the semiconductor laser phase noise using electrical feedforward schemes [pdf]
    F Aflatouni, H Hashemi
    IEEE Transactions on Microwave Theory and Techniques, November 2010
  • Semiconductor laser phase-noise cancellation using an electrical feed-forward scheme [pdf]
    M Bagheri, F Aflatouni, A Imani, A Goel, H Hashemi
    Optics Letters, October 2009
  • Wideband multi-mode CMOS VCO design using coupled inductors [pdf]
    Z Safarian, H Hashemi
    IEEE Transactions on Circuits and Systems I: Regular Papers, July 2009
  • Toward a sub-decibel noise figure broadband monolithic LNA in silicon [pdf]
    A Goel, H Hashemi
    IEEE Transactions on Microwave Theory and Techniques, November 2008
  • A variable-phase ring oscillator and PLL architecture for integrated phased array transceivers [pdf]
    H Krishnaswamy, H Hashemi
    IEEE Journal of Solid-State Circuits, November 2008
  • Integrated true-time-delay-based ultra-wideband array processing [pdf]
    H Hashemi, T-S Chu, J Roderick
    IEEE Communications Magazine, September 2008
  • Concurrent dual-frequency oscillators and phase-locked loops [pdf]
    A Goel, H Hashemi
    IEEE Transactions on Microwave Theory and Techniques, August 2008
  • Injection locking in concurrent dual-frequency oscillators [pdf]
    A Goel, H Hashemi
    IEEE Transactions on Microwave Theory and Techniques, August 2008
  • Effect of process mismatches on integrated CMOS phased arrays based on multiphase tuned ring oscillators [pdf]
    H Krishnaswamy, H Hashemi
    IEEE Transactions on Microwave Theory and Techniques, June 2008
  • Phase-controlled apertures using heterodyne optical phase-locked loops [pdf]
    W Liang, N Satyan, F Aflatouni, A Yariv, A Kewitsch, G Rakuljic, H Hashemi
    IEEE Photonics Technology Letters, June 2008
  • A differential X/Ku-band low noise amplifier in 0.13-um CMOS Technology [pdf]
    M Yamagata, H Hashemi
    IEEE Microwave and Wireless Components Letters, December 2007
  • A nonlinear transient analysis of regenerative frequency dividers [pdf]
    K Sengupta, TK Bhattacharyya, H Hashemi
    IEEE Transactions on Circuits and Systems I: Regular Papers, December 2007
  • Coherent beam combining with multilevel optical phase-locked loops [pdf]
    W Liang, N Satyan, F Aflatouni, A Yariv, A Kewitsch, G Rakuljic, H Hashemi
    Journal of the Optical Society of America B, December 2007
  • An integrated ultra-wideband timed array receiver in 0.13 um CMOS using a path-sharing true time delay architecture [pdf]
    T-S Chu, J Roderick, H Hashemi
    IEEE Journal of Solid-State Circuits, December 2007
  • Coherent power combination of two master-oscillator-power-amplifier (MOPA) semiconductor lasers using optical phase lock loops [pdf]
    W Liang, N Satyan, A Yariv, A Kewitsch, G Rakuljic, F Aflatouni, H Hashemi, J Ungar
    Optics Express, March 2007
  • Frequency switching in dual-resonance oscillators [pdf]
    A Goel, H Hashemi
    IEEE Journal of Solid-State Circuits, March 2007
  • Silicon-based ultra-wideband beam-forming [pdf]
    J Roderick, H Krishnaswamy, K Newton, H Hashemi
    IEEE Journal of Solid-State Circuits, August 2006

Conference Proceedings

  • Beam forming in integrated optical phased array enabled with deep neural network
    M. Nakai, I. Takai, S. Chung, and H. Hashemi
    Conference on Lasers and Electro-Optics (CLEO), 2022.
  • Integrated all-optical controlled amplitude modulator using laser delivered signals
    S. Idres, A. Fallahpour, A. Willner, J. Habif, and H. Hashemi
    Conference on Lasers and Electro-Optics (CLEO), 2022.
