Membership
Tour
Register
Log in
Gang He
Follow
Person
Quebec City, CA
People
Overview
Industries
Organizations
People
Information
Impact
Patents Grants
last 30 patents
Information
Patent Grant
Optical-fiber device for one-cord reference optical power loss meas...
Patent number
12,047,117
Issue date
Jul 23, 2024
Exfo Inc.
Gang He
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Transceiver agnostic GOSNR measurement
Patent number
11,595,125
Issue date
Feb 28, 2023
Exfo Inc.
Gang He
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Extracting data traffic from an optical communication fiber
Patent number
11,088,759
Issue date
Aug 10, 2021
EXFO Oy
Vesa Kyllönen
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Optical loss testing of multi-fiber array cables
Patent number
11,067,478
Issue date
Jul 20, 2021
Exfo Inc.
Gang He
G01 - MEASURING TESTING
Information
Patent Grant
Noise-free measurement of the spectral shape of a modulated signal...
Patent number
10,727,940
Issue date
Jul 28, 2020
Exfo Inc.
Normand Cyr
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
In-band noise and/or spectral deformation measurement on polarizati...
Patent number
10,128,975
Issue date
Nov 13, 2018
Exfo Inc.
Gang He
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Optical fiber modal distribution conditioner
Patent number
10,018,785
Issue date
Jul 10, 2018
Exfo Inc.
Remi Fortin
G02 - OPTICS
Information
Patent Grant
In-band noise determination on optical communication signals
Patent number
9,954,610
Issue date
Apr 24, 2018
Exfo Inc.
Gang He
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Method and system for measuring an optical power attenuation value...
Patent number
9,825,700
Issue date
Nov 21, 2017
Exfo Inc.
Bernard Ruchet
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Characterization of linear crosstalk on multiplexed optical signals
Patent number
9,673,894
Issue date
Jun 6, 2017
Exfo Inc.
Daniel Gariepy
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Signal deformation measurement on polarization-multiplexed signals
Patent number
9,596,027
Issue date
Mar 14, 2017
Exfo Inc.
Gang He
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Characterization of non-ASE noise on optical signals
Patent number
9,438,336
Issue date
Sep 6, 2016
Exfo Inc.
Gang He
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Reference-based in-band OSNR measurement on polarization-multiplexe...
Patent number
9,112,604
Issue date
Aug 18, 2015
Exfo Inc.
Daniel Gariepy
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Method and system for determining in-band optical noise
Patent number
8,787,753
Issue date
Jul 22, 2014
Exfo Inc.
Daniel Gariepy
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Optical waveguide rotator mechanism, birefringence-inducing element...
Patent number
8,373,852
Issue date
Feb 12, 2013
Exfo Inc.
Bernard Ruchet
G02 - OPTICS
Information
Patent Grant
In-band optical noise measurement using differential polarization r...
Patent number
8,364,034
Issue date
Jan 29, 2013
EXFO Inc.
Gang He
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
In-band optical signal to noise ratio determination method and system
Patent number
8,358,930
Issue date
Jan 22, 2013
Exfo Inc.
Daniel Gariepy
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Estimating loss of mechanical splices interconnecting optical fiber...
Patent number
7,719,667
Issue date
May 18, 2010
Exfo Inc.
Gang He
G01 - MEASURING TESTING
Information
Patent Grant
Method and apparatus for extracting light from an optical waveguide
Patent number
7,710,552
Issue date
May 4, 2010
Exfo Inc.
Gang He
G02 - OPTICS
Information
Patent Grant
Widely-tunable laser apparatus
Patent number
7,382,810
Issue date
Jun 3, 2008
EXFO Electro-Optical Engineering, Inc.
Gang He
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Optical spectrum analyzer using a diffraction grating and multi-pas...
Patent number
7,116,848
Issue date
Oct 3, 2006
EXFO Electro-Optical Engineering Inc.
Gang He
G02 - OPTICS
Information
Patent Grant
Optical attentuator system
Patent number
6,992,828
Issue date
Jan 31, 2006
EXFO Electro-Optical Engineering Inc.
Gang He
G02 - OPTICS
Information
Patent Grant
High optical rejection optical spectrum analyzer/monochromator
Patent number
6,930,776
Issue date
Aug 16, 2005
EXFO Electro-Optical Engineering Inc.
Gang He
G01 - MEASURING TESTING
Information
Patent Grant
Multi-pass optical spectrum analyzer having a polarization-dependen...
Patent number
6,819,429
Issue date
Nov 16, 2004
EXFO Electro-Optical Engineering Inc.
Gang He
G02 - OPTICS
Information
Patent Grant
Optical spectrum analyzer
Patent number
6,636,306
Issue date
Oct 21, 2003
EXFO Electro-Optical Engineering Inc.
Gang He
G01 - MEASURING TESTING
Information
Patent Grant
Polarization independent photodetector device and method of making...
Patent number
6,621,067
Issue date
Sep 16, 2003
EXFO Electro-Optical Engineering Inc.
Gang He
H01 - BASIC ELECTRIC ELEMENTS
Patents Applications
last 30 patents
Information
Patent Application
ALL-OPTICAL OPEN CABLE OSNR MEASUREMENT
Publication number
20240283532
Publication date
Aug 22, 2024
EXFO INC.
Gang HE
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
METHODS AND SYSTEMS FOR CHARACTERIZATION OF POLARIZATION-DEPENDENT...
Publication number
20240283531
Publication date
Aug 22, 2024
EXFO INC.
Gang HE
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
OPTICAL-FIBER DEVICE FOR ONE-CORD REFERENCE OPTICAL POWER LOSS MEAS...
