Jian-Yu Liu

Person

Garland, TX, US

People

Patents Grantslast 30 patents

Information Patent Grant
Compact wavelength filter using optical birefringence and reflectiv...
- Patent number 6,847,786
- Issue date Jan 25, 2005
- EC-Optics Technology, Inc.
- Charles Wong
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical add/drop wavelength switch
- Patent number 6,600,582
- Issue date Jul 29, 2003
- Chorum Technologies LP
- Jian-Yu Liu
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Programmable optical add/drop multiplexer
- Patent number 6,552,833
- Issue date Apr 22, 2003
- Macro-Vision Communications, Inc.
- Jian-Yu Liu
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
System for dealing with faults in an optical link
- Patent number 6,545,779
- Issue date Apr 8, 2003
- Chorum Technologies LP
- Jian-Yu Liu
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical wavelength add/drop multiplexer
- Patent number 6,545,783
- Issue date Apr 8, 2003
- Chorum Technologies LP
- Kuang-Yi Wu
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical routing switch using symmetric liquid crystal cells
- Patent number 6,519,022
- Issue date Feb 11, 2003
- Chorum Technologies LP
- Ming Xu
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Synchronous optical network in frequency domain
- Patent number 6,519,060
- Issue date Feb 11, 2003
- Chorum Technologies LP
- Jian-Yu Liu
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Bandwidth variable wavelength router and method of operation
- Patent number 6,515,786
- Issue date Feb 4, 2003
- Chorum Technologies LP
- Tiejun Xia
- G02 - OPTICS
Information Patent Grant
Method and apparatus for wavelength multiplexing/demultiplexing
- Patent number 6,512,615
- Issue date Jan 28, 2003
- Chorum Technologies LP
- Kuang-Yi Wu
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Temperature insensitive polarization filter
- Patent number 6,510,004
- Issue date Jan 21, 2003
- Chorum Technologies LP
- Kuang-Yi Wu
- G02 - OPTICS
Information Patent Grant
N×M digitally programmable optical routing switch
- Patent number 6,452,702
- Issue date Sep 17, 2002
- Chorum Technologies LP
- Kuang-Yi Wu
- G02 - OPTICS
Information Patent Grant
Dynamic gain equalizer for optical amplifiers
- Patent number 6,429,962
- Issue date Aug 6, 2002
- Chorum Technologies LP
- Ming Xu
- G02 - OPTICS
Information Patent Grant
Wide transmission optical comb filter with wide pass band and wide...
- Patent number 6,426,816
- Issue date Jul 30, 2002
- Chorum Technologies, LP
- Kuang-Yi Wu
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Dispersion compensation for optical systems
- Patent number 6,396,609
- Issue date May 28, 2002
- Chorum Technologies, LP
- Chi-Hao Cheng
- G02 - OPTICS
Information Patent Grant
Acute twist nematic (ATN) liquid crystal device for optical communi...
- Patent number 6,353,467
- Issue date Mar 5, 2002
- Chorum Technologies Inc.
- Charles Wong
- G02 - OPTICS
Information Patent Grant
NxN switch array with polarization displacer
- Patent number 6,337,934
- Issue date Jan 8, 2002
- Chorum Technologies, Inc.
- Kuang-Yi Wu
- G02 - OPTICS
Information Patent Grant
Optical wavelength router
- Patent number 6,288,807
- Issue date Sep 11, 2001
- Chorum Technologies LP
- Kuang-Yi Wu
- G02 - OPTICS
Information Patent Grant
Programmable optical add/drop device
- Patent number 6,285,478
- Issue date Sep 4, 2001
- Chorum Technologies LP
- Jian-Yu Liu
- G02 - OPTICS
Information Patent Grant
Optical routing switch
- Patent number 6,275,312
- Issue date Aug 14, 2001
- Chorum Technologies LP
- Michael J. Derks
- G02 - OPTICS
Information Patent Grant
Programmable optical multiplexer
- Patent number 6,208,442
- Issue date Mar 27, 2001
- Chorum Technologies, Inc.
- Jian-Yu Liu
- G02 - OPTICS
Information Patent Grant
Apparatus for wavelength demultiplexing using a multi-cavity etalon
- Patent number 6,208,444
- Issue date Mar 27, 2001
- Chorum Technologies Inc.
- Seng-Ieong Wong
- G02 - OPTICS
Information Patent Grant
Optical communication system having a liquid crystal routing switch
- Patent number 6,201,593
- Issue date Mar 13, 2001
- Chorum Technologies, Inc.
- Charles Wong
- G02 - OPTICS
Information Patent Grant
Multi-wavelength cross-connect optical network
- Patent number 6,175,432
- Issue date Jan 16, 2001
- Chorum Technologies Inc.
- Kuang-Yi Wu
- G02 - OPTICS
Information Patent Grant
Optical add/drop wavelength switch
- Patent number 6,166,838
- Issue date Dec 26, 2000
- Chorum Technologies, Inc.
- Jian-Yu Liu
- G02 - OPTICS
Information Patent Grant
Method and apparatus for wavelength multipexing/demultiplexing
- Patent number 6,163,393
- Issue date Dec 19, 2000
- Chorum Technologies Inc.
- Kuang-Yi Wu
- G02 - OPTICS
Information Patent Grant
Spatial light modulators constructed from ferroelectric liquid crys...
- Patent number 6,141,076
- Issue date Oct 31, 2000
- Chorum Technologies, Inc.
- Jian-Yu Liu
- G02 - OPTICS
Information Patent Grant
Optical wavelength router
- Patent number 6,137,606
- Issue date Oct 24, 2000
- Chorum Technologies, Inc.
- Kuang-Yi Wu
- G02 - OPTICS
Information Patent Grant
N x N switch array with reduced components
- Patent number 6,134,358
- Issue date Oct 17, 2000
- Chorum Technologies Inc.
- Kuang-Yi Wu
- G02 - OPTICS
Information Patent Grant
System for dealing with faults in an optical link
- Patent number 6,115,155
- Issue date Sep 5, 2000
- Chorum Technologies Inc.
- Jian-Yu Liu
- G02 - OPTICS
Information Patent Grant
N x M optical wavelength routing switch
- Patent number 6,097,518
- Issue date Aug 1, 2000
- Chorum Technologies Inc.
- Kuang-Yi Wu
- G02 - OPTICS