  • A review of silicon photonics lidar
    H. Hashemi
    IEEE Custom Integrated Circuits Conference (CICC), 2022.
  • Optical binary switched delay line based on low loss multimode waveguide
    S. Idres and H. Hashemi
    Optical Fiber Communications (OFC) Conference Digest of Technical Papers, 2022.
  • Optical phased array FMCW lidar with on-chip calibration
    S. Chung, M. Nakai, S. Idres, Y. Ni, and H. Hashemi
    IEEE International Solid-State Circuits Conference (ISSCC) Digest of Technical Papers, February 2021.
  • Low-Power SiN thermo-optic phase modulator operating in red visible wavelength range
    S Idres and H Hashemi
    Conference on Lasers and Electro-Optics (CLEO), 2020
  • Electro-optical phase-locked loop generating linear frequency chirp for FMCW LiDAR
    K Kondo and H Hashemi
    Conference on Lasers and Electro-Optics (CLEO), 2020
  • Low-power thermo-optic silicon modulator geometrically optimized for photonic integrated circuits
    M Nakai, S Chung and H Hashemi
    Conference on Lasers and Electro-Optics (CLEO), 2020
  • mm-wave mixer-first receiver with passive elliptic low-pass filter
    P Song and H Hashemi
    IEEE Radio Frequency Integrated Circuits (RFIC) Symposium Digest, 2020
    • Geometric loss reduction in tight bent waveguides for silicon photonics [pdf]
      M Nakai, T Nomura, S Chung, and H Hashemi
      Conference on Lasers and Electro-Optics, May 2018
    • Extending modulation bandwidth of SOI thermo-optic phase shifters through digital pre-emphasis [pdf]
      S Chung, H Hashemi
      Conference on Lasers and Electro-Optics, May 2018
    • A direct delta-sigma receiver with current-mode digitally-synthesized frequency-translated RF filtering [pdf]
      S Subramanian, H Hashemi
      IEEE Radio Frequency Integrated Circuits (RFIC) Symposium, June 2018
    • Poly-crystalline silicon waveguide devices on hollow deep trench isolation in standard foundry bulk silicon process [pdf]
      S Chung, M Nakai, E Preisler, H Hashemi
      Optical Fiber Communication (OFC) Conference, March 2018
    • A 13th-order CMOS reconfigurable RF BPF with adjustable transmission zeros for SAW-less SDR receivers [pdf]
      P Song, H Hashemi
      IEEE International Solid-State Circuits Conference, February 2018
    • An 8-element common-mode-coupled 106 GHz fundamental oscillator with -111 dBc/Hz phase noise at 1 MHz offset [pdf]
      A Imani, H Hashemi
      IEEE Radio Frequency Integrated Circuits Symposium, June 2017
    • Waveform engineering in a mm-wave SiGe HBT stacked class-K power amplifier [pdf]
      K Datta, H Hashemi
      IEEE Radio Frequency Integrated Circuits Symposium, June 2017
    • Millimeter-wave power amplifiers and transmitters [pdf]
      H Hashemi
      IEEE Custom Integrated Circuits Conference, April 2017
    • A 1024-element scalable optical phased array in 0.18 um SOI CMOS [pdf]
      SW Chung, H Abediasl, H Hashemi
      IEEE International Solid-State Circuits Conference, February 2017
    • Wideband mm-wave phase shifters based on constant-impedance tunable transmission lines [pdf]
      P Song, H Hashemi
      IEEE International Microwave Symposium, May 2016
    • Analysis and synthesis of passive coupled-switched-capacitor-resonator-based RF filters [pdf]
      R Chen, H Hashemi
      IEEE International Symposium on Circuits and Systems, May 2016
    • A dual-channel 60 GHz communications link using patch antenna arrays to generate data-carrying orbital-angular-momentum beams [pdf]
      Z Zhao, Y Yan, L Li, G Xie, Y Ren, N Ahmed, Z Wang, C Liu, AJ Willner, P Song, H Hashemi, H Yao, DMacfarlane, R Henderson, N Ashrafi, S Ashrafi, S Talwar, S Sajuyigbe, M Tur, AF Molisch, AE Willner
