System and method for code division multiplexed optical communication
Isaac Shpantzer, Michael Tseytlin, Yaakov Achiam, Aviv Salamon, Israel Smilanski, Olga Ritterbush, Pak Shing Cho, Li Guoliang, Jacob Khurgin, Yehouda Meiman, Alper Demir, Peter Feldman, Peter Kinget, Nagendra Krishnapura, Jaijeet Roychowdhury, Joseph Schwarzwalder and Charles Sciabarra
U.S. Patent 7,167,651. January 2007

System and method for orthogonal frequency division multiplexed optical communication
Isaac Shpantzer, Yehouda Meiman, Michael Tseytlin, Olga Ritterbush, Aviv Salamon, Peter Feldman, Alper Demir, Peter Kinget, Nagendra Krishnapura and Jaijeet Roychowdhury
U.S. Patent 7,076,169. July 2006

Oscillator phase noise prediction
Alper Demir and Jaijeet Roychowdhury
U.S. Patent 6,529,859. March 2003

System and method for analyzing forced and unforced oscillators
Onuttom Narayan and Jaijeet Roychowdhury
U.S. Patent 6,518,742. February 2003

Method and apparatus for characterizing phase noise and timing jitter in oscillators
Alper Demir, Amit Mehrotra and Jaijeet Roychowdhury
U.S. Patent 6,167,359. December 2000

Method of making an integrated circuit including noise modeling and prediction
Jaijeet Roychowdhury, Peter Feldmann and David Esley Long
U.S. Patent 6,072,947. June 2000

Method and apparatus for efficient design and analysis of integrated circuits using multiple time scales
Jaijeet Roychowdhury
U.S. Patent 5,995,733. November 1999

Systems and methods for testing and manufacturing large-scale, transistor-based, nonlinear circuits
Robert C. Melville and Jaijeet Roychowdhury
U.S. Patent 5,930,153. July 1999

Systems and methods for determining characteristics of a singular circuit
Jaijeet Roychowdhury
U.S. Patent 5,844,821. December 1998