Inventor
SUN HAN
CA42 patents
⚠️ This page may combine multiple inventors who share the name “SUN HAN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
NORTEL NETWORKS LTD
12 patentsUS7769305B1Aug 3, 2010
High-speed digital signal processing in a coherent optical receiver
NORTEL NETWORKS LTD93 citations99
US7636525B1Dec 22, 2009
Signal acquisition in a coherent optical receiver
NORTEL NETWORKS LTD120 citations99
US7701842B2Apr 20, 2010
Low conversion rate digital dispersion compensation
NORTEL NETWORKS LTD113 citations98
US7684712B1Mar 23, 2010
Non-linear equalizer in a coherent optical receiver
NORTEL NETWORKS LTD59 citations98
US7555227B2Jun 30, 2009
Polarization compensation in a coherent optical receiver
NORTEL NETWORKS LTD57 citations98
US7315575B2Jan 1, 2008
Equalization strategy for dual-polarization optical transport system
NORTEL NETWORKS LTD70 citations98
US6917031B1Jul 12, 2005
Method for quadrature phase angle correction in a coherent receiver of a dual-polarization optical transport system
NORTEL NETWORKS LTD75 citations98
US7627252B2Dec 1, 2009
Clock recovery from an optical signal with dispersion impairments
NORTEL NETWORKS LTD54 citations97
US7606498B1Oct 20, 2009
Carrier recovery in a coherent optical receiver
NORTEL NETWORKS LTD117 citations97
US7532822B2May 12, 2009
Clock recovery from an optical signal with polarization impairments
NORTEL NETWORKS LTD38 citations92
US7522841B2Apr 21, 2009
Efficient data transmission and training of data processing functions
NORTEL NETWORKS LTD46 citations92
US7292653B2Nov 6, 2007
Carrier lock detector
NORTEL NETWORKS LTD3 citations63
INFINERA CORP
10 patentsUS10014975B2Jul 3, 2018
Channel carrying multiple digital subcarriers
INFINERA CORP52 citations93
US9553675B2Jan 24, 2017
Frequency domain coded modulation with polarization interleaving for fiber nonlinearity mitigation in digital sub-carrier coherent optical communication systems
INFINERA CORP52 citations90
US10211928B2Feb 19, 2019
Nonlinear tolerant constant modulus multi-dimensional modulation formats for coherent optical communication systems
INFINERA CORP7 citations82
US9490845B2Nov 8, 2016
Code design and high-throughput decoder architecture for layered decoding of a low-density parity-check code
INFINERA CORP2 citations57
US9673911B2Jun 6, 2017
Tracking nonlinear cross-phase modulation noise and linewidth induced jitter in coherent optical fiber communication links
INFINERA CORP1 citations51
US9319180B2Apr 19, 2016
Partitioning forward error correction decoding iterations to accommodate multiple data streams
INFINERA CORP0 citations51
US10979270B2Apr 13, 2021
Scalable synthesis of signals of high symbol rate using lower symbol rate DSPS
INFINERA CORP0 citations50
US12057934B2Aug 6, 2024
Methods and apparatus for sub-carrier interleaving to improve overall forward error correction
INFINERA CORP0 citations47
US9973280B2May 15, 2018
Feedback carrier recovery device
INFINERA CORP0 citations41
US9350457B2May 24, 2016
Power-efficient maximum likelihood decoding for 5 bits per dual-pol-symbol modulation
INFINERA CORP0 citations41
CIENA CORP
7 patentsUS7899340B1Mar 1, 2011
Laser control in a coherent optical receiver
CIENA CORP72 citations99
US8005368B2Aug 23, 2011
Signal equalizer in a coherent optical receiver
CIENA CORP43 citations97
US7894728B1Feb 22, 2011
Sample timing control in an optical receiver
CIENA CORP88 citations95
US8385747B2Feb 26, 2013
Signal equalizer in a coherent receiver
CIENA CORP33 citations93
US8023402B2Sep 20, 2011
Low conversion rate digital dispersion compensation
CIENA CORP24 citations93
US9590731B2Mar 7, 2017
Signal equalizer in a coherent optical receiver
CIENA CORP11 citations84
US9602207B2Mar 21, 2017
Soft decoding of data in a coherent optical receiver
CIENA CORP3 citations73