Publication number
20220038177
Publication date
Feb 3, 2022
EXFO INC.
Gang HE
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
TRANSCEIVER AGNOSTIC GOSNR MEASUREMENT
Publication number
20210273722
Publication date
Sep 2, 2021
EXFO INC.
Gang He
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
EXTRACTING DATA TRAFFIC FROM AN OPTICAL COMMUNICATION FIBER
Publication number
20200374008
Publication date
Nov 26, 2020
EXFO Oy
Vesa KYLLÖNEN
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
OPTICAL LOSS TESTING OF MULTI-FIBER ARRAY CABLES
Publication number
20200249121
Publication date
Aug 6, 2020
EXFO INC.
Gang HE
G01 - MEASURING TESTING
Information
Patent Application
NOISE-FREE MEASUREMENT OF THE SPECTRAL SHAPE OF A MODULATED SIGNAL...
Publication number
20190305845
Publication date
Oct 3, 2019
EXFO INC.
Normand CYR
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
METHOD AND SYSTEM FOR MEASURING AN OPTICAL POWER ATTENUATION VALUE...
Publication number
20160337034
Publication date
Nov 17, 2016
EXFO INC.
Bernard Ruchet
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
METHOD AND SYSTEM FOR MEASURING AN OPTICAL POWER ATTENUATION VALUE...
Publication number
20160218802
Publication date
Jul 28, 2016
EXFO INC.
Bernard Ruchet
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
OPTICAL FIBER MODAL DISTRIBUTION CONDITIONER
Publication number
20160202418
Publication date
Jul 14, 2016
EXFO INC.
Remi FORTIN
G02 - OPTICS
Information
Patent Application
IN-BAND NOISE DETERMINATION ON OPTICAL COMMUNICATION SIGNALS
Publication number
20160142135
Publication date
May 19, 2016
EXFO INC.
Gang He
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
IN-BAND NOISE AND/OR SPECTRAL DEFORMATION MEASUREMENT ON POLARIZATI...
Publication number
20160127074
Publication date
May 5, 2016
EXFO INC.
Gang He
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
SIGNAL DEFORMATION MEASUREMENT ON POLARIZATION-MULTIPLEXED SIGNALS
Publication number
20140328586
Publication date
Nov 6, 2014
EXFO INC.
Gang HE
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
CHARACTERIZATION OF LINEAR CROSSTALK ON MULTIPLEXED OPTICAL SIGNALS
Publication number
20140086574
Publication date
Mar 27, 2014
EXFO INC.
Daniel Gariepy
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
CHARACTERIZATION OF NON-ASE NOISE ON OPTICAL SIGNALS
Publication number
20130330071
Publication date
Dec 12, 2013
EXFO INC.
Gang He
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
METHOD AND SYSTEM FOR DETERMINING IN-BAND OPTICAL NOISE
Publication number
20130163987
Publication date
Jun 27, 2013
EXFO INC.
Daniel Gariepy
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Reference-Based In-Band OSNR Measurement on Polarization-Multiplexe...
Publication number
20120201533
Publication date
Aug 9, 2012
EXFO, INC.
Daniel Gariepy
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
In-Band Optical Noise Measurement Using Differential Polarization R...
Publication number
20120093501
Publication date
Apr 19, 2012
EXFO INC.
Gang He
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
IN-BAND OPTICAL NOISE MEASUREMENT USING DIFFERENTIAL POLARIZATION R...
Publication number
20110091206
Publication date
Apr 21, 2011
Gang HE
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
IN-BAND OPTICAL SIGNAL TO NOISE RATIO DETERMINATION METHOD AND SYSTEM
Publication number
20100129074
Publication date
May 27, 2010
Daniel Gariepy
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Optical waveguide rotator mechanism, birefringence-inducing element...
Publication number
20090135409
Publication date
May 28, 2009
Bernard Ruchet
G02 - OPTICS
Information
Patent Application
Estimating Loss of Mechanical Splices Interconnecting Optical Fiber...
Publication number
20090033919
Publication date
Feb 5, 2009
EXFO ELECTRO-OPTICAL ENGINEERING, INC.
Gang He
G02 - OPTICS
Information
Patent Application
Method and Apparatus For Extracting Light From an Optical Waveguide
Publication number
20080192241
Publication date
Aug 14, 2008
Gang He
G02 - OPTICS
Information
Patent Application
Widely-tunable laser apparatus
Publication number
20070165682
Publication date
Jul 19, 2007
Gang He
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Optical spectrum analyzer using a diffraction grating and multi-pas...
Publication number
20050094934
Publication date
May 5, 2005
EXFO Electro-Optical Engineering Inc.
Gang He
G02 - OPTICS
Information
Patent Application
High optical rejection optical spectrum analyzer/monochromator
Publication number
20050073679
Publication date
Apr 7, 2005
Gang He
G01 - MEASURING TESTING
Information
Patent Application
Optical attentuator system
Publication number
20040165274
Publication date
Aug 26, 2004
Gang He
G02 - OPTICS
Information
Patent Application
Method and apparatus for testing optical devices
Publication number
20030174313
Publication date
Sep 18, 2003
Gang He
G01 - MEASURING TESTING
Information
Patent Application
Multi-pass tunable optical filter using a polarization-dependent fi...
Publication number
20020145803
Publication date
Oct 10, 2002
Gang He
G02 - OPTICS
Information
Patent Application
Polarization independent photodetector device and method of making...
Publication number
20010048070
Publication date
Dec 6, 2001
Gang He
G02 - OPTICS