Balakrishnan Sridhar

Person

Elliot City, MD, US

People

Patents Grantslast 30 patents

Information Patent Grant
Optical switch with integrated fast protection
- Patent number 12,133,032
- Issue date Oct 29, 2024
- Equinix, Inc.
- Balakrishnan Sridhar
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Monitoring burst errors in forward error correction frames
- Patent number 12,107,680
- Issue date Oct 1, 2024
- Equinix, Inc.
- Qiang Wang
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Cascaded optical switch
- Patent number 12,028,660
- Issue date Jul 2, 2024
- Equinix, Inc.
- Iwan Kartawira
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Hybrid compensation of chromatic dispersion in optical networks
- Patent number 11,637,637
- Issue date Apr 25, 2023
- Equinix, Inc.
- Qiang Wang
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Raman amplifier system and method with integrated optical time doma...
- Patent number 10,374,704
- Issue date Aug 6, 2019
- Ciena Corporation
- Jean-Luc Archambault
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Four-wave mixing reduction due to raman pumps in optical communicat...
- Patent number 10,263,386
- Issue date Apr 16, 2019
- Ciena Corporation
- Balakrishnan Sridhar
- G02 - OPTICS
Information Patent Grant
Systems and methods for modular deployment and upgrade of multiple...
- Patent number 10,237,633
- Issue date Mar 19, 2019
- Ciena Corporation
- Paul Chedore
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Raman amplifier system and method with integrated optical time doma...
- Patent number 9,793,986
- Issue date Oct 17, 2017
- Ciena Corporation
- Jean-Luc Archambault
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Raman amplifier system and method with integrated optical time doma...
- Patent number 9,148,710
- Issue date Sep 29, 2015
- Ciena Corporation
- Jean-Luc Archambault
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Differentiation of power and channel count changes in optically amp...
- Patent number 9,065,247
- Issue date Jun 23, 2015
- Ciena Corporation
- Michael Y. Frankel
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Raman amplifier gain compression systems and methods based on signa...
- Patent number 8,885,248
- Issue date Nov 11, 2014
- Ciena Corporation
- Jun Bao
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Extended dynamic range optical amplifier
- Patent number 8,873,135
- Issue date Oct 28, 2014
- Ciena Corporation
- Balakrishnan Sridhar
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical service channel systems and methods over high loss links
- Patent number 8,867,912
- Issue date Oct 21, 2014
- Ciena Corporation
- Balakrishnan Sridhar
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Wavelength-switched optical add-drop multiplexer with wavelength br...
- Patent number 8,625,993
- Issue date Jan 7, 2014
- Ciena Corporation
- Vipul Bhatnagar
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Dispersion slope compensation and dispersion map management systems...
- Patent number 8,606,108
- Issue date Dec 10, 2013
- Ciena Corporation
- Balakrishnan Sridhar
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Differentiation of power and channel count changes in optically amp...
- Patent number 8,373,926
- Issue date Feb 12, 2013
- CIENA Corporation
- Michael Y. Frankel
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Systems and methods for adaptive gain control to compensate OSNR pe...
- Patent number 7,826,748
- Issue date Nov 2, 2010
- CIENA Corporation
- Xiaohui Yang
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Multi-channel protection switching systems and methods for increase...
- Patent number 7,634,194
- Issue date Dec 15, 2009
- CIENA Corporation
- Michael Y. Frankel
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Bidirectional communication system
- Patent number 7,512,343
- Issue date Mar 31, 2009
- CIENA Corporation
- Balakrishnan Sridhar
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method and apparatus for optical amplifying device gain control wit...
- Patent number 7,400,443
- Issue date Jul 15, 2008
- CIENA Corporation
- Balakrishnan Sridhar
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical amplifier pre-emphasis and equalization method and optical...
- Patent number 7,369,300
- Issue date May 6, 2008
- CIENA Corporation
- Balakrishnan Sridhar
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical communication system having dynamic gain equalization
- Patent number 7,092,148
- Issue date Aug 15, 2006
- CIENA Corporation
- Charles W. Haggans
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method and system for controlling amplifier power in an optical com...
- Patent number 7,081,986
- Issue date Jul 25, 2006
- CIENA Corporation
- James E. DeGrange, Jr.
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical communication system having dynamic gain equalization
- Patent number 7,075,711
- Issue date Jul 11, 2006
- CIENA Corporation
- Charles W. Haggans
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method and system for suppressing ASE on a WDM network
- Patent number 7,054,562
- Issue date May 30, 2006
- CIENA Corporation
- Sridhar Balakrishnan
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical communication system having dynamic gain equalization
- Patent number 6,967,768
- Issue date Nov 22, 2005
- CIENA Corporation
- Charles W. Haggans
Information Patent Grant
Power balanced optical add multiplexer and power balancing methods...
- Patent number 6,904,241
- Issue date Jun 7, 2005
- CIENA Corporation
- James E. DeGrange, Jr.
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Three-stage optical amplifier having flat spectral gain
- Patent number 6,900,931
- Issue date May 31, 2005
- CIENA Corporation
- Balakrishnan Sridhar
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Power balanced optical add/drop multiplexer and power balancing met...
