UNIC

Publications

Journal Publication

  1. A. Sadeghi, S. M. H. Naghavi, M. Mozafari, and E. Afshari, “Nanoscale biomaterials for terahertz imaging: a non-invasive approach for early cancer detection,” Translational Oncology, Jan 2023.

  2. L. Chen, S. Nooshabadi, A. Cathelin and E. Afshari, "Variable-Phase-Shift Based High Data Rate Sub-THz FSK Transmitter Design: Theory and Implementation," in IEEE Transactions on Microwave Theory and Techniques, 2022.

  3. B. Hadidian, F. Khoeini, S. M. H. Naghavi, A. Cathelin and E. Afshari, "A 220-GHz Energy-Efficient High-Data-Rate Wireless ASK Transmitter Array," in IEEE Journal of Solid-State Circuits, vol. 57, no. 6, pp. 1623-1634, June 2022.

  4. F. Khoeini, B. Hadidian, K. Zhang and E. Afshari, "A Transimpedance-to-Noise Optimized Analog Front-End With High PSRR for Pulsed ToF Lidar Receivers," in IEEE Transactions on Circuits and Systems I: Regular Papers, vol. 68, no. 9, pp. 3642-3655, Sept. 2021.

  5. M. Fayazi, Z. Colter, E. Afshari and R. Dreslinski, "Applications of Artificial Intelligence on the Modeling and Optimization for Analog and Mixed-Signal Circuits: A Review," in IEEE Transactions on Circuits and Systems I: Regular Papers, vol. 68, no. 6, pp. 2418-2431, June 2021.

  6. L. Chen, F. Khoeini, Z. Khalifa, and E. Afshari, “A Novel Ultra-Fast Frequency Shift Mechanism for High Data-Rate Sub-THz Wireless Communications in CMOS,” Applied Physics Letters, 2021.

  7. F. Khoeini, B. Hadidian, K. Zhang and E. Afshari, "Reflection-Based Short Pulse Generation in CMOS," in IEEE Solid-State Circuits Letters, vol. 3, pp. 318-321, 2020.

  8. H. Aghasi, S. M. H. Naghavi, M. Tavakoli Taba, M. A. Aseeri, A. Cathelin, and E. Afshari, "Terahertz electronics: Application of wave propagation and nonlinear processes", Applied Physics Reviews 7, 021302, April 2020.

  9. M. Haghi Kashani, A. Tarkeshdouz, R. Molavi, A. Sheikholeslami, E. Afshari and S. Mirabbasi, "On the Design of a High-Performance mm-Wave VCO With Switchable Triple-Coupled Transformer," in IEEE Transactions on Microwave Theory and Techniques, vol. 67, no. 11, pp. 4450-4464, Nov. 2019.

  10. C. Jiang, M. Aseeri, A. Cathelin and E. Afshari, "A Fully On-Chip Frequency-Stabilization Mechanism for Terahertz Sources Eliminating Frequency Reference and Dividers," in IEEE Transactions on Microwave Theory and Techniques, May 2019.

  11. V. Pourahmad, F. Khoeini and E. Afshari, "A System of Two Coupled Oscillators With a Continuously Controllable Phase Shift," in IEEE Transactions on Circuits and Systems I: Regular Papers, vol. 66, no. 4, pp. 1531-1543, April 2019.

  12. A. Mostajeran et al., "A High-Resolution 220-GHz Ultra-Wideband Fully Integrated ISAR Imaging System," in IEEE Transactions on Microwave Theory and Techniques, vol. 67, no. 1, pp. 429-442, Jan. 2019.

  13. H. Aghasi and E. Afshari, "An 88-GHz Compact Fundamental Oscillator With 19.4% DC-to-RF Efficiency and 7.5-dBm Output Power in 130-nm SiGe BiCMOS," in IEEE Solid-State Circuits Letters, vol. 1, no. 5, pp. 106-109, May 2018.

  14. A. Tarkeshdouz, A. Mostajeran, S. Mirabbasi and E. Afshari, "A 91-GHz Fundamental VCO With 6.1% DC-to-RF Efficiency and 4.5 dBm Output Power in 0.13- $\mu$ m CMOS," in IEEE Solid-State Circuits Letters, vol. 1, no. 4, pp. 102-105, April 2018.

