Qianggao Hu

Person

Wuhan, CN

People

Patents Grantslast 30 patents

Information Patent Grant
Optical module
- Patent number 11,990,939
- Issue date May 21, 2024
- Accelink Technologies Co., Ltd.
- Hu Zhu
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Arrayed waveguide grating based hybrid integrated laser having adju...
- Patent number 10,416,379
- Issue date Sep 17, 2019
- Accelink Technologies Co., Ltd.
- Yanfeng Fu
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Wavelength-tunable external-cavity laser and adjustable light emiss...
- Patent number 10,256,606
- Issue date Apr 9, 2019
- Accelink Technologies Co., Ltd.
- Shenglei Hu
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Method and device for measuring optical signal-to-noise ratio
- Patent number 10,205,520
- Issue date Feb 12, 2019
- Accelink Technologies Co., Ltd.
- Shuang Chen
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Multicast exchange optical switch
- Patent number 10,048,445
- Issue date Aug 14, 2018
- Accelink Technologies Co., Ltd.
- Qianggao Hu
- G02 - OPTICS
Information Patent Grant
External cavity tunable laser and cavity mode locking method thereof
- Patent number 10,050,406
- Issue date Aug 14, 2018
- Accelink Technologies Co., Ltd.
- Xuesheng Tang
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Method for monitoring wavelength of tunable laser on user end by op...
- Patent number 9,991,954
- Issue date Jun 5, 2018
- Accelink Technologies Co., Ltd.
- Yanfeng Fu
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Broadband tunable external-cavity laser using small MEMS mirror
- Patent number 9,912,120
- Issue date Mar 6, 2018
- Accelink Technologies Co., Ltd.
- Yanfeng Fu
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Multicast optical switch based on free-space transmission
- Patent number 9,720,180
- Issue date Aug 1, 2017
- Accelink Technologies Co., Ltd.
- Qianggao Hu
- G02 - OPTICS
Information Patent Grant
External-cavity tunable laser with flexible wavelength grid tuning...
- Patent number 9,397,477
- Issue date Jul 19, 2016
- Accelink Technologies Co., Ltd.
- Yanfeng Fu
- G02 - OPTICS
Information Patent Grant
WSS with hitless switching
- Patent number 8,280,206
- Issue date Oct 2, 2012
- Accelink Technologies Co., Ltd.
- Qianggao Hu
- G02 - OPTICS
Information Patent Grant
Integrated optical-power adjustable WDM
- Patent number 7,046,874
- Issue date May 16, 2006
- Accelink Technologies Co., Ltd.
- Yuanzhong Xu
- G02 - OPTICS

