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Ellicot City, MD, US
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Patents Grants
last 30 patents
Information
Patent Grant
Optimized directionless optical add/drop module systems and methods
Patent number
8,457,497
Issue date
Jun 4, 2013
Ciena Corporation
Shan Zhong
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Polarization control systems and methods with endless polarization...
Patent number
8,305,504
Issue date
Nov 6, 2012
Ciena Corporation
Yunfeng Shen
G02 - OPTICS
Information
Patent Grant
Polarization mode dispersion compensation and polarization demultip...
Patent number
8,045,856
Issue date
Oct 25, 2011
CIENA Corporation
Yunfeng Shen
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Performance optimized receiver with bandwidth adaptive optical filt...
Patent number
7,965,950
Issue date
Jun 21, 2011
CIENA Corporation
Mark Childers
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Signal distribution module for a directionless reconfigurable optic...
Patent number
7,899,334
Issue date
Mar 1, 2011
CIENA Corporation
Shan Zhong
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Systems and methods for providing a three-port reconfigurable optic...
Patent number
7,809,272
Issue date
Oct 5, 2010
CIENA Corporation
Shan Zhong
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Modular add/drop multiplexer including a wavelength selective switch
Patent number
7,697,843
Issue date
Apr 13, 2010
CIENA Corporation
Shan Zhong
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Modular add/drop multiplexer including a wavelength selective switch
Patent number
7,499,652
Issue date
Mar 3, 2009
CIENA Corporation
Shan Zhong
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Modular add/drop multiplexer including a wavelength selective switch
Patent number
7,308,197
Issue date
Dec 11, 2007
CIENA Corporation
Shan Zhong
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Switching status and performance monitoring technology for waveleng...
Patent number
7,254,327
Issue date
Aug 7, 2007
CIENA Corporation
Shan Zhong
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Flexible wavelength selective switch fabric with arbitrary add and...
Patent number
7,231,107
Issue date
Jun 12, 2007
CIENA Corporation
Shan Zhong
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Patents Applications
last 30 patents
Information
Patent Application
POLARIZATION CONTROL SYSTEMS AND METHODS WITH ENDLESS POLARIZATION...
Publication number
20110007232
Publication date
Jan 13, 2011
Yunfeng Shen
G02 - OPTICS
Information
Patent Application
OPTIMIZED DIRECTIONLESS OPTICAL ADD/DROP MODULE SYSTEMS AND METHODS
Publication number
20100129082
Publication date
May 27, 2010
Shan ZHONG
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
POLARIZATION MODE DISPERSION COMPENSATION AND POLARIZATION DEMULTIP...
Publication number
20100111530
Publication date
May 6, 2010
Yunfeng Shen
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
OPTICAL PHASE-SHIFT-KEYING DEMODULATOR BIAS CONTROL METHOD
Publication number
20090226186
Publication date
Sep 10, 2009
Jose E. ROMAN
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
PERFORMANCE OPTIMIZED RECEIVER WITH BANDWIDTH ADAPTIVE OPTICAL FILT...
Publication number
20090097849
Publication date
Apr 16, 2009
Mark Childers
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
SIGNAL DISTRIBUTION MODULE FOR A DIRECTIONLESS RECONFIGURABLE OPTIC...
Publication number
20090067845
Publication date
Mar 12, 2009
SHAN ZHONG
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Systems And Methods For Providing A Three-Port Reconfigurable Optic...
Publication number
20090041463
Publication date
Feb 12, 2009
Shan Zhong
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
MODULAR ADD/DROP MULTIPLEXER INCLUDING A WAVELENGTH SELECTIVE SWITCH
Publication number
20090016717
Publication date
Jan 15, 2009
Shan Zhong
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
MODULAR ADD/DROP MULTIPLEXER INCLUDING A WAVELENGTH SELECTIVE SWITCH
Publication number
20080002974
Publication date
Jan 3, 2008
Shan Zhong
H04 - ELECTRIC COMMUNICATION TECHNIQUE