  15. H. Khatibi, S. Khiyabani and E. Afshari, "A 183 GHz Desensitized Unbalanced Cascode Amplifier With 9.5-dB Power Gain and 10-GHz Band Width and −2 dBm Saturation Power," in IEEE Solid-State Circuits Letters, vol. 1, no. 3, pp. 58-61, March 2018.

  16. H. Khatibi, S. Khiyabani and E. Afshari, "A 173 GHz Amplifier With a 18.5 dB Power Gain in a 130 nm SiGe Process: A Systematic Design of High-Gain Amplifiers Above fmax/2," in IEEE Transactions on Microwave Theory and Techniques, vol. 66, no. 1, pp. 201-214, Jan. 2018.

  17. V. Pourahmad, S. Manipatruni, D. Nikonov, I. Young and E. Afshari, "Nonboolean Pattern Recognition Using Chains of Coupled CMOS Oscillators as Discriminant Circuits," in IEEE Journal on Exploratory Solid-State Computational Devices and Circuits, vol. 3, pp. 1-9, Dec. 2017.

  18. H. Khatibi, S. Khiyabani and E. Afshari, "An Efficient High-Power Fundamental Oscillator Above fmax/2 : A Systematic Design," in IEEE Transactions on Microwave Theory and Techniques, vol. 65, no. 11, pp. 4176-4189, Nov. 2017.

  19. A. Mostajeran, A. Cathelin and E. Afshari, "A 170-GHz Fully Integrated Single-Chip FMCW Imaging Radar with 3-D Imaging Capability," in IEEE Journal of Solid-State Circuits, vol. 52, no. 10, pp. 2721-2734, Oct. 2017.

  20. C. Jiang, A. Cathelin and E. Afshari, "A High-Speed Efficient 220-GHz Spatial-Orthogonal ASK Transmitter in 130-nm SiGe BiCMOS," in IEEE Journal of Solid-State Circuits, vol. 52, no. 9, pp. 2321-2334, Sept. 2017.

  21. A. Mostajeran, M. Emadi, A. Cathelin and E. Afshari, "A compact ultra-wide-band frequency divider with a locking range of 12–61 GHz with 0dBm of input power," 2017 IEEE MTT-S International Microwave Symposium (IMS), Honololu, HI, 2017, pp. 961-964.

  22. H. Aghasi, A. Cathelin and E. Afshari, "A 0.92-THz SiGe Power Radiator Based on a Nonlinear Theory for Harmonic Generation," in IEEE Journal of Solid-State Circuits, vol. 52, no. 2, pp. 406-422, Feb. 2017.

  23. C. Jiang et al., "A Fully Integrated 320 GHz Coherent Imaging Transceiver in 130 nm SiGe BiCMOS," in IEEE Journal of Solid-State Circuits, vol. 51, no. 11, pp. 2596-2609, Nov. 2016.

  24. R. Han et al., "A SiGe Terahertz Heterodyne Imaging Transmitter With 3.3 mW Radiated Power and Fully-Integrated Phase-Locked Loop," in IEEE Journal of Solid-State Circuits, vol. 50, no. 12, pp. 2935-2947, Dec. 2015.

  25. S. Saadat, H. Aghasi, E. Afshari and H. Mosallaei, "Low-Power Negative Inductance Integrated Circuits for GHz Applications," in IEEE Microwave and Wireless Components Letters, vol. 25, no. 2, pp. 118-120, Feb. 2015.

  26. R. Han, C. Jiang, A. Mostajeran, M. Emadi, H. Aghasi, H. Sherry, A. Cathelin, and E. Afshari, "A 320GHz Phase-Locked Transmitter with 3.3mW Radiated Power and 22.5dBm EIRP for Heterodyne THz Imaging Systems," invited to the special issue of the IEEE Journal of Solid-State Circuits, Dec. 2015.

  27. M. Emadi and E. Afshari, "DOA Estimation Using Orthogonal Matching Pursuit in Various Array Configurations," submitted to the IEEE Transactions on Signal Processing , 2015.