Patents Applicationslast 30 patents

Information Patent Application
TUNABLE LASER
- Publication number 20100322269
- Publication date Dec 23, 2010
- COGO OPTRONICS, INC.
- Jian-Yu Liu
- G02 - OPTICS
Information Patent Application
BANDWIDTH VARIABLE WAVELENGTH ROUTER AND METHOD OF OPERATION
- Publication number 20030030881
- Publication date Feb 13, 2003
- Chorum Technologies LP
- Tiejun Xia
- G02 - OPTICS
Information Patent Application
Compact wavelength filter using optical birefringence and reflectiv...
- Publication number 20020163691
- Publication date Nov 7, 2002
- Charles Wong
- G02 - OPTICS
Information Patent Application
DYNAMIC GAIN EQUALIZER FOR OPTICAL AMPLIFIERS
- Publication number 20020093725
- Publication date Jul 18, 2002
- Ming Xu
- G02 - OPTICS
Information Patent Application
Programmable wavelength router
- Publication number 20020051266
- Publication date May 2, 2002
- Kuang-Yi Wu
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Method and apparatus for wavelength multiplexing/demultiplexing
- Publication number 20020030866
- Publication date Mar 14, 2002
- Kuang-Yi Wu
- G02 - OPTICS
Information Patent Application
Programmable optical add/drop multiplexer
- Publication number 20010038479
- Publication date Nov 8, 2001
- Chorum Technologies LP
- Jian-Yu Liu
- G02 - OPTICS

Jian-Yu Liu

Person

Patents Grantslast 30 patents

Compact wavelength filter using optical birefringence and reflectiv...

Optical add/drop wavelength switch

Programmable optical add/drop multiplexer

System for dealing with faults in an optical link

Optical wavelength add/drop multiplexer

Optical routing switch using symmetric liquid crystal cells

Synchronous optical network in frequency domain

Bandwidth variable wavelength router and method of operation

Method and apparatus for wavelength multiplexing/demultiplexing

Temperature insensitive polarization filter

N&#x000D7;M digitally programmable optical routing switch

Dynamic gain equalizer for optical amplifiers

Wide transmission optical comb filter with wide pass band and wide...

Dispersion compensation for optical systems

Acute twist nematic (ATN) liquid crystal device for optical communi...

NxN switch array with polarization displacer

Optical wavelength router

Programmable optical add/drop device

Optical routing switch

Programmable optical multiplexer

Apparatus for wavelength demultiplexing using a multi-cavity etalon

Optical communication system having a liquid crystal routing switch

Multi-wavelength cross-connect optical network

Optical add/drop wavelength switch

Method and apparatus for wavelength multipexing/demultiplexing

Spatial light modulators constructed from ferroelectric liquid crys...

Optical wavelength router

N x N switch array with reduced components

System for dealing with faults in an optical link

N x M optical wavelength routing switch

Patents Applicationslast 30 patents

TUNABLE LASER

BANDWIDTH VARIABLE WAVELENGTH ROUTER AND METHOD OF OPERATION

Compact wavelength filter using optical birefringence and reflectiv...

DYNAMIC GAIN EQUALIZER FOR OPTICAL AMPLIFIERS

Programmable wavelength router

Method and apparatus for wavelength multiplexing/demultiplexing

Programmable optical add/drop multiplexer

N×M digitally programmable optical routing switch