Intellectual Property

Our work at PSI is focused on developing technologies that contribute to PSI’s world-leading application of photonics to improve performance in a wide variety of RF and microwave systems.  From our significant research and development activities in photonic, microwave, antenna, and electronic control technology, PSI has accumulated a substantial portfolio of trade secrets, proprietary processes and patents. With hundreds of published groundbreaking advances, PSI’s researchers are recognized leaders in the field of microwave photonics.
 
Over the years, PSI and its staff members have earned numerous patent awards in the field of photonic systems and electro-optical component technology. Along with the impressive intellectual property patent portfolio listed below, PSI staff’s trade secrets and know-how in the field of microwave photonic systems makes us the ideal partner to solve your most complex applications.
 
 
Sample of Patents Issued
 
“Bi-directional Signal Interface and Apparatus Using Same”
C. Cox, U.S. Patent 7,809,216 B2, October 5, 2010.
 
 “Method and Apparatus for Determining Frequency-dependent Vp of a Mach-Zehnder Optical Modulator”
H. Roussell and E. Ackerman, U.S. Patent 7,760,343 B2, July 20, 2010.
 
“Bi-directional Signal Interface Using Photonic Coupler”
W. Burns, C. Cox, and R. Waterhouse, U.S. Patent 7,561,803 B2, July 14, 2009.
 
“Bi-directional Signal Interface”
C. Cox and E. Ackerman, U.S. Patent 7,555,219, June 30, 2009.
 
“Optical Modulator with Coupled Coplanar Strip Electrode and Domain Inversion”
W. Burns, U.S. Patent 7,400,787 B2, July 15, 2008.
 
“Modulator Bias Control”
C. Cox and E. Ackerman, U.S. Patent 7,369,290 B1, May 6, 2008.
 
“High Gain Resonant Modulator System and Method”
W. Burns, J. Prince, and E. Ackerman, U.S. Patent 7,262,902, August 28, 2007.