      IEEE International Conference on Communications, May 2016
    • A 200 MSPS reconfigurable ADC with adjacent channel narrowband blocker resiliency [pdf]
      S Subramanian, H Hashemi
      IEEE Radio Frequency Integrated Circuits Symposium, May 2016
    • Passive coupled-switched-capacitor-resonator-based reconfigurable RF front-end filters and duplexers [pdf]
      R Chen, H Hashemi
      IEEE Radio Frequency Integrated Circuits Symposium, May 2016
    • 75-105 GHz switching power amplifiers using high-breakdown, high-f max multi-port stacked transistor topologies [pdf]
      K Datta, H Hashemi
      IEEE Radio Frequency Integrated Circuits Symposium, May 2016
    • RF-inspired silicon photonics: beamforming at optical frequencies [pdf]
      H Abediasl, H Hashemi
      IEEE Topical Meeting on Silicon Monolithic Integrated Circuits in RF Systems, January 2016
    • Event-driven implantable neural recording integrated system using level-crossing detectors [pdf]
      Z Safarian, H Hashemi
      IEEE Biomedical Circuits and Systems Conference, October 2015
    • A 3.9 mW, 35-44/41-59.5 GHz distributed injection locked frequency divider [pdf]
      A Imani, H Hashemi
      IEEE Custom Integrated Circuits Conference, September 2015 (Best Student Paper Award, 1st Place)
    • Experimental demonstration of nanosecond-accuracy wireless network synchronization [pdf]
      M Segura, S Niranjayan, H Hashemi, AF Molisch
      IEEE International Conference on Communications, June 2015
    • Reconfigurable SDR receiver with enhanced front-end frequency selectivity suitable for intra-band and inter-band carrier aggregation [pdf]
      R Chen, H Hashemi
      IEEE International Solid-State Circuits Conference, February 2015
    • A 29dBm 18.5% peak PAE mm-Wave digital power amplifier with dynamic load modulation [pdf]
      K Datta, H Hashemi
      IEEE International Solid-State Circuits Conference, February 2015
    • Watt-level mm-wave digital polar transmitters using switching power amplifiers in SiGe HBT [pdf]
      H Hashemi, K Datta
      IEEE International Microwave and RF Conference, December 2014
    • Reconfigurable blocker-resilient receiver with concurrent dual-band carrier aggregation [pdf]
      R Chen, H Hashemi
      IEEE Custom Integrated Circuits Conference, September 2014
    • A mm-wave Class-E 1-bit power modulator [pdf]
      K Datta, H Hashemi
      IEEE Custom Integrated Circuits Conference, September 2014
    • A 50 MHz-6 GHz, 2×2 MIMO, reconfigurable architecture, software-defined radio in 130nm CMOS [pdf]
      B Analui, T Mercer, S Mandegaran, A Goel, H Hashemi
      IEEE Radio Frequency Integrated Circuits Symposium, June 2014
    • A 0.5-6 GHz 25.6 dBm fully integrated digital power amplifier in 65-nm CMOS [pdf]
      H Wang, H Hashemi
      IEEE Radio Frequency Integrated Circuits Symposium, June 2014
    • An 800 MSPS quadrature DDFS and integrated nonlinear DAC-filter with <15 ns instantaneous frequency hopping time [pdf]
      S Subramanian, H Hashemi
      IEEE International Microwave Symposium, June 2013 (Best Student Paper Award, 2nd Place)
    • A triple-stacked class-E mm-wave SiGe HBT power amplifier [pdf]
      K Datta, J Roderick, H Hashemi
      IEEE International Microwave Symposium, June 2013
    • Electronic laser phase noise reduction [pdf]
      F Aflatouni, B Abiri, A Rekhi, H Abediasl, H Hashemi, A Hajimiri
      IEEE Radio Frequency Integrated Circuits Symposium, June 2013
