Publication

Book Chapters

Wooram Lee and Bodhisatwa Sadhu, “Silicon-Based Millimeter-Wave Phased Arrays” in Encyclopedia of RF and Microwave Engineering, Wiley (to be published).

Journal Publications

  1. Mohammadreza Abbasi and Wooram Lee, ” Integrated True-time Delay Design for mmWave and sub-THz Beamfomers,” to appear in IEEE Microwave Magazine, 2024. (DOI:10.1109/MMM.2024.3484934)
  2. Syed Mohammad Ashab Uddin and Wooram Lee “Design and Implementation of a D-band Bi-Directional Common-Gate Amplifier in 45-nm RFSOI,” to appear in IEEE Journal of Solid-state Circuits, 2024. (DOI:10.1109/JSSC.2024.3504358)
  3. Colin A. Mussman, Syed Mohammed Ashab Uddin,  Wooram Lee, Gregory H. Huff, and Douglas H. Werner, “Inverse-design of Scalable Wideband Aperiodic Array Topologies with Realistic Element Patterns Accelerated via a Surrogate Directivity Model” submitted to IEEE Transactions on Antennas and Propagation, 2024.
  4. Mohammadreza Abbasi, Tanya Thapliyal, Syed Mohammad Ashab Uddin, Wooram Lee “A 114-126-GHz Frequency Doubler with >10 dBm Output Power and >12 % Efficiency in 45nm RFSOI”, IEEE Microwave and Wireless Components Letters, 34(9), 1107-1110, 2024.
  5. Wooram Lee, Caglar Ozdag, Jean-Olivier Plouchart, Alberto Valdes-Garcia, and Bodhisatwa Sadhu, “A 24 to 30-GHz Phased Array Transceiver Front End With 2.8 to 3.1-dB RX NF and 22 to 24% TX Peak Efficiency”, IEEE Journal of Solid-state Circuits, 59(9), 2788-2804, 2024.
  6. Mohammadreza Abbasi and Wooram Lee “A Low-Loss Passive D-Band Phase Shifter for Calibration-Free, Precise Phase Control,” IEEE Journal of Solid-state Circuits (invited, RFIC2023 special issue), 59(5), 1371-1380, 2024.
  7.  Chihiro Kamidaki, Yuma Okuyama, Tatsuo Kubo, Wooram Lee, Caglar Ozdag, Bodhisatwa Sadhu, Yo Yamaguchi, Ning Guan “A 24-30 GHz Power Amplifier with >20-dBm Psat and <0.1-dB AM-AM Distortion for 5G Applications in 130-nm SiGe BiCMOS,” IEICE Transactions on Electronics, vol. E106-C, no. 11, Nov. 2023 (invited).
  8. Liwen Zhong, Mohammadreza Abbasi, Syed Mohammad Ashab Uddin, Wooram Lee, “Broadband Frequency-domain Analog Processor for Spectrum Sensing with> 20 GHz Scan Range”, IEEE Transactions on Circuits and Systems II: Express Briefs, vol. 70, Issue: 5, 1759 – 1763, 2023 (invited)
  9. Bodhisatwa Sadhu, Arun Paidimarri, Duixian Liu, Mark Yeck, Caglar Ozdag, Yujiro Tojo, Wooram Lee, Xiaoxiong Gu, Jean-Olivier Plouchart, Yusuke Uemichi, Sudipto Chakraborty, Yo Yamaguchi, Ning Guan, Alberto Valdes-Garcia, “A 24-30-GHz 256-Element Dual-Polarized 5G Phased Array Using Fast On-Chip Beam Calculators and Magnetoelectric Dipole Antennas”, IEEE Journal of Solid-state Circuits (invited), 57(12), 3599-3616, 2022.
  10. Wooram Lee and Alberto Valdes-Garcia, “W-band SiGe Frequency Doubler with Optimum Harmonic Termination for 14% Efficiency,” IEEE Microwave and Wireless Components Letters, 31(3), 272-275, 2021

