Patents awarded:
- S. Tao, Y. Wu, R. Hui
and X. Ma, “Optical isolators using In-doped, Bi-substituted
garnet as the Faraday rotator,” Chinese patent 882078143, issued on July
5, 1989.
- G. Li, T. Makino, R. Hui, “Optical Q switching to
generate ultra-short optical pulse in diode lasers,” US patent 5455836,
issued on October 3, 1995.
- M. O’Sullivan, R. Hui
and J. Zhou, “Eye distortion mask technique for optical transmission
systems,” US patent #5774242, issued in June 1998.
- Garthe D, R. Saunders,
R. Robinson, M. O’Sullivan and R.
Hui “Transmission systems with cross-phase modulation compensation,”
European Patent #
98306290.2-2211, issued in November 1998. US Patent # US6124960, issued,
Sept.26, 2000.
- J. Hong, R.
Hui, M. O’Sullivan, “Generation of short optical pulse using strongly
complex coupled DFB lasers,” US patent # US6069906, issued May 30, 2000
- R. Hui,
Jin Hong and M. O’Sullivan, “Method and
devices for encoding data into high speed optical pulse train,” US patent
6438148, issued August 20, 2002
- H.Y. Pua, C. Allen, K.
Demarest, R. Hui, K. Peddanarappagari, “Method
and apparatus to compensate for polarization mode dispersion,” US
Patent 6,459,830, issued October 1, 2002
- R. Hui
and M. O’Sullivan, “Method and apparatus
for high resolution monitoring of optical signals” US Patent
6,493,088, issued on December 10, 2002
- K. Demarest, C.
Johnson, C. Allen, R. Hui and B. Zhu, “Method
and apparatus for recovering an optical clock signal,” US patent
# 6542274, issued on April 1, 2003
- R. Hui
and M. O’Sullivan, “Method and apparatus for
high resolution monitoring of optical signals” US Patent 6,687,009,
issued on February 3, 2004
- R. Hui,
"Optical domain signal analyzer,"
US
patent # 6697195, issued on February 24, 2004
- R. Hui, C. Allen, and K. Demarest, "Optical systems with diversity detection,"
U.S.
Patent # 6,999,688, issued on February 14, 2006.
- R. Hui, J. Lin and H. Jiang, “Method and apparatus for use of
III-Nitride wide bandgap semiconductors in optical communications,” US patent
#7345812, Issued on March 18, 2008.
- R. Hui and C. Johnson, “Laser system for
photonic excitation investigation,” US patent 7,525,724, issued on
April 28, 2009
- R. Hui, C. Allen
and P. Adany, “Coherent
detection scheme for FM chirped laser radar” US patent 7,742,152, issued on June 22, 2010
- J. Jiang, R. Hui, D. Richards, and S. Oliva, “ Measurement of Polarization dependent loss
in an optical transmission system” US patent 8059958 B1, issued on November 15, 2011
- R. Hui,
and A. Fumagalli, " Digital
subcarrier optical network utilizing digital subcarrier cross-connects
with increased energy efficiency," US Patent 8897640, issued
November 25, 2014
- R. Hui
and A. Fumagalli, " Digital
subcarrier cross-connect switching,"
US patent 9,031,406, issued May 12, 2015
- C. Allen, T. Shuey,
and R. Hui, "Low-altitude
altimeter and method" US patent 9,008,869, issued on April 14,
2015
- R. Hui and M. O’Sullivan,
“Estimating nonlinear phase shift in a multi-span fiber-optic link using a
coherent receiver,” US patent 11821807, issued November 21, 2023