- Patent number 6,885,825
- Issue date Apr 26, 2005
- CIENA Corporation
- James E. DeGrange, Jr.
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical supervisory channel apparatus and method for measuring opti...
- Patent number 6,765,659
- Issue date Jul 20, 2004
- CIENA Corporation
- Vipul Bhatnagar
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
MONITORING BURST ERRORS IN FORWARD ERROR CORRECTION FRAMES
- Publication number 20240097821
- Publication date Mar 21, 2024
- EQUINIX, INC.
- Qiang Wang
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
CASCADED OPTICAL SWITCH
- Publication number 20240056704
- Publication date Feb 15, 2024
- EQUINIX, INC.
- Iwan Kartawira
- G02 - OPTICS
Information Patent Application
OPTICAL SWITCH WITH INTEGRATED FAST PROTECTION
- Publication number 20230224614
- Publication date Jul 13, 2023
- EQUINIX, INC.
- Balakrishnan Sridhar
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Physical-Layer Security for Coherent Communications System
- Publication number 20200162172
- Publication date May 21, 2020
- CIENA CORPORATION
- Balakrishnan SRIDHAR
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
SYSTEMS AND METHODS FOR MODULAR DEPLOYMENT AND UPGRADE OF MULTIPLE...
- Publication number 20180234749
- Publication date Aug 16, 2018
- CIENA CORPORATION
- Paul CHEDORE
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
RAMAN AMPLIFIER SYSTEM AND METHOD WITH INTEGRATED OPTICAL TIME DOMA...
- Publication number 20180019813
- Publication date Jan 18, 2018
- CIENA CORPORATION
- Jean-Luc ARCHAMBAULT
- G01 - MEASURING TESTING
Information Patent Application
RAMAN AMPLIFIER SYSTEM AND METHOD WITH INTEGRATED OPTICAL TIME DOMA...
- Publication number 20150381274
- Publication date Dec 31, 2015
- CIENA CORPORATION
- Jean-Luc Archambault
- G01 - MEASURING TESTING
Information Patent Application
EXTENDED DYNAMIC RANGE OPTICAL AMPLIFIER
- Publication number 20140177037
- Publication date Jun 26, 2014
- Balakrishnan SRIDHAR
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
RAMAN AMPLIFIER GAIN COMPRESSION SYSTEMS AND METHODS BASED ON SIGNA...
- Publication number 20140104679
- Publication date Apr 17, 2014
- CIENA CORPORATION
- Jun Bao
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
RAMAN AMPLIFIER SYSTEM AND METHOD WITH INTEGRATED OPTICAL TIME DOMA...
- Publication number 20140077971
- Publication date Mar 20, 2014
- CIENA CORPORATION
- Jean-Luc Archambault
- G01 - MEASURING TESTING
Information Patent Application
OPTICAL SERVICE CHANNEL SYSTEMS AND METHODS OVER HIGH LOSS LINKS
- Publication number 20140072306
- Publication date Mar 13, 2014
- CIENA CORPORATION
- Balakrishnan Sridhar
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
DIFFERENTIATION OF POWER AND CHANNEL COUNT CHANGES IN OPTICALLY AMP...
- Publication number 20130148192
- Publication date Jun 13, 2013
- CIENA Corporation
- Michael Y. Frankel
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
DISPERSION SLOPE COMPENSATION AND DISPERSION MAP MANAGEMENT SYSTEMS...
- Publication number 20100329695
- Publication date Dec 30, 2010
- Balakrishnan SRIDHAR
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
WAVELENGTH-SWITCHED OPTICAL ADD-DROP MULTIPLEXER WITH WAVELENGTH BR...
- Publication number 20090175620
- Publication date Jul 9, 2009
- Vipul Bhatnagar
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Systems and methods for adaptive gain control to compensate OSNR pe...
- Publication number 20090116841
- Publication date May 7, 2009
- CIENA Corporation
- Xiaohui Yang
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Optical amplifier pre-emphasis and equalization method and optical...
- Publication number 20080018990
- Publication date Jan 24, 2008
- CIENA Corporation
- Balakrishnan Sridhar
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Multi-channel protection switching systems and methods for increase...
- Publication number 20070280681
- Publication date Dec 6, 2007
- CIENA Corporation
- Michael Y. Frankel
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Differentiation of power and channel count changes in optically amp...
- Publication number 20060139742
- Publication date Jun 29, 2006
- CIENA Corporation
- Michael Y. Frankel
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Bidirectional communication system
- Publication number 20060023754
- Publication date Feb 2, 2006
- CIENA Corporation
- Balakrishnan Sridhar
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Optical communication system having dynamic gain equalization
- Publication number 20050094252
- Publication date May 5, 2005
- CIENA Corporation
- Charles W. Haggans
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Method and system for controlling amplifier power in an optical com...
- Publication number 20030151803
- Publication date Aug 14, 2003
- James E. DeGrange
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Method and system for controlling amplifier power in an optical com...
- Publication number 20030025990
- Publication date Feb 6, 2003
- CIENA Corporation
- James E. DeGrange
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Method and system for controlling amplifier power in an optical com...
- Publication number 20020186459
- Publication date Dec 12, 2002
- CIENA Corporation
- James E. DeGrange
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Power balanced optical add/drop multiplexer and power balancing met...
- Publication number 20020105694
- Publication date Aug 8, 2002
- CIENA Corporation
- James E. DeGrange
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Power balanced optical add multiplexer and power balancing methods...
- Publication number 20020105695
- Publication date Aug 8, 2002
- CIENA Corporation
- James E. DeGrange
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Balakrishnan Sridhar