  28. H. Aghasi, R. Mousavi Iraei, A. Naeemi and E. Afshari "An All-Spin Efficient Non-Boolean Pattern Recognition," submitted to IEEE Transactions on Nanotechnology, Dec 2014.

  29. Y. Tousi and E. Afshari, "A Scalabale Terahertz 2-D Phased Array," IEEE Journal of Solid-State Circuits, Feb. 2015.

  30. E. Afshari, R. Han and Y. Tousi, "Filling the Gap with Sand: When Terahertz Meets CMOS," invited to the IEEE Microwave Magazine, 2014.

  31. S. Saadat, H. Aghasi, H. Mosallaei, and E. Afshari, "Low Power Negative Inductance Integrated Circuit for GHz applications," IEEE Microwave and Wireless Components Letters, Feb. 2015.

  32. M. Adnan and E. Afshari, "A Passively Coupled Harmonic VCO Topology with High Output Power and Efficiency," submitted to the IEEE Journal of Solid-State Circuits, 2014.

  33. M. Adnan and E. Afshari, "Efficient Microwave & Millimeter-Wave Frequency Multipliers using Nonlinear Passive Resonators," submitted to the IEEE Transactions on Microwave Theory and Techniques, 2014.

  34. M. Adnan and E. Afshari, "A 105GHz VCO with 9.5% Tuning range and 2.8mW Peak Output Power in a 65nm Bulk CMOS Process," invited to the special issue of the IEEE Transactions on Microwave Theory and Techniques, March 2014.

  35. R. Han, Y. Zhang, Y. Kim, D. Y. Kim, H. Shichijo, E. Afshari, and K. K. O, "Active Terahertz Imaging Using Schottky Diodes in CMOS: Array and 860-GHz Pixel," IEEE Journal of Solid-State Circuits, Oct. 2013.

  36. S. Saadat, H. Mosallaei, and E. Afshari, "Radiation-Ecient 60 GHz On-Chip Dipole Antenna Realised by Reactive Impedance Metasurface," IET Microwaves, Antennas & Propagation, vol. 7, issue 2, July 2013.

  37. S. Saadat, M. Adnan H. Mosallaei, and E. Afshari, "Composite Metamaterial and Meta- surface Integrated With Non-Foster Active Circuit Elements: A Bandwidth-Enhancement Investigation," IEEE Transactions on Antennas and Propagation, vol. 61, issue 3, March 2013.

  38. R. Han and E. Afshari, "A CMOS High-Power Broadband 260-GHz Radiator Array for Spectroscopy," invited to the special issue of the IEEE Journal of Solid-State Circuits, Dec. 2013.

  39. R. Han and E. Afshari, "High-Power Broadband THz Source Design in CMOS: A Passive THz Frequency Doubler," to appear in the Special Issue for RFIC, IEEE Trans. on Microwave Theory and Techniques (T-MTT), 2013.

  40. Y. Tousi, O. Momeni, and E. Afshari, "A Novel CMOS High-Power Terahertz VCO Based on Coupled Oscillators: Theory and Implementation," invited to the special issue of the IEEE Journal of Solid-State Circuits, vol. 47, no. 12, Dec. 2012.

  41. R. Han, Y. Zhang, Y. Kim, D. Y. Kim, H. Shichijo, E. Afshari, and K. K. O, "Terahertz CMOS Image Sensors Using Schottky Barrier Diodes for Lens-less Portable Applications," submitted to IEEE Journal of Solid-State Circuits, 2012.

  42. S. Saadat, M. Adnan, H. Mosallaei and E. Afshari, "A Loop-Based Composite MetaMaterial Integrated with Non-Foster Active Circuit Elements: A Bandwidth-Enhancement Investigation" to appear in IEEE Transactions on Electron Devices, Dec. 2012.

  43. Y. Tousi, V. Pourahmad, and E. Afshari, "Delay Coupled Oscillators for Frequency Tuning of Solid-State Terahertz Sources," Physical Review Letters, June 2012.

  44. G. Li and E. Afshari, "A Low-Phase-Noise Wide-Tuning-Range Oscillator Based on Resonant Mode Switching," IEEE Journal of Solid-State Circuits, vol. 47, no. 6, June 2012.

