Aref Chowdhury

Person

Madison, WI, US

People

Patents Grantslast 30 patents

Information Patent Grant
Communication system for connecting network hosts
- Patent number 10,200,144
- Issue date Feb 5, 2019
- Nokia of America Corporation
- Aref Chowdhury
- G02 - OPTICS
Information Patent Grant
Optical spatial division multiplexing usable at short reach
- Patent number 10,075,257
- Issue date Sep 11, 2018
- Nokia of America Corporation
- Aref Chowdhury
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Hybrid optical switch for software-defined networking
- Patent number 9,712,899
- Issue date Jul 18, 2017
- Alcatel Lucent
- Marcus Weldon
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Energy-management in a user-premises area network
- Patent number 9,363,103
- Issue date Jun 7, 2016
- Alcatel Lucent
- Aref Chowdhury
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical wavelength-selective switch with a bank of wavelength conve...
- Patent number 9,319,757
- Issue date Apr 19, 2016
- Alcatel Lucent
- Aref Chowdhury
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Reducing crosstalk in optical wavelength converters
- Patent number 9,054,807
- Issue date Jun 9, 2015
- Alcatel Lucent
- Aref Chowdhury
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method employing multiferroic materials for tunable permittivity or...
- Patent number 8,615,150
- Issue date Dec 24, 2013
- Alcatel Lucent
- Aref Chowdhury
- G02 - OPTICS
Information Patent Grant
Group III-nitride layers with patterned surfaces
- Patent number 8,613,860
- Issue date Dec 24, 2013
- Alcatel Lucent
- Aref Chowdhury
- B81 - MICRO-STRUCTURAL TECHNOLOGY
Information Patent Grant
DNA structures on ferroelectrics and semiconductors
- Patent number 8,569,042
- Issue date Oct 29, 2013
- Alcatel Lucent
- Aref Chowdhury
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Asymmetric long-haul transmission paths with optical phase conjugation
- Patent number 8,396,372
- Issue date Mar 12, 2013
- Alcatel Lucent
- Aref Chowdhury
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Apparatus employing multiferroic materials for tunable permittivity...
- Patent number 8,280,210
- Issue date Oct 2, 2012
- Alcatel Lucent
- Aref Chowdhury
- G02 - OPTICS
Information Patent Grant
Group III-nitride layers with patterned surfaces
- Patent number 8,070,966
- Issue date Dec 6, 2011
- Alcatel Lucent
- Aref Chowdhury
- B81 - MICRO-STRUCTURAL TECHNOLOGY
Information Patent Grant
Surface-plasmon-assisted optical frequency conversion
- Patent number 8,005,331
- Issue date Aug 23, 2011
- Alcatel Lucent
- Girsh Blumberg
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Surface-plasmon-assisted optical frequency conversion
- Patent number 7,920,766
- Issue date Apr 5, 2011
- Alcatel-Lucent USA Inc.
- Girsh Blumberg
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Chirped metamaterials
- Patent number 7,848,026
- Issue date Dec 7, 2010
- Alcatel-Lucent USA Inc.
- Aref Chowdhury