Person

Patents Grantslast 30 patents

Optical switch with integrated fast protection

Monitoring burst errors in forward error correction frames

Cascaded optical switch

Hybrid compensation of chromatic dispersion in optical networks

Raman amplifier system and method with integrated optical time doma...

Four-wave mixing reduction due to raman pumps in optical communicat...

Systems and methods for modular deployment and upgrade of multiple...

Raman amplifier system and method with integrated optical time doma...

Raman amplifier system and method with integrated optical time doma...

Differentiation of power and channel count changes in optically amp...

Raman amplifier gain compression systems and methods based on signa...

Extended dynamic range optical amplifier

Optical service channel systems and methods over high loss links

Wavelength-switched optical add-drop multiplexer with wavelength br...

Dispersion slope compensation and dispersion map management systems...

Differentiation of power and channel count changes in optically amp...

Systems and methods for adaptive gain control to compensate OSNR pe...

Multi-channel protection switching systems and methods for increase...

Bidirectional communication system

Method and apparatus for optical amplifying device gain control wit...

Optical amplifier pre-emphasis and equalization method and optical...

Optical communication system having dynamic gain equalization

Method and system for controlling amplifier power in an optical com...

Optical communication system having dynamic gain equalization

Method and system for suppressing ASE on a WDM network

Optical communication system having dynamic gain equalization

Power balanced optical add multiplexer and power balancing methods...

Three-stage optical amplifier having flat spectral gain

Power balanced optical add/drop multiplexer and power balancing met...

Optical supervisory channel apparatus and method for measuring opti...

Patents Applicationslast 30 patents

MONITORING BURST ERRORS IN FORWARD ERROR CORRECTION FRAMES

CASCADED OPTICAL SWITCH

OPTICAL SWITCH WITH INTEGRATED FAST PROTECTION

Physical-Layer Security for Coherent Communications System

SYSTEMS AND METHODS FOR MODULAR DEPLOYMENT AND UPGRADE OF MULTIPLE...

RAMAN AMPLIFIER SYSTEM AND METHOD WITH INTEGRATED OPTICAL TIME DOMA...

RAMAN AMPLIFIER SYSTEM AND METHOD WITH INTEGRATED OPTICAL TIME DOMA...

EXTENDED DYNAMIC RANGE OPTICAL AMPLIFIER

RAMAN AMPLIFIER GAIN COMPRESSION SYSTEMS AND METHODS BASED ON SIGNA...

RAMAN AMPLIFIER SYSTEM AND METHOD WITH INTEGRATED OPTICAL TIME DOMA...

OPTICAL SERVICE CHANNEL SYSTEMS AND METHODS OVER HIGH LOSS LINKS

DIFFERENTIATION OF POWER AND CHANNEL COUNT CHANGES IN OPTICALLY AMP...

DISPERSION SLOPE COMPENSATION AND DISPERSION MAP MANAGEMENT SYSTEMS...

WAVELENGTH-SWITCHED OPTICAL ADD-DROP MULTIPLEXER WITH WAVELENGTH BR...

Systems and methods for adaptive gain control to compensate OSNR pe...

Optical amplifier pre-emphasis and equalization method and optical...

Multi-channel protection switching systems and methods for increase...

Differentiation of power and channel count changes in optically amp...

Bidirectional communication system

Optical communication system having dynamic gain equalization

Method and system for controlling amplifier power in an optical com...

Method and system for controlling amplifier power in an optical com...

Method and system for controlling amplifier power in an optical com...

Power balanced optical add/drop multiplexer and power balancing met...

Power balanced optical add multiplexer and power balancing methods...