    • A low-noise FBAR-CMOS frequency/phase discriminator for phase noise measurement and cancellation [pdf]
      A Imani, H Hashemi
      IEEE Radio Frequency Integrated Circuits Symposium, June 2013
    • Analysis, design and implementation of mm-Wave SiGe stacked Class-E power amplifiers [pdf]
      K Datta, J Roderick, H Hashemi
      IEEE Radio Frequency Integrated Circuits Symposium, June 2013
    • A 0.5-to-3 GHz software-defined radio receiver using sample domain signal processing [pdf]
      R Chen, H Hashemi
      IEEE Radio Frequency Integrated Circuits Symposium, June 2013 (Best Student Paper Award, 3rd Place)
    • An uwb cmos impulse radar [pdf]
      C Du, H Hashemi
      IEEE Radio Frequency Integrated Circuits Symposium, June 2013
    • Hardware-driven compressive sampling for fast target localization using single-chip UWB radar sensor [pdf]
      S Lee, C Du, H Hashemi, A Ortega
      IEEE International Conference on Acoustics, Speech and Signal Processing, May 2013
    • A 22.4 dBm two-way Wilkinson power-combined Q-band SiGe class-E power amplifier with 23% peak PAE [pdf]
      K Datta, J Roderick, H Hashemi
      IEEE Compound Semiconductor Integrated Circuit Symposium, October 2012
    • A 20 dBm Q-band SiGe Class-E power amplifier with 31% peak PAE [pdf]
      K Datta, J Roderick, H Hashemi
      IEEE Custom Integrated Circuits Conference, September 2012
    • Passive subharmonic generation using LC-oscillators [pdf]
      Z Safarian, H Hashemi
      IEEE International Microwave Symposium, June 2012
    • An electronically controlled semiconductor laser phased array [pdf]
      F Aflatouni, H Hashemi
      IEEE International Microwave Symposium, June 2012
    • Light source independent linewidth reduction of lasers [pdf]
      F Aflatouni, H Hashemi
      Optical Fiber Communication Conference and Exposition and the National Fiber Optic Engineers Conference, March 2012
    • UWB human detection radar system: A RF CMOS chip and algorithm integrated sensor [pdf]
      SH Chang, T-S Chu, J Roderick, C Du, T Mercer, JW Burdick, H Hashemi
      IEEE International Conference on Ultra-Wideband, September 2011
    • A wirelessly-powered passive RF CMOS transponder with dynamic energy storage and sensitivity enhancement [pdf]
      Z Safarian, H Hashemi
      IEEE Radio Frequency Integrated Circuits Symposium, June 2011
    • A 130nm CMOS 100Hz-6GHz reconfigurable vector signal analyzer and software-defined receiver [pdf]
      A Goel, B Analui, H Hashemi
      IEEE Radio Frequency Integrated Circuits Symposium, June 2011
    • A short-range UWB impulse-radio CMOS sensor for human feature detection [pdf]
      T-S Chu, J Roderick, SH Chang, T Mercer, C Du, H Hashemi
      IEEE International Solid-State Circuits Conference, February 2011
    • Experimental demonstration of self-localized ultra wideband indoor mobile robot navigation system [pdf]
      M Segura, H Hashemi, C Sisterna, V Mut
      International Conference on Indoor Positioning and Indoor Navigation, September 2010
    • A 4-channel 4-beam 24-to-26GHz spatio-temporal RAKE radar transceiver in 90nm CMOS for vehicular radar applications [pdf]
      H Krishnaswamy, H Hashemi
      IEEE International Solid-State Circuits Conference, February 2010
    • A true time-delay-based bandpass multi-beam array at mm-waves supporting instantaneously wide bandwidths [pdf]
      T-S Chu, H Hashemi
      IEEE International Solid-State Circuits Conference, February 2010
    • A low power Ka-band receiver front-end in 0.13 um SiGe BiCMOS for space transponders [pdf]
      F Aflatouni, H Hashemi
      IEEE Compound Semiconductor Integrated Circuit Symposium, October 2009