Before Joining PSU

  1. Wooram Lee, Tolga Dinc, and Alberto Valdes-Garcia, “Multi-Mode 60-GHz Radar Transmitter SoC in 45-nm SOI CMOS,” IEEE Journal of Solid-state Circuits 55(5), 1187-1198, 2020 (invited)
  2. Wooram Lee and Alberto Valdes-Garcia, “Continuous True-Time Delay Phase Shifter Using Distributed Inductive and Capacitive Miller Effect,” IEEE Transactions on Microwave Theory and Techniques 67(7), 3053 – 3063, 2019
  3. Wooram Lee, Jean-Olivier Plouchart, Caglar Ozdag, Yigit Aydogan, Mark Yeck, Alper Cabuk, Asim Kepkep, Scott Reynolds, Emre Apaydin, and Alberto Valdes-Garcia, “Fully Integrated 94-GHz Dual-Polarized TX and RX Phased Array Chipset in SiGe BiCMOS Operating up to 105 °C”, IEEE Journal of Solid-State Circuits 53(9), 2512–2531, 2018(invited)
  4. Wooram Lee, and Ehsan Afshari, “A CMOS noise-squeezing amplifier”, IEEE Transactions on Microwave Theory and Techniques 60(2), 329–339, 2012
  5. Wooram Lee, Muhammad Adnan, Omeed Momeni, Ehsan Afshari, “A nonlinear lattice for high-amplitude picosecond pulse generation in CMOS”, IEEE Transactions on Microwave Theory and Techniques 60(2), 370–380, 2012
  6. Wooram Lee, and Ehsan Afshari, “Low-noise parametric resonant amplifierS”, IEEE Transactions on Circuits and Systems I: Regular Papers, 58(3), 479–492, 2011
  7. Harish S Bhat, Wooram Lee, Georgios N Lilis, and Ehsan Afshari, “Steady-state perturbative theory for nonlinear circuits”, Journal of Physics A: Mathematical and Theoretical 43(20), 205101, IOP Publishing, 2010
  8. Wooram Lee, and Ehsan Afshari, “Distributed parametric resonator: A passive CMOS frequency divider”, IEEE Journal of Solid-State Circuits, 45(9), 1834–1844, 2010
  9. Georgios N Lilis, Jihyuk Park, Wooram Lee, Guansheng Li, Harish S Bhat, Ehsan Afshari, “Harmonic generation using nonlinear LC lattices”, IEEE Transactions on Microwave Theory and Techniques, 58(7), 1713–1723, 2010
  10. Paul K. J. Park, S. B. Jun, Hoon Kim, D. K. Jung, W.R. Lee, and Y. C. Chung, “Reduction of polarization-induced performance degradation in WDM PON utilizing MQW-SLDbased broadband source”, Optics Express, vol. 15, issue 21, pp. 14228-14233, 2007
  11. Wooram Lee, Seung Hyun Cho, Mahn Young Park, Jie hyun Lee, Chulyoung Kim, Geon Jeong, and Byoung Whi Kim, “Frequency Detuning Effects in the Loop-Back WDMPON Employing Gain-Saturated RSOAs,” IEEE Photon. Technol. Lett., vol. 18, pp.1436-1438, 2006
  12. Wooram Lee, Seung Hyun Cho, Mahn Young Park, Jie hyun Lee, Chulyoung Kim, Geon Jeong, and Byoung Whi Kim,, “Wavelength Filter Detuning for Improved Carrier Reuse in Loop-Back WDM-PON,” IEE Electron. Lett., vol. 42, pp. 596-597, 2006
  13. Geon Jeong, Jie Hyun Lee, Mahn Young Park, Cheol Young Kim, Seung Hyun Cho, Wooram Lee, and Byoung Whi Kim, “Over 26 nm Wavelength Tunable External Cavity Laser Based on Polymer Waveguide Platforms for WDM Access Networks,” IEEE Photon. Technol. Lett., vol. 18, pp. 2102-2104, 2006
  14. Wooram Lee, Mahn Young Park, Seung Hyun Cho, Jihyun Lee, Chulyoung Kim, Geon Jeong, and Byoung Whi Kim,, “Bidirectional WDM-PON Based on Gain-Saturated Reflective Semiconductor Optical Amplifiers,” IEEE Photon. Technol. Lett., vol. 17, pp. 2460-2462, 2005.
  15. Jie Hyun Lee, Mahn Young Park, Cheol Young Kim, Seung Hyun Cho, Wooram Lee, Geon Jeong, and Byoung Whi Kim,, “Tunable External Cavity Laser Based on Polymer Waveguide Platform for WDM Access Network,” IEEE Photon. Technol. Lett., vol.17, pp. 1956-1958, 2005.