  45. W. Lee, M. Adnan, O. Momeni, and E. Afshari, "A Nonlinear Lattice for High Amplitude, Picosecond Pulse Generation in CMOS," IEEE Transactions on Microwave Theory and Techniques, vol. 60, no. 2, Feb. 2012.

  46. W. Lee and E. Afshari, "A CMOS Noise Squeezing Amplifier," IEEE Transactions on Microwave Theory and Techniques, vol. 60, no. 2, Feb. 2012.

  47. S. Saadat, M. Adnan, H. Mosallaei, and E. Afshari, "A Loop-Based Composite Metamaterial Integrated with Non-Foster Active Circuit Elements: A Bandwidth-Enhancement Investigation" submitted to IEEE Transactions on Electron Devices, 2011.

  48. O. Momeni and E. Afshari, "High Power millimeter-Wave Amplifier Design: A Systematic Approach," to be submitted to IEEE Journal of Solid-State Circuits, 2011.

  49. O. Momeni and E. Afshari, "A Terahertz Broadband Traveling-Wave Frequency Multiplier on CMOS," invited to the special issue of the IEEE Journal of Solid-State Circuits, vol. 46, no. 12, Dec. 2011 (pdf).

  50. Y. Tousi and E. Afshari, "A Miniature 2mW 4b 1.2GS/s Delay-Line Based Data Converter," IEEE Journal of Solid-State Circuits, vol. 46, no. 10, Oct. 2011 (pdf).

  51. O. Momeni and E. Afshari, "High Power Terahertz and Sub-millimeter-Wave Oscillator Design: A Systematic Approach," IEEE Journal of Solid-State Circuits, vol. 46, no. 3, pp. 583-597, March 2011 (pdf).

  52. W. Lee and E. Afshari, "Low Noise Parametric Resonant Amplifier," IEEE Transaction on Circuits and Systems I: Regular Papers, vol.58, no.3, pp.479-492, March 2011 (pdf).

  53. G. Li and E. Afshari, "A Distributed Dual-Band LC Oscillator Based on Mode Switching," IEEE Transactions on Microwave Theory and Techniques, vol.59, no.1, pp.99-107, Jan. 2011 (pdf).

  54. O. Momeni and E. Afshari, "A 10-Gb/s Inductor-less Transimpedance Amplifier," IEEE Transaction on Circuits and Systems II: Express Briefs, vol.57, no.12, pp.926-930, Dec. 2010.

  55. Y. Tousi and E. Afshari, "2-D Electrical Interferometer: A Novel High Speed Quantizer," IEEE Transactions on Microwave Theory and Techniques, vol.58, no.10, pp.2549-2561, Oct. 2010 (pdf).

  56. G. Li and E. Afshari, "A Low-Phase-Noise Multi-Phase Oscillator Based on Left- handed LC-Ring," IEEE Journal of Solid-State Circuits, vol.45, no.9, pp.1822-1833, Sept. 2010 (pdf).

  57. W. Lee and E. Afshari, "Distributed Parametric Resonator: A Passive CMOS Frequency Divider," IEEE Journal of Solid-State Circuits, vol.45, no.9, pp.1834-1844, Sept. 2010 (pdf).

  58. G. Lilis, J. Park, W. Lee, H. S. Bhat and E. Afshari, "Harmonic Generation Using Non- linear LC Lattices," IEEE Transactions on Microwave Theory and Techniques, vol.58, no.7, pp.1713-1723, July 2010 (pdf).

  59. H. S. Bhat, W. Lee, G. Lilis, and E. Afshari, "Steady-State Perturbative Theory for Nonlinear Circuits," Journal of Physics A: Mathematical and Theoretical, vol. 43, no. 20, pp. 205101-205101-16, May 2010 (pdf).

  60. O. Momeni and E. Afshari, "Electrical Prism: a High Quality Factor Filter for mm- Wave and Terahertz Frequencies," IEEE Transactions on Microwave Theory and Tech- niques, vol.57, no.11, pp.2790-2799, Nov. 2009 (pdf).

