Inventor
BHATNAGAR VIPUL
US17 patents
⚠️ This page may combine multiple inventors who share the name “BHATNAGAR VIPUL”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
CIENA CORP
16 patentsUS6765659B1Jul 20, 2004
Optical supervisory channel apparatus and method for measuring optical properties
CIENA CORP69 citations95
US10063313B1Aug 28, 2018
Synchronization of optical protection switching and loading of path specific characteristics
CIENA CORP44 citations92
US7054562B1May 30, 2006
Method and system for suppressing ASE on a WDM network
CIENA CORP25 citations92
US6795607B1Sep 21, 2004
Use of tunable laser for optical performance monitoring in WDM system
CIENA CORP40 citations92
US6532087B1Mar 11, 2003
Multiple signal Q-tester
CIENA CORP24 citations90
US10826601B2Nov 3, 2020
Optical switch with path continuity monitoring for optical protection switching
CIENA CORP12 citations85
US7512343B2Mar 31, 2009
Bidirectional communication system
CIENA CORP14 citations84
US7343096B1Mar 11, 2008
Method and apparatus for in-service upgrading of OADM to wavelength selective switch of higher degree
CIENA CORP9 citations83
US7075711B2Jul 11, 2006
Optical communication system having dynamic gain equalization
CIENA CORP11 citations82
US6351322B1Feb 26, 2002
Q detection circuit
CIENA CORP18 citations82
US9806808B2Oct 31, 2017
Signal detection systems and methods on a fiber carrying multiple wavelengths
CIENA CORP5 citations73
US10615867B1Apr 7, 2020
Optical amplifier signaling systems and methods for shutoff coordination and topology discovery
CIENA CORP6 citations72
US7092148B1Aug 15, 2006
Optical communication system having dynamic gain equalization
CIENA CORP7 citations72
US9496980B2Nov 15, 2016
Method for detecting wavelength usage conflicts in an optical network
CIENA CORP6 citations70
US11664921B2May 30, 2023
Rapid node insertion into or removal from a photonic network
CIENA CORP0 citations58
US12278693B2Apr 15, 2025
Stretched single optical span communications system and method avoiding hazardous power levels
CIENA CORP0 citations53