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
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
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
H. Roussell and E. Ackerman, U.S. Patent 7,760,343 B2,
July 20, 2010.
“Bi-directional Signal Interface Using Photonic
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,
“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,
“High Gain Resonant Modulator System and Method”
W. Burns, J. Prince, and E. Ackerman, U.S. Patent
7,262,902, August 28, 2007.