Inventor
SETHUMADHAVAN CHANDRASEKHAR
US18 patents
⚠️ This page may combine multiple inventors who share the name “SETHUMADHAVAN CHANDRASEKHAR”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
LIU XIANG
9 patentsUS8842997B2Sep 23, 2014
Apparatus and method for generating interleaved return-to-zero (IRZ) polarization-division multiplexed (PDM) signals
LIU XIANG7 citations84
US8611751B2Dec 17, 2013
System, apparatus and method for communicating data via polarization multiplexing
LIU XIANG16 citations84
US8180227B2May 15, 2012
Digital coherent detection of multi-carrier optical signal
LIU XIANG7 citations84
US8594515B2Nov 26, 2013
Digital phase conjugation for fiber-optic links
LIU XIANG7 citations83
US9300400B2Mar 29, 2016
Communication through multiplexed one-dimensional optical signals
LIU XIANG5 citations73
US8515286B2Aug 20, 2013
Coherent optical receiver for pilot-assisted data transmission
LIU XIANG5 citations73
US8953949B2Feb 10, 2015
Method and apparatus for transmitting high-level QAM optical signals with binary drive signals
LIU XIANG2 citations62
US8660433B2Feb 25, 2014
Pilot-assisted data transmission in a coherent optical-communication system
LIU XIANG2 citations62
US8483575B2Jul 9, 2013
Apparatus and method for generating frequency-locked optical comb sources
LIU XIANG0 citations41
ALCATEL LUCENT USA INC
3 patentsUS10404400B2Sep 3, 2019
Optical transport system employing direct-detection self-coherent receivers and compatible transmitters
ALCATEL LUCENT USA INC16 citations86
US9160456B2Oct 13, 2015
Dispersion management for inhomogeneous fiber-optic links
ALCATEL LUCENT USA INC5 citations73
US9419722B2Aug 16, 2016
Feedback for electronic pre-distortion in an optical transmitter
ALCATEL LUCENT USA INC4 citations71