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Cloaking device detection system
- Patent number 7,795,596
- Issue date Sep 14, 2010
- Alcatel-Lucent USA Inc.
- Aref Chowdhury
- G01 - MEASURING TESTING
Information Patent Grant
Negative refractive index device for generating terahertz or microw...
- Patent number 7,745,790
- Issue date Jun 29, 2010
- Alcatel-Lucent USA Inc.
- Aref Chowdhury
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Nonlinear optical devices based on metamaterials
- Patent number 7,586,670
- Issue date Sep 8, 2009
- Alcatel-Lucent USA Inc.
- Aref Chowdhury
- G02 - OPTICS
Information Patent Grant
Processes and systems involving optical phase conjugators
- Patent number 7,558,485
- Issue date Jul 7, 2009
- Alcatel-Lucent USA Inc.
- Aref Chowdhury
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Group III-nitride layers with patterned surfaces
- Patent number 7,468,578
- Issue date Dec 23, 2008
- Alcatel-Lucent USA Inc.
- Aref Chowdhury
- B81 - MICRO-STRUCTURAL TECHNOLOGY
Information Patent Grant
Low total excursion dispersion maps
- Patent number 7,454,144
- Issue date Nov 18, 2008
- Lucent Technologies Inc.
- Aref Chowdhury
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Polarization-diverse optical amplification
- Patent number 7,433,117
- Issue date Oct 7, 2008
- Lucent Technologies Inc.
- Aref Chowdhury
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Low total excursion dispersion maps
- Patent number 7,280,765
- Issue date Oct 9, 2007
- Lucent Technologies Inc.
- Aref Chowdhury
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Reducing crosstalk in free-space optical communications
- Patent number 7,266,257
- Issue date Sep 4, 2007
- Lucent Technologies Inc.
- Aref Chowdhury
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical frequency-converters based on group III-nitrides
- Patent number 7,099,073
- Issue date Aug 29, 2006
- Lucent Technologies Inc.
- Aref Chowdhury
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Group III-nitride layers with patterned surfaces
- Patent number 7,084,563
- Issue date Aug 1, 2006
- Lucent Technologies Inc.
- Aref Chowdhury
- B81 - MICRO-STRUCTURAL TECHNOLOGY
Information Patent Grant
Electro-optic devices having flattened frequency response with redu...
- Patent number 7,079,714
- Issue date Jul 18, 2006
- Lucent Technologies Inc.
- Aref Chowdhury
- G02 - OPTICS
Information Patent Grant
Group III-nitride layers with patterned surfaces
- Patent number 6,986,693
- Issue date Jan 17, 2006
- Lucent Technologies Inc.
- Aref Chowdhury
- B81 - MICRO-STRUCTURAL TECHNOLOGY
Information Patent Grant
Method and apparatus for generating a sequence of optical wavelengt...
- Patent number 6,856,450
- Issue date Feb 15, 2005
- Lucent Technologies Inc.
- Aref Chowdhury
- G02 - OPTICS
Information Patent Grant
Thin film lithium niobate and method of producing the same
- Patent number 6,846,428
- Issue date Jan 25, 2005
- Wisconsin Alumni Research Foundation
- Leon McCaughan
- G02 - OPTICS