  61. G. Li, Y. Tousi, A. Hassibi, and E. Afshari, "Delay-line Based Analog-to-Digital Converters," IEEE Transaction on Circuits and Systems II: Express Briefs, vol.56, no.6, pp.464-468, June 2009 (pdf).

  62. E. Afshari and H. S. Bhat, "Nonlinear Constructive Interference in Electrical Lattices," Physical Review E, vol. 77, no. 6, pp.066602-066602-13, June 2008 (pdf).

  63. E. Afshari, H. S. Bhat, and A. Hajimiri, "Ultrafast Analog Fourier Transform Using 2-D LC Lattice," IEEE Transaction on Circuits and Systems I: Regular Papers, vol.55, no.8, pp.2332-2343, Sept. 2008 (pdf).

  64. E. Afshari, H. S. Bhat, A. Hajimiri, and J. E. Marsden, "Extremely Wideband Signal Shaping using One and Two Dimensional Non-Uniform Nonlinear Transmission Lines," Journal of Applied Physics, vol. 99, no. 5, pp.054901-054901-16, Mar 2006 (pdf).

  65. E. Afshari and A. Hajimiri, "A Non-Linear Transmission Lines for Pulse Shaping in Silicon," IEEE Journal of Solid-State Circuits, vol.40, no.3, pp. 744- 752, March 2005 (pdf).

Selected Conference Publication

  1. S. H. Naghavi, M. T. Taba, M. Aseeri, and E. Afshari, “A 100 GHz fully integrated FMCW imaging radar in 110 nm CMOS with fundamental oscillation above fmax/2 for drywall inspection,” Proc. of International Microwave Symposium (IMS), 2022

  2. L. Chen, S. Nooshabadi, A. Cathelin and E. Afshari, “A Compact 196 GHz FSK Trans-mitter for Point-to-Point Wireless Communication with Novel Direct Modulation Tech-nique,” Proc. of IEEE Radio Frequency Integrated Circuits Symposium (RFIC), 2021

  3. B. Hadidian,F.Khoeini, S.M. Hossein Naghavi, A. Cathelin, and E. Afshari, “An En-ergy Efficient Fully Integrated 20Gbps OOK Wireless Transmitter at 220GHz,” Proc. of IEEE Custom Integrated Circuits Conference (CICC), 2021

  4. S. H. Naghavi, M. T. Taba, B. Yektakhah, M. Aseeri, A. Cathelin, and E. Afshari, “Broadband Sub-THz Chirp Linearization Using Particle Swarm Optimization for Pre-cision Metrology Applications,” Proc. of International Microwave Symposium (IMS), 2021

  5. S. H. Naghavi, S. Seyedabbaszadehesfahlani,F.Khoeini, A. Cathelin, and E. Afshari “A 250GHz Autodyne FMCW Radar in 55nm BiCMOS with Micrometer Range Res-olution,” Proc. of IEEE International Solid-State Circuits Conference (ISSCC),Feb. 2021

  6. M. T. Taba, Z. Khalifa, S. M. H. Naghavi and E. Afshari, “Progress Towards Fully On-Chip Frequency-Stabilization for Sub-Terahertz Sources,” Proc. of 2020 IEEE Silicon Monolithic Integrated Circuits in RF Systems (SiRF), pp. 30-34

  7. E. Afshari, “Emerging Topics in Phased Arrays and the Path to THz,” Proc. of IEEE International Solid-State Circuits Conference (ISSCC), Feb. 2019

  8. S. Khiyabani, H. Khatibi, and E. Afshari, “A Compact 275 GHz Harmonic VCO with -2.6 dBm Output Power in a 130 nm SiGe Process,” Proc. of IEEE Custom Integrated Circuits Conference (CICC), 2019

  9. A. Mostajeran, H. Aghasi, H. Naghavi, and E. Afshari, “Fully Integrated Solutions for High Resolution Terahertz Imaging,” Proc. of IEEE Custom Integrated Circuits Con-ference (CICC), 2019

  10. A. Tarkeshdouz, S. Mirabbasi, and E. Afshari, “An 82.2-to-89.3 GHz CMOS VCO with DC-to-RF Efficiency of 14.8%,” Proc. of IEEE Radio Frequency Integrated Circuits Symposium (RFIC), 2019