    • Phase noise in a synchronized concurrent dual-frequency oscillator [pdf]
      A Goel, H Hashemi
      IEEE Custom Integrated Circuits Conference, September 2009
    • Challenges and opportunities in ultra-wideband antenna-array transceivers for imaging [pdf]
      H Krishnaswamy, H Hashemi
      IEEE International Conference on Ultra-Wideband, September 2009
    • A 1.8 mW wideband 57dB-Ohm transimpedance amplifier in 0.13 um CMOS [pdf]
      F Aflatouni, H Hashemi
      IEEE Radio Frequency Integrated Circuits Symposium, June 2009
    • A 0.13 um CMOS power amplifier with ultra-wide instantaneous bandwidth for imaging applications [pdf]
      J Roderick, H Hashemi
      IEEE International Solid-State Circuits Conference, February 2009
    • A 1.3-6 GHz triple-mode CMOS VCO using coupled inductors [pdf]
      Z Safarian, H Hashemi
      IEEE Custom Integrated Circuits Conference, September 2008
    • A 0.13 um CMOS 4-channel UWB timed array transmitter chipset with sub-200ps switches and all-digital timing circuitry [pdf]
      Z Safarian, TS Chu, H Hashemi
      IEEE Radio Frequency Integrated Circuits Symposium, June 2008
    • Application of optical phase lock loops in coherent beam combining [pdf]
      W Liang, N Satyan, F Aflatouni, A Yariv, A Kewitsch, G Rakuljic, H Hashemi
      SPIE Proceedings, February 2008
    • A CMOS UWB camera with 7×7 simultaneous active pixels [pdf]
      T-S Chu, H Hashemi
      IEEE International Solid-State Circuits Conference, February 2008
    • A heterodyne phase locked loop with GHz acquisition range for coherent locking of semiconductor lasers in 0.13 um CMOS [pdf]
      F Aflatouni, O Momeni, H Hashemi
      IEEE Custom Integrated Circuits Conference, September 2007
    • A 4-channel 24-27 GHz UWB phased array transmitter in 0.13 um CMOS for vehicular radar [pdf]
      H Krishnaswamy, H Hashemi
      IEEE Custom Integrated Circuits Conference, September 2007
    • Regenerative frequency divider with synchronous fractional outputs [pdf]
      O Momeni, K Sengupta, H Hashemi
      IEEE Radio Frequency Integrated Circuits Symposium, June 2007
    • A rigorous phase noise analysis of tuned ring oscillators [pdf]
      H Krishnaswamy, H Hashemi
      IEEE Radio and Wireless Symposium, April 2007
    • A 4-channel UWB beam-former in 0.13 um CMOS using a path-sharing true-time-delay architecture [pdf]
      T-S Chu, J Roderick, H Hashemi
      IEEE International Solid-State Circuits Conference, February 2007
    • A fully integrated 24GHz 4-channel phased-array transceiver in 0.13 um CMOS based on a variable-phase ring oscillator and PLL architecture [pdf]
      H Krishnaswamy, H Hashemi
      IEEE International Solid-State Circuits Conference, February 2007 (Lewis Winner Award for Outstanding Paper)
    • Maximum frequency of operation of CMOS static frequency dividers: theory and design techniques [pdf]
      K Sengupta, H Hashemi
      IEEE International Conference on Electronics, Circuits and Systems, October 2006
    • Inductor-and transformer-based integrated RF oscillators: a comparative study [pdf]
      H Krishnaswamy, H Hashemi
      IEEE Custom Integrated Circuits Conference, September 2006
    • A 4-bit ultra-wideband beamformer with 4ps true time delay resolution [pdf]
      JD Roderick, H Krishnaswamy, K Newton, H Hashemi
      IEEE Custom Integrated Circuits Conference, September 2005
    • A 26 GHz coplanar stripline-based current sharing CMOS oscillator [pdf]
      H Krishnaswamy, H Hashemi
      IEEE Radio Frequency Integrated Circuits Symposium, June 2005