Robert William Tkach

Person

Little Silver, NJ, US

People

Patents Grantslast 30 patents

Information Patent Grant
Communication through multiplexed one-dimensional optical signals
- Patent number 9,300,400
- Issue date Mar 29, 2016
- Alcatel Lucent
- Xiang Liu
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Communication through pre-dispersion-compensated phase-conjugated o...
- Patent number 8,934,786
- Issue date Jan 13, 2015
- Alcatel Lucent
- Xiang Liu
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
System, method and apparatus for high-sensitivity optical detection
- Patent number 8,879,922
- Issue date Nov 4, 2014
- Alcatel Lucent
- Xiang Liu
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
System, method, and apparatus for high-sensitivity optical detection
- Patent number 8,744,275
- Issue date Jun 3, 2014
- LGS Innovations LLC
- Xiang Liu
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
System, method, and apparatus for high-sensitivity optical detection
- Patent number 8,682,181
- Issue date Mar 25, 2014
- Alcatel Lucent
- Xiang Liu
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Digital phase conjugation for fiber-optic links
- Patent number 8,594,515
- Issue date Nov 26, 2013
- Alcatel Lucent
- Xiang Liu
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Apparatus and method for generating frequency-locked optical comb s...
- Patent number 8,483,575
- Issue date Jul 9, 2013
- Alcatel Lucent
- Xiang Liu
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
System, method and apparatus for joint self phase modulation compen...
- Patent number 8,204,377
- Issue date Jun 19, 2012
- Alcatel Lucent
- Xiang Liu
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Digital coherent detection of multi-carrier optical signal
- Patent number 8,180,227
- Issue date May 15, 2012
- Alcatel Lucent
- Xiang Liu
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Methods of restoration in an ultra-long haul optical network
- Patent number 7,805,075
- Issue date Sep 28, 2010
- AT&T Intellectual Property II, L.P.
- Angela Chiu
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Methods of restoration in an ultra-long haul optical network
- Patent number 7,526,198
- Issue date Apr 28, 2009
- AT&T Corp.
- Angela Chiu
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
System and method of wavelength add/drop multiplexing having client...
- Patent number 7,231,147
- Issue date Jun 12, 2007
- AT&T Corp.
- Evan L. Goldstein
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Methods and systems for fast restoration in a mesh network of optic...
- Patent number 7,088,676
- Issue date Aug 8, 2006
- AT&T Corp.
- Robert Duncan Doverspike
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Methods and systems for fast restoration in a mesh network of optic...
- Patent number 6,970,417
- Issue date Nov 29, 2005
- AT&T Corp.
- Robert Duncan Doverspike
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
System and method of wavelength add/drop multiplexing having client...
- Patent number 6,928,244
- Issue date Aug 9, 2005
- AT&T Corp.
- Evan L. Goldstein
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Angular-precision enhancement in free-space micromachined optical s...
- Patent number 6,606,428
- Issue date Aug 12, 2003
- AT&T Corp.
- Evan Lee Goldstein
- B81 - MICRO-STRUCTURAL TECHNOLOGY
Information Patent Grant
Micro-machined tunable delay line
- Patent number 6,498,673
- Issue date Dec 24, 2002
- AT&T Corp.
- Nicholas J. Frigo
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Micro-machine polarization-state controller
- Patent number 6,445,485
- Issue date Sep 3, 2002
- AT&T Corp.
- Nicholas J. Frigo
- G02 - OPTICS
Information Patent Grant
Method and apparatus for low loss via geometrical optimization in f...
- Patent number 6,317,532
- Issue date Nov 13, 2001
- AT&T Corp.
- Lih Yuan Lin
- G02 - OPTICS
Information Patent Grant
Angular-precision enhancement in free-space micromachined optical s...
- Patent number 6,292,600
- Issue date Sep 18, 2001
- AT&T Corp.
- Evan Lee Goldstein
- B81 - MICRO-STRUCTURAL TECHNOLOGY
Information Patent Grant
Method and apparatus for curvature-resistant micro-mirror structure...
- Patent number 6,271,958
- Issue date Aug 7, 2001
- AT&T Corp.
- Lih Yuan Lin
- G02 - OPTICS
Information Patent Grant
WDM optical fiber system using Raman amplification
- Patent number 6,191,877
- Issue date Feb 20, 2001
- Lucent Technologies Inc.
- Andrew R. Chraplyvy
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical fiber for wavelength division multiplexing
- Patent number 6,011,892
- Issue date Jan 4, 2000
- Lucent Technologies Inc.
- Andrew R. Chraplyvy
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
System and method for mitigating cross-saturation in optically ampl...
- Patent number 5,907,420
- Issue date May 25, 1999
- Lucent Technologies, Inc.
- Andrew R. Chraplyvy
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method of fast gain control in WDM optical networks
- Patent number 5,900,968
- Issue date May 4, 1999
- Lucent Technologies Inc.
- Atul Kumar Srivastava
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Layered switch architectures for high-capacity optical transport ne...
- Patent number 5,878,177
- Issue date Mar 2, 1999
- AT&T Corp.
- Ezhan Karasan
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Multi-channel optical fiber communication system
- Patent number 5,847,862
- Issue date Dec 8, 1998
- Lucent Technologies Incorporated
- Andrew R. Chraplyvy
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
High capacity optical fiber network
- Patent number 5,831,761
- Issue date Nov 3, 1998
- Lucent Technologies Incorporated
- Andrew R. Chraplyvy
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
High capacity optical fiber network
- Patent number 5,719,696
- Issue date Feb 17, 1998
- Lucent Technologies Inc.
- Andrew R. Chraplyvy
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
High capacity optical fiber network
- Patent number 5,587,830
- Issue date Dec 24, 1996
- Lucent Technologies Inc.
- Andrew R. Chraplyvy
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
COMMUNICATION THROUGH MULTIPLEXED ONE-DIMENSIONAL OPTICAL SIGNALS
- Publication number 20130136449
- Publication date May 30, 2013
- Xiang Liu
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
System, Method And Apparatus For High-Sensitivity Optical Detection
- Publication number 20130089339
- Publication date Apr 11, 2013
- Xiang Liu
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
COMMUNICATION THROUGH PRE-DISPERSION-COMPENSATED PHASE-CONJUGATED O...
- Publication number 20130071119
- Publication date Mar 21, 2013
- Alcatel-Lucent USA Inc.
- Xiang Liu
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Communication Through Phase-Conjugated Optical Variants
- Publication number 20130070786
- Publication date Mar 21, 2013
- Xiang Liu
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Application
System, Method, and Apparatus for High-Sensitivity Optical Detection
- Publication number 20120224852
- Publication date Sep 6, 2012
- Xiang Liu
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
DIGITAL PHASE CONJUGATION FOR FIBER-OPTIC LINKS
- Publication number 20120224855
- Publication date Sep 6, 2012
- Alcatel-Lucent USA Inc.
- Xiang Liu
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
System, Method, and Apparatus for High-Sensitivity Optical Detection
- Publication number 20120224862
- Publication date Sep 6, 2012
- Xiang Liu
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
OPTICAL TRANSPORT MULTIPLEXING CLIENT TRAFFIC ONTO PARALLEL LINE SY...
- Publication number 20120189303
- Publication date Jul 26, 2012
- Peter J. Winzer
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Apparatus And Method For Monitoring An Optical Coherent Network
- Publication number 20120170929
- Publication date Jul 5, 2012
- Chongjin Xie
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
METHOD AND APPARATUS FOR RAMAN CO-PUMPS
- Publication number 20120002283
- Publication date Jan 5, 2012
- Chongjin Xie
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Apparatus and Method For Generating Frequency-Locked Optical Comb S...
- Publication number 20110170873
- Publication date Jul 14, 2011
- Xiang Liu
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Digital Coherent Detection of Multi-Carrier Optical Signal
- Publication number 20110069975
- Publication date Mar 24, 2011
- Xiang Liu
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
System, method and apparatus for joint self phase modulation compen...
- Publication number 20100104284
- Publication date Apr 29, 2010
- Xiang Liu
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
METHODS OF RESTORATION IN AN ULTRA-LONG HAUL OPTICAL NETWORK
- Publication number 20090208203
- Publication date Aug 20, 2009
- Angela Chiu
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Angular-precision enhancement in free-space micromachined optical s...
- Publication number 20010053261
- Publication date Dec 20, 2001
- AT&T Corp.
- Evan Lee Goldstein
- B81 - MICRO-STRUCTURAL TECHNOLOGY