  11. C. Jiang, M. Aseeri, A. Cathelin, and E. Afshari, “A 301.7-to-331.8GHz source with entirely on-chip feedback loop for frequency stabilization in 0.13µmBiCMOS,” Proc. of IEEE International Solid-State Circuits Conference (ISSCC), Feb. 2018

  12. N. Ebrahimi, H. Mahdavifar, and E. Afshari, “A Novel Approach to Secure Communi-cation in Physical Layer via Coupled Dynamical Systems,” Proc. of the IEEE Globecom, Dec. 2018

  13. C. Jiang, M. Aseeri, A. Cathelin, and E. Afshari, “A 308-317GHz Source with 4.6mW Peak Radiated Power and On- Chip Frequency-Stabilization Feedback in 0.13µmBiC-MOS,” Proc. of IEEE Radio Frequency Integrated Circuits Symposium (RFIC),June 2018

  14. M. Haghi, A. Tarkeshdouz, E. Afshari, and S. Mirabbasi, “A 60-GHz CMOS Down-Conversion Mixer with High Conversion Gain and Low Noise Figure,” Proc. of IIEEE International New Circuits and Systems Conference (NEWCAS), 2018

  15. H. Aghasi and E. Afshari, “Power-Efficient Terahertz Communication Circuits,” Proc. of NanoCom, Sept. 2017

  16. A. Mostajeran and E. Afshari, “An Ultra-Wideband Harmonic Radiator with a Tun-ing Range of 62GHz (28.3%) at 220GHz,” Proc. of IEEE Radio Frequency Integrated Circuits Symposium (RFIC), June 2017

  17. H. Khatibi, S. Khiyabani, A. Cathelin, and E. Afshari, “A 195 GHz Single-Transistor Fundamental VCO with 15.3% DC-to-RF Efficiency, 4.5 mW Output Power, Phase Noise FoM of -197 dBc/Hz and 1.1% Tuning Range in a 55 nm SiGe Process,” Proc. of IEEE Radio Frequency Integrated Circuits Symposium (RFIC), June 2017

  18. A. Mostajeran, M. Emadi, A. Cathelin, and E. Afshari, “A Compact Ultra-Wide-Band Frequency Divider with a Locking Range of 12-61 GHz with 0dBm of Input Power,” Proc. of International Microwave Symposium (IMS), June 2017

  19. H. Khatibi and E. Afshari, “Towards Efficient High Power mm-Wave and Terahertz Sources in Silicon: One Decade of Progress,” Proc. of IEEE Meeting on Silicon Mono-lithic Integrated Circuits in RF Systems (SiRF), Jan. 2017

  20. R. Han, J. W. Holloway, C. Jiang, A. Mostajeran, E. Afshari, A. Cathelin, Y. Zhang, K. K. O, L. Boglione, T. M. Hancock, C. Wang, Z. Hu, and G. Zhang, “On-chip Terahertz Electronics: From Device-Electromagnetic Integration to Energy-Efficient, Large-Scale Microsystems,” IEEE International Electron Devices Meeting (IEDM), Dec. 2016

  21. H. Aghasi and E. Afshari “Design of Broadband mm-Wave and THz Frequency Dou-blers,” invited to Proc. of European Solid-State Circuit Conference (ESSCIRC),Sept. 2016

  22. C. Jiang, A. cathelin and E. Afshari, “A 210GHz Compact Harmonic Oscillator with 1.4dBm Peak Output Power and 10.6% Tuning Range in 130nm BiCMOS,” Proc. of IEEE Radio Frequency Integrated Circuits Symposium (RFIC), May 2016

  23. C. Jiang, A. Mostajeran, R. Han, M. Emadi, H. Sherry, A. Cathelin, and E. Afshari,"A 320GHz Subharmonic Mixing Coherent Imager in 130nm SiGe BiCMOS,” Proc. of IEEE International Solid-State Circuits Conference (ISSCC), Feb. 2016

  24. R. Han, C. Jiang, A. Mostajeran, M. Emadi, H. Aghasi, H. Sherry, A. Cathelin, and E. Afshari "A 320GHz Phase-Locked Transmitter with 3.3mW Radiated Power and 22.5dBm EIRP for Heterodyne THz Imaging Systems, " Proc. of IEEE International Solid-State Circuits Conference (ISSCC), 22-26 Feb. 2015.