Patents Applicationslast 30 patents

Information Patent Application
COMMUNICATION STATION, OPTICAL COMMUNICATION SYSTEM, DATA TRANSMISS...
- Publication number 20230299867
- Publication date Sep 21, 2023
- ACCELINK TECHNOLOGIES CO., LTD.
- Li Xiao
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Optical Module
- Publication number 20220294531
- Publication date Sep 15, 2022
- Accelink Technologies Co., Ltd.
- Hu Zhu
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
WAVELENGTH-TUNABLE EXTERNAL-CAVITY LASER AND ADJUSTABLE LIGHT EMISS...
- Publication number 20180191132
- Publication date Jul 5, 2018
- ACCELINK TECHNOLOGIES CO., LTD.
- Shenglei Hu
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
ARRAYED WAVEGUIDE GRATING BASED HYBRID INTEGRATED LASER HAVING ADJU...
- Publication number 20180172907
- Publication date Jun 21, 2018
- ACCELINK TECHNOLOGIES CO., LTD.
- Yanfeng Fu
- G02 - OPTICS
Information Patent Application
METHOD AND DEVICE FOR MEASURING OPTICAL SIGNAL-TO-NOISE RATIO
- Publication number 20170359121
- Publication date Dec 14, 2017
- ACCELINK TECHNOLOGIES CO., LTD.
- Shuang Chen
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
MULTICAST EXCHANGE OPTICAL SWITCH
- Publication number 20170315300
- Publication date Nov 2, 2017
- ACCELINK TECHNOLOGIES CO., LTD.
- Qianggao HU
- G02 - OPTICS
Information Patent Application
External Cavity Tunable Laser And Cavity Mode Locking Method Thereof
- Publication number 20170187163
- Publication date Jun 29, 2017
- ACCELINK TECHNOLOGIES CO., LTD.
- Xuesheng Tang
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
METHOD FOR MONITORING WAVELENGTH OF TUNABLE LASER ON USER END BY OP...
- Publication number 20170170898
- Publication date Jun 15, 2017
- ACCELINK TECHNOLOGIES CO., LTD.
- Yanfeng Fu
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Broadband Tunable External-Cavity Laser Using Small Mems Mirror
- Publication number 20170025819
- Publication date Jan 26, 2017
- ACCELINK TECHNOLOGIES CO., LTD.
- Yanfeng Fu
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Multicast Optical Switch Based On Free-Space Transmission
- Publication number 20160291255
- Publication date Oct 6, 2016
- ACCELINK TECHNOLOGIES CO., LTD.
- Qianggao Hu
- G02 - OPTICS
Information Patent Application
OPTICAL SIGNAL-TO-NOISE RATIO MEASURING METHOD
- Publication number 20160056891
- Publication date Feb 25, 2016
- ACCELINK TECHNOLOGIES CO., LTD.
- Shuang Chen
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
EXTERNAL-CAVITY TUNABLE LASER WITH FLEXIBLE WAVELENGTH GRID TUNING...
- Publication number 20150288142
- Publication date Oct 8, 2015
- ACCELINK TECHNOLOGIES CO., LTD.
- Yanfeng Fu
- G02 - OPTICS
Information Patent Application
WSS WITH HITLESS SWITCHING
- Publication number 20110150389
- Publication date Jun 23, 2011
- Qianggao Hu
- G02 - OPTICS
Information Patent Application
Integrated optical-power adjustable WDM
- Publication number 20050152642
- Publication date Jul 14, 2005
- ACCELINK TECHNOLOGIES CO., LTD.
- Yuanzhong Xu
- G02 - OPTICS

Qianggao Hu

Person

Patents Grantslast 30 patents

Optical module

Arrayed waveguide grating based hybrid integrated laser having adju...

Wavelength-tunable external-cavity laser and adjustable light emiss...

Method and device for measuring optical signal-to-noise ratio

Multicast exchange optical switch

External cavity tunable laser and cavity mode locking method thereof

Method for monitoring wavelength of tunable laser on user end by op...

Broadband tunable external-cavity laser using small MEMS mirror

Multicast optical switch based on free-space transmission

External-cavity tunable laser with flexible wavelength grid tuning...

WSS with hitless switching

Integrated optical-power adjustable WDM

Patents Applicationslast 30 patents

COMMUNICATION STATION, OPTICAL COMMUNICATION SYSTEM, DATA TRANSMISS...

Optical Module

WAVELENGTH-TUNABLE EXTERNAL-CAVITY LASER AND ADJUSTABLE LIGHT EMISS...

ARRAYED WAVEGUIDE GRATING BASED HYBRID INTEGRATED LASER HAVING ADJU...

METHOD AND DEVICE FOR MEASURING OPTICAL SIGNAL-TO-NOISE RATIO

MULTICAST EXCHANGE OPTICAL SWITCH

External Cavity Tunable Laser And Cavity Mode Locking Method Thereof

METHOD FOR MONITORING WAVELENGTH OF TUNABLE LASER ON USER END BY OP...

Broadband Tunable External-Cavity Laser Using Small Mems Mirror

Multicast Optical Switch Based On Free-Space Transmission

OPTICAL SIGNAL-TO-NOISE RATIO MEASURING METHOD

EXTERNAL-CAVITY TUNABLE LASER WITH FLEXIBLE WAVELENGTH GRID TUNING...

WSS WITH HITLESS SWITCHING

Integrated optical-power adjustable WDM