Robert William Tkach

Person

Patents Grantslast 30 patents

Communication through multiplexed one-dimensional optical signals

Communication through pre-dispersion-compensated phase-conjugated o...

System, method and apparatus for high-sensitivity optical detection

System, method, and apparatus for high-sensitivity optical detection

System, method, and apparatus for high-sensitivity optical detection

Digital phase conjugation for fiber-optic links

Apparatus and method for generating frequency-locked optical comb s...

System, method and apparatus for joint self phase modulation compen...

Digital coherent detection of multi-carrier optical signal

Methods of restoration in an ultra-long haul optical network

Methods of restoration in an ultra-long haul optical network

System and method of wavelength add/drop multiplexing having client...

Methods and systems for fast restoration in a mesh network of optic...

Methods and systems for fast restoration in a mesh network of optic...

System and method of wavelength add/drop multiplexing having client...

Angular-precision enhancement in free-space micromachined optical s...

Micro-machined tunable delay line

Micro-machine polarization-state controller

Method and apparatus for low loss via geometrical optimization in f...

Angular-precision enhancement in free-space micromachined optical s...

Method and apparatus for curvature-resistant micro-mirror structure...

WDM optical fiber system using Raman amplification

Optical fiber for wavelength division multiplexing

System and method for mitigating cross-saturation in optically ampl...

Method of fast gain control in WDM optical networks

Layered switch architectures for high-capacity optical transport ne...

Multi-channel optical fiber communication system

High capacity optical fiber network

High capacity optical fiber network

High capacity optical fiber network

Patents Applicationslast 30 patents

COMMUNICATION THROUGH MULTIPLEXED ONE-DIMENSIONAL OPTICAL SIGNALS

System, Method And Apparatus For High-Sensitivity Optical Detection

COMMUNICATION THROUGH PRE-DISPERSION-COMPENSATED PHASE-CONJUGATED O...

Communication Through Phase-Conjugated Optical Variants

System, Method, and Apparatus for High-Sensitivity Optical Detection

DIGITAL PHASE CONJUGATION FOR FIBER-OPTIC LINKS

System, Method, and Apparatus for High-Sensitivity Optical Detection

OPTICAL TRANSPORT MULTIPLEXING CLIENT TRAFFIC ONTO PARALLEL LINE SY...

Apparatus And Method For Monitoring An Optical Coherent Network

METHOD AND APPARATUS FOR RAMAN CO-PUMPS

Apparatus and Method For Generating Frequency-Locked Optical Comb S...

Digital Coherent Detection of Multi-Carrier Optical Signal

System, method and apparatus for joint self phase modulation compen...

METHODS OF RESTORATION IN AN ULTRA-LONG HAUL OPTICAL NETWORK

Angular-precision enhancement in free-space micromachined optical s...