  25. A. Mostajeran, M. Sharif-Bakhtiar and E. Afshari, "A 2.4GHz VCO with FoM of 190dBc/Hz at 10KHz 2MHz Offset Frequencies in 130nm CMOS Using an ISF Manipulation Technique," Proc. of IEEE International Solid-State Circuits Conference (ISSCC), 22-26 Feb. 2015.

  26. Y. Tousi and E. Afshari, "A Scalable Terahertz 2D Phased Array with +17dBm of EIRP at 338GHz in 65nm Bulk CMOS," Proc. of IEEE International Solid-State Circuits Conference (ISSCC), 9-13 Feb. 2014.

  27. M. Adnan and E. Afshari, "A 247-to-263.5GHz VCO with 2.6mW Peak Output Power and 1.14% DC-to-RF Eciency in 65nm Bulk CMOS," Proc. of IEEE International Solid-State Circuits Conference (ISSCC), 9-13 Feb. 2014.

  28. E. Afshari and R. Han, "Progress Towards mW-Power Generation in CMOS THz Signal Sources," Proc. of Microwave Integrated Circuits Conference (EuMIC), 6-8 Oct. 2013.

  29. M. Adnan and E. Afshari, "A 105GHz VCO with 9.5% Tuning Range and 2.8mW Peak Output Power Using Coupled Colpitts Oscillators in 65nm Bulk CMOS," Proc. of IEEE Radio Frequency Integrated Circuits Symposium (RFIC), 2-4 June 2013.

  30. R. Han and E. Afshari, "A 260GHz Broadband Source with 1.1mW Continuous-Wave Radiated Power and EIRP of 15.7dBm in 65nm CMOS," Proc. of IEEE International Solid-State Circuits Conference (ISSCC), 17-21 Feb. 2013.

  31. G. Li and E. Afshari, "A Low Phase Noise Wide Tuning Range Quadrature Oscillator in 65nm CMOS," Proc. of IEEE Custom Integrated Circuits Conference (CICC), 9-12,Sept. 2012.

  32. R. Han and E. Afshari, "A broadband 480-GHz passive frequency doubler in 65-nm bulk CMOS with 0.23mW output power," Proc. of IEEE Radio Frequency Integrated Circuits Symposium (RFIC), 17-19 June 2012.

  33. Y. Tousi and E. Afshari, "A 283-to-296GHz VCO with 0.76mW Peak Output Power in 65nm CMOS," Proc. of IEEE International Solid-State Circuits Con- ference (ISSCC), 2012.

  34. R. Han, Y. Zhang, Y. Kim, S. Shichijo, E. Afshari and K. K. O, "860GHz and 280GHz Image Sensors Using Schottky-Barrier Diodes in 130-nm CMOS," Proc. of IEEE International Solid-State Circuits Conference (ISSCC), 2012.

  35. M. Adnan and E. Afshari, "A 120 GHz Frequency Tripler in 130 nm CMOS," to be submitted to Proc. of International Microwave Symposium (IMS), 2012.

  36. O. Momeni and E. Afshari, "A 220-275 GHz Traveling Wave Frequency Doubler with -6.6 dBm Power at 244 GHz in 65 nm CMOS," Proc. of IEEE International Solid-State Circuits Conference (ISSCC), pp.286-288, 20-24 Feb. 2011.

  37. O. Momeni and E. Afshari, "A High Gain 107 GHz Ampli er in 130 nm CMOS," Proc. of IEEE Custom Integrated Circuits Conference (CICC), 18-21 Sept. 2011.

  38. M. Adnan and E. Afshari, "A Low Conversion Loss Passive Frequency Doubler," Proc. of IEEE Custom Integrated Circuits Conference (CICC), 18-21 Sept. 2011.

  39. W. Lee and E. Afshari, "An 8 GHz, 0.45dB NF CMOS LNA employing noise squeezing," Proc. of IEEE Radio Frequency Integrated Circuits Symposium (RFIC), 5-7 June 2011.

