Inventor
WAN PING WAI
CA25 patents
⚠️ This page may combine multiple inventors who share the name “WAN PING WAI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
TROPIC NETWORKS INC
15 patentsUS7142783B2Nov 28, 2006
Method and system for identification of channels in an optical network
TROPIC NETWORKS INC19 citations92
US7158723B2Jan 2, 2007
Channel identification in communications networks
TROPIC NETWORKS INC26 citations91
US7054556B2May 30, 2006
Channel identification in communications networks
TROPIC NETWORKS INC21 citations91
US7155122B2Dec 26, 2006
Channel identification in communications networks
TROPIC NETWORKS INC14 citations83
US6829438B2Dec 7, 2004
Add/drop multiplexing in WDM optical networks
TROPIC NETWORKS INC12 citations74
US6903867B2Jun 7, 2005
Method and apparatus for gain excursion minimization in automatic gain controlled optical systems
TROPIC NETWORKS INC7 citations70
US7139486B2Nov 21, 2006
Method and apparatus for optical add/drop multiplexing in optical networks
TROPIC NETWORKS INC4 citations62
US7068932B2Jun 27, 2006
Method and system for automatic initialization of an optical network
TROPIC NETWORKS INC5 citations62
US7127165B2Oct 24, 2006
Method and system for compensating for side effects of cross gain modulation in amplified optical networks
TROPIC NETWORKS INC6 citations61
US6597161B2Jul 22, 2003
Method and apparatus for spectrum analysis with variable detection latency and multiple layer coherent integrations
TROPIC NETWORKS INC4 citations61
US7321727B2Jan 22, 2008
Method for network commissioning using amplified spontaneous emission (ASE) sources
TROPIC NETWORKS INC3 citations59
US7248798B2Jul 24, 2007
Method and system for identification of channels in an optical network
TROPIC NETWORKS INC0 citations51
US7139069B2Nov 21, 2006
Methods and apparatus for detecting a faulty component location along an optical path in an optical network
TROPIC NETWORKS INC1 citations51
US7139480B2Nov 21, 2006
System and method for power management in an optical network
TROPIC NETWORKS INC0 citations49
US7224909B2May 29, 2007
Method and system for selective optical payload cancellation
TROPIC NETWORKS INC1 citations48
NORTEL NETWORKS LTD
4 patentsUS7346284B2Mar 18, 2008
Method and apparatus for encoding optical power and non-payload data in an optical signal
NORTEL NETWORKS LTD55 citations98
US6292290B1Sep 18, 2001
Methods and apparatus for adjusting power in an optical signal, for providing a seamless optical ring and for providing a bidirectional equalized amplifier
NORTEL NETWORKS LTD31 citations88
US6819879B1Nov 16, 2004
Method and apparatus for encoding optical power and non-payload data in an optical signal
NORTEL NETWORKS LTD13 citations84
US7174109B2Feb 6, 2007
Method and apparatus for encoding optical power and non-payload data in an optical signal
NORTEL NETWORKS LTD4 citations74
ALCATEL LUCENT
4 patentsUS7715710B2May 11, 2010
Method and system for power management in optical networks
ALCATEL LUCENT59 citations97
US8014668B2Sep 6, 2011
Method and system for distributed measurement and compensation of chromatic dispersion in an optical network
ALCATEL LUCENT10 citations83
US7783193B2Aug 24, 2010
Noise tone avoidance in optical networks
ALCATEL LUCENT6 citations62
US7652816B2Jan 26, 2010
Method for network commissioning and upgrading using amplified spontaneous emission (ASE) sources
ALCATEL LUCENT0 citations47