Papers and Presentations in Refereed Conference Proceedings

  1. Syed Mohammad Ashab Uddin, Mohammadreza Abbasi, Liwen Zhong, and Wooram Lee, “Circuit Innovations for D-band Phased Array Transceivers (Invited),” 2024 IEEE International Midwest Symposium on Circuits and Systems (MWSCAS)
  2. Syed Mohammad Ashab Uddin, Liwen Zhong, Wooram Lee “A D-band Bi-directional Current-Reuse Common-Gate Amplifier in 45nm RFSOI”, 2024 IEEE Radio Frequency Integrated Circuits Symposium (RFIC).
  3. Mohammadreza Abbasi and Wooram Lee “A D-band Calibration-Free Passive 360° Phase Shifter With 1.2° RMS Phase Error in 45 nm RFSOI,” 2023 IEEE Radio Frequency Integrated Circuits Symposium (RFIC).(Best Student Paper Award, 1st place)
  4. Liwen Zhong, Mohammadreza Abbasi, Syed Mohammad Ashab Uddin, Wooram Lee, “Broadband Frequency-domain Analog Processor for Spectrum Sensing with> 20 GHz Scan Range”, 2023 IEEE International Symposium on Circuits and Systems (ISCAS).  (NSF travel grant award)
  5. Chihiro Kamidaki, Yuma Okuyama, Tatsuo Kubo, Wooram Lee, Caglar Ozdag, Bodhisatwa Sadhu, Yo Yamaguchi and Ning Guan, “A 24-30 GHz Power Amplifier with >20 dBm Psat and <0.1 dB AM-AM Distortion for 5G Applications”, 2022 Asia-Pacific Microwave Conference (APMC).(APMC2022 Prize)
  6. Colin Mussman, Wooram Lee, Gregory Huff, and Douglas Werner, “A Scalable Aperiodic RFIC Phased-Array Topology for the mmWave Spectrum”, 2022 IEEE International Symposium on Antennas and Propagation.(Best student paper finalist)
  7. Bodhisatwa Sadhu, Arun Paidimarri, Wooram Lee, Caglar Ozdag, Mark Yeck, Xiaoxiong Gu, Yujiro Tojo, Jean-Olivier Plouchart, Yusuke Uemichi, Sudipto Chakraborty, Yo Yamaguchi, Ning Guan, Alberto Valdes-Garcia, “A 24-30-GHz 256-Element Dual-Polarized 5G Phased Array with Fast Beam-switching Support for >30,000 Beams” , 2022 IEEE Intl. Solid-State Circuit Conf. (ISSCC)
  8. Arun Paidimarri, Masayuki Yoshiyama, Jean-Olivier Plouchart, Alberto Valdes-Garcia, Wooram Lee, Yuma Okuyama, Mark Yeck, Caglar Ozdag, Sudipto Chakraborty, Yo Yamaguchi, Bodhisatwa Sadhu1, “A High-Linearity, 24–30GHz RF, Beamforming and Frequency-Conversion IC for Scalable 5G Phased Arrays”, 2021 IEEE Radio Frequency Integrated Circuits Symposium (RFIC).