Patents Applicationslast 30 patents

Information Patent Application
OPTICAL SPATIAL DIVISION MULTIPLEXING USABLE AT SHORT REACH
- Publication number 20170201341
- Publication date Jul 13, 2017
- Alcatel-Lucent USA Inc.
- Aref Chowdhury
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
HYBRID OPTICAL SWITCH FOR SOFTWARE-DEFINED NETWORKING
- Publication number 20160173964
- Publication date Jun 16, 2016
- Alcatel-Lucent USA Inc.
- Marcus Weldon
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Optical Wavelength-Selective Switch With A Bank Of Wavelength Conve...
- Publication number 20140177658
- Publication date Jun 26, 2014
- Aref Chowdhury
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
ENERGY-MANAGEMENT IN A USER-PREMISES AREA NETWORK
- Publication number 20130344875
- Publication date Dec 26, 2013
- Alcatel-Lucent USA Inc.
- Aref Chowdhury
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
EMPLOYING MULTIFERROIC MATERIALS FOR TUNABLE PERMITTIVITY OR PERMEA...
- Publication number 20120314987
- Publication date Dec 13, 2012
- Alcatel-Lucent USA, Inc.
- Aref Chowdhury
- G02 - OPTICS
Information Patent Application
Group III-Nitride Layers With Patterned Surfaces
- Publication number 20120028448
- Publication date Feb 2, 2012
- Aref Chowdhury
- B81 - MICRO-STRUCTURAL TECHNOLOGY
Information Patent Application
SURFACE-PLASMON-ASSISTED OPTICAL FREQUENCY CONVERSION
- Publication number 20110128614
- Publication date Jun 2, 2011
- Alcatel-Lucent USA Inc.
- Girsh Blumberg
- G02 - OPTICS
Information Patent Application
MULTIFERROIC MATERIALS FOR TUNABLE PERMITTIVITY OR PERMEABILITY
- Publication number 20110008008
- Publication date Jan 13, 2011
- Alcatel-Lucent USA, Inc.
- Aref Chowdhury
- G02 - OPTICS
Information Patent Application
SURFACE-PLASMON-ASSISTED OPTICAL FREQUENCY CONVERSION
- Publication number 20100202728
- Publication date Aug 12, 2010
- Alcatel-Lucent USA Inc.
- Girsh Blumberg
- G02 - OPTICS
Information Patent Application
CONDUCTIVE POLYMER METAMATERIALS
- Publication number 20100086750
- Publication date Apr 8, 2010
- Lucent Technologies Inc.
- Girsh Blumberg
- B32 - LAYERED PRODUCTS
Information Patent Application
Chirped Metamaterials
- Publication number 20100053763
- Publication date Mar 4, 2010
- Aref Chowdhury
- G02 - OPTICS
Information Patent Application
Audio Noise Cancellation System
- Publication number 20100054490
- Publication date Mar 4, 2010
- Lucent Technologies Inc.
- Aref Chowdhury
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Application
Cloaking device detection system
- Publication number 20090173886
- Publication date Jul 9, 2009
- Lucent Technologies, Inc.
- Aref Chowdhury
- G01 - MEASURING TESTING
Information Patent Application
Group III-Nitride layers with patterned surfaces
- Publication number 20090139957
- Publication date Jun 4, 2009
- Aref Chowdhury
- B81 - MICRO-STRUCTURAL TECHNOLOGY
Information Patent Application
Negative Refractive Index Device for Generating Terahertz or Microw...
- Publication number 20090127472
- Publication date May 21, 2009
- Lucent Technologies Incorporated
- Aref Chowdhury
- G02 - OPTICS
Information Patent Application
LOW TOTAL EXCURSION DISPERSION MAPS
- Publication number 20070286607
- Publication date Dec 13, 2007
- Lucent Technologies Inc.
- Aref Chowdhury
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Nonlinear optical devices based on metamaterials
- Publication number 20070263278
- Publication date Nov 15, 2007
- Aref Chowdhury
- G02 - OPTICS
Information Patent Application
Polarization-diverse optical amplification
- Publication number 20070253055
- Publication date Nov 1, 2007
- Aref Chowdhury
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Polarization-diverse negative-refractive-index apparatus and methods
- Publication number 20070041733
- Publication date Feb 22, 2007
- Aref Chowdhury
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Reducing crosstalk in optical wavelength converters
- Publication number 20060269292
- Publication date Nov 30, 2006
- Aref Chowdhury
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Group III-nitride layers with patterned surfaces
- Publication number 20060220525
- Publication date Oct 5, 2006
- Aref Chowdhury
- B81 - MICRO-STRUCTURAL TECHNOLOGY
Information Patent Application
DNA structures on ferroelectrics and semiconductors
- Publication number 20060210993
- Publication date Sep 21, 2006
- Aref Chowdhury
- G02 - OPTICS
Information Patent Application
Asymmetric long-haul transmission paths with optical phase conjugation
- Publication number 20060045541
- Publication date Mar 2, 2006
- Aref Chowdhury
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Group III-nitride layers with patterned surfaces
- Publication number 20050269593
- Publication date Dec 8, 2005
- Aref Chowdhury
- B81 - MICRO-STRUCTURAL TECHNOLOGY
Information Patent Application
Optical wavelength-conversion
- Publication number 20050244159
- Publication date Nov 3, 2005
- Aref Chowdhury
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Low total excursion dispersion maps
- Publication number 20040234272
- Publication date Nov 25, 2004
- Aref Chowdhury
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Processes and systems involving optical phase conjugators
- Publication number 20040234274
- Publication date Nov 25, 2004
- Aref Chowdhury
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Process for optical communication and system for same
- Publication number 20040234275
- Publication date Nov 25, 2004
- Aref Chowdhury
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Group III-nitride layers with patterned surfaces
- Publication number 20040189173
- Publication date Sep 30, 2004
- Aref Chowdhury
- B81 - MICRO-STRUCTURAL TECHNOLOGY
Information Patent Application
Electro-optic devices having flattened frequency response with redu...
- Publication number 20040136634
- Publication date Jul 15, 2004
- Lucent Technologies
- Aref Chowdhury
- G02 - OPTICS

