Shalabh Gupta
Courses
Research Interests
High-speed CMOS analog/RF/mm-wave integrated circuits and systems
Optical fiber communication systems
Microwave photonics / ultrafast data conversion using photonics
Beamforming antenna systems
Signal processing for these systems
Students interested in working with me in any of these areas are encouraged to contact me in person or by email.
Biography
Educational Background
Work Experience
Assistant Professor, EE Department, IIT Bombay (2009-Present)
Optical Communications Research at NEC Labs, Princeton, NJ, USA (Summer 2008, 2009)
Senior Engineer RFIC Design, Skyworks Solutions Inc., Irvine, CA, USA (2005-2006)
Analog Design Engineer, Chrontel Inc., San Jose, CA, USA (2003-2005)
Publications
Journal papers (accepted/published)
D. Solli, S. Gupta, and B. Jalali, “Optical phase recovery in the dispersive Fourier transform,” Applied Physics Letters 95, 231108 (2009).
S. Gupta and B. Jalali, “Time Stretch Enhanced Recording Oscilloscope,” Applied Physics Letters 94, 041105 (2009).
B. Jalali, D. Solli, and S. Gupta, “Silicon Photonics: Silicon’s time lens,” Nature Photonics 3, 8-10 (2009).
S. Gupta and B. Jalali, “Time-warp correction and calibration in photonic time-stretch analog-to-digital converter,” Optics Letters 33, 2674-2676 (2008).
A. Tarighat, S. Gupta, A. H. Sayed, and B. Jalali, “Two-dimensional spatio-temporal signal processing for dispersion compensation in time-stretched ADC,” IEEE/OSA Journal of Lightwave Technology 25, 1580-87 (2007).
S. Gupta, G. C. Valley, and B. Jalali, “Distortion Cancellation in Time-Stretch Analog-to-Digital Converter,” IEEE/OSA Journal of Lightwave Technology 25, 3716-3721 (2007).
S. Gupta and E. R. Brown, “Noise-correlating radar based on retrodirective antennas,” IEEE Transactions on Aerospace and Electronic Systems 43, 472-479 (2007).
Conference Presentations
A. Motafakker-Fard, S. Gupta, and B. Jalali, “Eye Diagram Measurements and Equalization with Real-time Burst Sampling,” to be presented at 2010 IEEE I2MTC Conference, Austin Texas, May 2010.
J. Yu, X. Zhou, Y.-K. Huang, S. Gupta, M.-F. Huang, T. Wang, P. Magill, “112.8-Gb/s PM-RZ-64QAM Optical Signal Generation and Transmission on a 12.5GHz WDM Grid,” to be presented at 2010 IEEE/OSA Optical Fiber Communication (OFC) Conference, March 2010.
A. Motafakker-Fard, S. Gupta, and B. Jalali, “Digital Equalization of Ultrafast Data Using Real-Time Burst Sampling,” to be presented at 2010 IEEE/OSA Optical Fiber Communication (OFC) Conference, March 2010.
S. Gupta, G. C. Valley, R. H. Walden, and B. Jalali, “Power Scaling in Photonic Time-Stretched Analog-to-Digital Converters,” 2009 IEEE Avionics, Fiber-Optics and Photonics Conference, September 2009.
S. Gupta and B. Jalali, “Impulse Response of the Photonic Time-Stretched Analog-to-Digital Converter,” 2009 IEEE Avionics, Fiber-Optics and Photonics Conference, September 2009.
S. Gupta, D. Solli, A. Motafakker-Fard, and B. Jalali, “Capturing Rogue Events with the Time-Stretch Recording Scope,” 2009 IEEE/OSA CLEO/Europe - EQEC, June 2009.
S. Gupta, R. E. Saperstein, Y.-K. Huang, P. N. Ji, A. Dogariu, and T. Wang, “Ultra High-Speed, Multi-Wavelength Polarization Impairment Characterization Technique for Pol-Muxed Optical Links,” 2009 IEEE/OSA Optical Fiber Communication (OFC) Conference, March 2009.
A. Motafakker-Fard, S. Gupta, and B. Jalali, “Dynamic Range Improvement in Photonic Time-Stretch Analog-to-Digital Converter,” 2009 IEEE/OSA Optical Fiber Communication (OFC) Conference, March 2009.
S. Gupta and B. Jalali, “Photonic Time Stretch Enhanced Recording Scope,” The 21st Annual Meeting of The IEEE Lasers & Electro-Optics Society, paper #ThJ3, November 2008.
S. Gupta, O. Boyraz, and B. Jalali, “Dispersion Penalty Mitigation Using Polarization Mode Multiplexing in Phase Diverse Analog Optical Links,” 2008 IEEE/OSA Optical Fiber Communication (OFC) conference, March 2008.
G. C. Valley, J. Conway, J. Chou, G. A. Sefler, S. Gupta, and B. Jalali, “Bandwidth compression optical processor using chirped fiber Bragg gratings,” Controlling Light with Light: Photorefractive Effects, Photosensitivity, Fiber Gratings, Photonic Materials Conference, Paper \#TuB6, Olympic Valley, CA, October 2007.
S. Gupta, J. Stigwall, S. Galt, and B. Jalali,``Demonstration of distortion suppression in photonic time-stretch ADC using back propagation method,” 2007 IEEE International Topical Meeting on Microwave Photonics, 141-144 (2007).
J. Chou, S. Gupta, and B. Jalali, ``10 Tera sample-per-second single-shot real-time digitizer’’ IEEE MTT-S International Microwave Symposium, Workshop WMK7, Honolulu, HI, June 2007.
S. Gupta and B. Jalali, “2nd Order distortion cancellation in photonic time stretch analog-to-digital converter,” 2007 IEEE MTT-S International Microwave Symposium, 229-232 (2007).
E. R. Brown, A. C. Cotler, S. Gupta, and A. Umali, “First demonstration of a retrodirective noise-correlating radar in S band”, 2004 IEEE MTT-S International Microwave Symposium, 751-754 (2004).
S. Gupta and E. R. Brown, “Retro-directive Noise Correlation Radar with Extremely Low Acquisition Time,” 2003 IEEE MTT-S International Microwave Symposium Digest, 599-602 (2003).
Preprints
S. Gupta, “Automatic Analog Beamforming Transceiver for 60
GHz Radios,”
E-print archive: arXiv:0901.2771v1 (2009).
S. Gupta, G. C. Valley, R. H. Walden, B. Jalali, “Power Scaling in High Speed Analog-to-Digital Converters using Photonic Time Stretch Technique,” E-print archive: arXiv:0901.2767v1 (2009).
Patents
S. Gupta, B. Jalali, and A. Motafakker-Fard, US provisional patent on Signal Processing in the Time-Stretch ADC, UCLA.
Contact Information
Department of Electrical Engineering
IIT Bombay, Powai
Mumbai 400076, India
Office Location: EE Building, Room# 122B
Email: firstname [AT] ee.iitb.ac.in
Phone: +91-22-2576-7499 (O); +91-22-2576-8499 (R)
Web: http://www.ee.iitb.ac.in/~shalabh