Before Joining PSU

  1. Wooram Lee, “A 48-79 GHz Low-Noise Amplifier with Broadband Phase-Invariant Gain Control in 45nm SOI CMOS”, 2019 IEEE BiCMOS and Compound semiconductor Integrated Circuits and Technology Symposium (BCICTS)
  2. Jean-Olivier Plouchart, Xiaoxiong Gu, Wooram Lee, Asaf Tzadok, Duixian Liu, Huijian Liu, Mark Yeck, Christian Baks, Alberto Valdes-Garcia, “Si-Based 94-GHz Phased Array Transmit and Receive Modules for Real-Time 3D Radar Imaging”, 2019 IEEE/MTT-S International Microwave Symposium(IMS).(Best industry paper finalist)
  3. Wooram Lee, Tolga Dinc, Alberto Valdes-Garcia, “Reconfigurable 60-GHz Radar Transmitter SoC with Broadband Frequency Tripler in 45nm SOI CMOS”, 2019 IEEE Radio Frequency Integrated Circuits Symposium (RFIC). (Best industry paper award, 2nd  place)
  4. Daniel Kuchta, Jonathan Proesel, Fuad Doany, Wooram Lee, Timothy Dickson, Herschel Ainspan, Mounir Meghelli, Petar Pepeljugoski, Xiaoxiong Gu, Michael Beakes, Mark Schultz, Marc Taubenblatt, Paul Fortier, Catherine Dufort, Eric Turcotte, Marc-Olivier Pion, Charles Bureau, Frank Flens, Greta Light, Blake Trekell, Kevin Koski, “Multi-wavelength Optical Transceivers Integrated on Node (MOTION)”, Optical Fiber Communication Conference (OFC) 2019.
  5. Xiaoxiong Gu, Duixian Liu, Chris Baks, Jean-Olivier Plouchart, Wooram Lee and Alberto Valdes-Garcia, “An enhanced 64-element dual-polarization antenna array package for W-band communication and imaging applications”, 2018 IEEE 68th Electronic Components and Technology Conference (ECTC).
  6. Wooram Lee and Alberto Valdes-Garcia, “Tunable Delay Line Using Distributed Inductive/Capacitive Miller Effect”, 2018 IEEE/MTT-S International Microwave Symposium-IMS.
  7. Wooram Lee, and Caglar Ozdag, Yigit Aydogan, and Jean-Olivier Plouchart, Mark Yeck, Alper Cabuk, Asim Kepkep, Emre Apaydin, and Alberto Valdes-Garcia, “A fully-integrated 94-GHz 16-element dual-output phased-array transmitter in SiGe BiCMOS with PSAT> 6.5 dBm up to 105°C”, 2017 Compound Semiconductor Integrated Circuit Symposium (CSICS)
  8. Jean-Olivier Plouchart, Wooram Lee, Caglar Ozdag, Yigit Aydogan, MArk Yeck, Mark, Alper Cabuk, Asim Kepkep, Emre Apaydin, and Alberto Valdes-Garcia, “A fully-integrated 94-GHz 32-element phased-array receiver in SiGe BiCMOS”, 2017 IEEE Radio Frequency Integrated Circuits Symposium (RFIC)
  9. Guansheng Li, Wooram Lee, Delong Cui, Bo Zhang, Afshin Momtaz, and Jun Cao, “Standing Wave Based Clock Distribution Technique with Application to a 10 × 11 Gbps Transceiver in 28 nm CMOS ” Proc. of IEEE ASSCC 2015, Xiamen, Fujian, China.
  10. Wooram Lee and Ehsan Afshari, “An 8 GHz, 0.45-dB NF CMOS LNA Employing Noise Squeezing,” Proc. of IEEE Radio Frequency Integrated Circuits (RFIC) Symposium 2011, Baltimore, Maryland, USA.
  11. Wooram Lee, Farid Amoozegar, and Ehsan Afshari, “Picosecond Pulse Generation on CMOS: Design Beyond Transistor Limits,” Proc. of IEEE Radar Conference 2009, Pasadena, California, USA (Best Student Paper Award and Travel Grant Award).
  12. Wooram Lee, Seung Hyun Cho, Mahn Young Park, , Jie Hyun Lee, Chulyoung Kim, Geon Jeong, and Byoung Whi Kim, “Optical Transceiver employing an RSOA with Feed-Forward Current Injection,” OFC2007, Anaheim, California, USA.
  13. Seung Hyun Cho, Wooram Lee, Mahn Young Park, Jie Hyun Lee, Chulyoung Kim, Geon Jeong, and Byoung Whi Kim, “Demonstration of Burst Amplified Uplink for RSOAbased WDM/TDM Hybrid PON Systems Using SOA as a Multi-Channel Preamplifier,” ECOC 2006, Cannes, France.
  14. Wooram Lee, Jaedong Park, and Byoung Whi Kim, “The Performance Analysis of ASE Injection-Locked FP-LD Over Injected Light Wavelengths,” OECC 2004, Yokohama, Japan.