Aref Chowdhury

Person

Patents Grantslast 30 patents

Communication system for connecting network hosts

Optical spatial division multiplexing usable at short reach

Hybrid optical switch for software-defined networking

Energy-management in a user-premises area network

Optical wavelength-selective switch with a bank of wavelength conve...

Reducing crosstalk in optical wavelength converters

Method employing multiferroic materials for tunable permittivity or...

Group III-nitride layers with patterned surfaces

DNA structures on ferroelectrics and semiconductors

Asymmetric long-haul transmission paths with optical phase conjugation

Apparatus employing multiferroic materials for tunable permittivity...

Group III-nitride layers with patterned surfaces

Surface-plasmon-assisted optical frequency conversion

Surface-plasmon-assisted optical frequency conversion

Chirped metamaterials

Cloaking device detection system

Negative refractive index device for generating terahertz or microw...

Nonlinear optical devices based on metamaterials

Processes and systems involving optical phase conjugators

Group III-nitride layers with patterned surfaces

Low total excursion dispersion maps

Polarization-diverse optical amplification

Low total excursion dispersion maps

Reducing crosstalk in free-space optical communications

Optical frequency-converters based on group III-nitrides

Group III-nitride layers with patterned surfaces

Electro-optic devices having flattened frequency response with redu...

Group III-nitride layers with patterned surfaces

Method and apparatus for generating a sequence of optical wavelengt...

Thin film lithium niobate and method of producing the same

Patents Applicationslast 30 patents

OPTICAL SPATIAL DIVISION MULTIPLEXING USABLE AT SHORT REACH

HYBRID OPTICAL SWITCH FOR SOFTWARE-DEFINED NETWORKING

Optical Wavelength-Selective Switch With A Bank Of Wavelength Conve...

ENERGY-MANAGEMENT IN A USER-PREMISES AREA NETWORK

EMPLOYING MULTIFERROIC MATERIALS FOR TUNABLE PERMITTIVITY OR PERMEA...

Group III-Nitride Layers With Patterned Surfaces

SURFACE-PLASMON-ASSISTED OPTICAL FREQUENCY CONVERSION

MULTIFERROIC MATERIALS FOR TUNABLE PERMITTIVITY OR PERMEABILITY

SURFACE-PLASMON-ASSISTED OPTICAL FREQUENCY CONVERSION

CONDUCTIVE POLYMER METAMATERIALS

Chirped Metamaterials

Audio Noise Cancellation System

Cloaking device detection system

Group III-Nitride layers with patterned surfaces

Negative Refractive Index Device for Generating Terahertz or Microw...

LOW TOTAL EXCURSION DISPERSION MAPS

Nonlinear optical devices based on metamaterials

Polarization-diverse optical amplification

Polarization-diverse negative-refractive-index apparatus and methods

Reducing crosstalk in optical wavelength converters

Group III-nitride layers with patterned surfaces

DNA structures on ferroelectrics and semiconductors

Asymmetric long-haul transmission paths with optical phase conjugation

Group III-nitride layers with patterned surfaces

Optical wavelength-conversion

Low total excursion dispersion maps

Processes and systems involving optical phase conjugators

Process for optical communication and system for same

Group III-nitride layers with patterned surfaces

Electro-optic devices having flattened frequency response with redu...