  40. S. Saadat, M. Farahani, H. Mosallaei, and E. Afshari, "Metamaterials Integrated with Active Electronic Circuits," Proc. of IEEE International Symposium on Antennas and Propagation, 3-8 July 2011.

  41. M. Adnan and E. Afshari, "Phase Matching using Bandgap Structures for Efficient Parametric Frequency Conversion," Proc. of European Microwave Conference, 9-14 Oct. 2011.

  42. M. Adnan and E. Afshari, "Bandwidth Enhancement of Passive Filters at mm-Wave Frequencies using Effective Negative Group Index (NGI) Structures," Proc. of IEEE International Symposium on Circuits and Systems(ISCAS), pp. 749-752 May 30-June 2 2010.

  43. W. Lee, F. Amoozegar, and E. Afshari, "Picosecond Pulse Generation on CMOS: De- sign Beyond Transistor Limits," Proc. of IEEE Radar Conference, 4-8 May 2009 (Best student paper award).

  44. Y. Tousi, G. Li, A. Hassibi, and E. Afshari, "A 1mW 4b 1GS/s delay-line based analog- to-digital converter," Proc. of IEEE International Symposium on Circuits and Systems(ISCAS), pp.1121-1124, 24-27 May 2009.

  45. O. Momeni and E. Afshari, "Electrical Prism: a High Quality Factor Filter for mm- Wave and Terahertz Frequencies," Proc. Of Asia-Pacific Microwave Conference (APMC), 16-20 Dec. 2008.

  46. E. Afshari, H. S. Bhat, X. Li, and A. Hajimiri, "Electrical Funnel: A Broadband Signal Combining Method," Proc. Of IEEE International Solid-State Circuits Conference(ISSCC), pp.751-760, 6-9 Feb. 2006.

  47. E. Afshari and A. Hajimiri, "A Non-Linear Transmission Lines for Pulse Shaping in Silicon," Proc. of Custom Integrated Circuits Conference (CICC), pp. 91- 94, 21-24 Sept. 2003 (Best paper award).

BOOK CHAPTERS

  1. E. Afshari and A. Komijani, "Power Amplifier Design," in mm-Wave Silicon Technology, Springer, January 2008.

INVITED TALKS

  1. IEEE 802.15 Standard Meeting Nov. 2012

  2. European Microwave Conference Nov. 2012

  3. University of Toronto Oct. 2012

  4. IEEE Custom Integrated Circuits Conference Sept. 2012

  5. IEEE Joint Chapters Meeting Apr. 2012

  6. DARPA DSRC Workshop Feb. 2012

  7. Berkeley Wireless Research Center Oct. 2011

  8. University of Southern California Sept. 2011

  9. Inphi Corporation Sept. 2011

  10. Intel Aug. 2011

  11. University of Texas at Dallas July 2011

  12. CMOS Emerging Technologies May 2011

  13. Syracuse University Feb. 2011

  14. Sharif University of Science and Technology Jan. 2011

  15. University of Tehran Jan. 2011

  16. Raytheon Dec. 2010

  17. IBM Nov. 2010

  18. Tufts University Oct. 2010

  19. The University of Massachusetts Amherst Apr. 2010

  20. University of California at San Diego Apr. 2010

  21. Jet Propulsion Laboratory March 2010

  22. The Center for Circuit & System Solutions (C2S2) Feb. 2010

  23. Lockheed Martin Corporation Jan. 2010

  24. Tehran University Jan. 2010

  25. Sharif University of Science and Technology Dec. 2009

  26. Columbia University Oct. 2009

  27. University of Texas at Austin Apr. 2009

  28. Cortina Systems, Ottawa ON March 2008

  29. Qualcomm, San Diego CA July 2007

  30. SIAM Nonlinear Waves and Coherent Structures Sept. 2006

  31. Massachusetts Institute of Technology May 2006

  32. University of California, Berkeley Apr. 2006

  33. California Institute of Technology Apr. 2006

  34. Carnegie Mellon University Apr. 2006

  35. Cornell University Feb. 2006