Xiangjun Zhao

Person

Fremont, CA, US

People

Patents Grantslast 30 patents

Information Patent Grant
Switching circuit for burst-mode tunable laser
- Patent number 12,009,635
- Issue date Jun 11, 2024
- Google LLC
- Tao Zhang
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Wavelength drift suppression for burst-mode tunable EML laser
- Patent number 11,901,696
- Issue date Feb 13, 2024
- Google LLC
- Tao Zhang
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Burst mode laser driving circuit
- Patent number 11,600,965
- Issue date Mar 7, 2023
- Google LLC
- Tao Zhang
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Wavelength drift suppression for burst-mode tunable EML transmitter
- Patent number 11,594,856
- Issue date Feb 28, 2023
- Google LLC
- Tao Zhang
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Port replicator
- Patent number 10,992,387
- Issue date Apr 27, 2021
- Google LLC
- Cedric Fung Lam
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical network unit wavelength tuning
- Patent number 10,666,379
- Issue date May 26, 2020
- Google LLC
- Xiangjun Zhao
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
In-field calibration of laser transmitter
- Patent number 10,651,946
- Issue date May 12, 2020
- Google LLC
- Xiangjun Zhao
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Feeder fiber and central office redundancy
- Patent number 10,516,479
- Issue date Dec 24, 2019
- Google LLC
- Liang Du
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Common cathode laser driving circuit
- Patent number 10,461,498
- Issue date Oct 29, 2019
- Google LLC
- Tao Zhang
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Feeder fiber and central office redundancy
- Patent number 10,439,722
- Issue date Oct 8, 2019
- Google LLC
- Liang Du
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical network unit wavelength tuning
- Patent number 10,243,687
- Issue date Mar 26, 2019
- Google LLC
- Xiangjun Zhao
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Tunable laser in an optical access network
- Patent number 10,171,199
- Issue date Jan 1, 2019
- Google LLC
- Xiangjun Zhao
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Upgrading PON systems using a multi-cycle field AWG
- Patent number 10,158,930
- Issue date Dec 18, 2018
- Google LLC
- Liang Du
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Tunable laser bias circuit
- Patent number 10,153,612
- Issue date Dec 11, 2018
- Google LLC
- Tao Zhang
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Common cathode laser driving circuit
- Patent number 10,103,513
- Issue date Oct 16, 2018
- Google LLC
- Tao Zhang
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Feeder fiber and central office redundancy
- Patent number 10,063,944
- Issue date Aug 28, 2018
- Google LLC
- Liang Du
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Feeder fiber and central office redundancy
- Patent number 10,050,708
- Issue date Aug 14, 2018
- Google LLC
- Liang Du
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Low cost gain clamped EDFA for TWDM passive optical network applica...
- Patent number 9,948,422
- Issue date Apr 17, 2018
- Google LLC
- Xiangjun Zhao
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
TWDM passive network with extended reach and capacity
- Patent number 9,749,080
- Issue date Aug 29, 2017
- Google Inc.
- Cedric Fung Lam
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Calibration of external-cavity tunable lasers
- Patent number 9,735,541
- Issue date Aug 15, 2017
- Google Inc.
- Xiangjun Zhao
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Upgrading PON systems using a multi-cycle field AWG
- Patent number 9,729,950
- Issue date Aug 8, 2017
- Google Inc.
- Liang Du
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Low cost gain clamped EDFA for TWDM passive optical network applica...
- Patent number 9,608,758
- Issue date Mar 28, 2017
- Google Inc.
- Xiangjun Zhao
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Calibration of a tunable DBR laser
- Patent number 9,438,005
- Issue date Sep 6, 2016
- Google Inc.
- Xiangjun Zhao
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Wavelength tunable laser
- Patent number 9,240,672
- Issue date Jan 19, 2016
- Google Inc.
- Xiangjun Zhao
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Wavelength tunable laser
- Patent number 9,001,852
- Issue date Apr 7, 2015
- Google Inc.
- Ryohei Urata
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
Ultra-Wideband Ranging Method and Device
- Publication number 20240381053
- Publication date Nov 14, 2024
- Google LLC
- Liping Liu
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Burst Mode Laser Driving Circuit
- Publication number 20210203129
- Publication date Jul 1, 2021
- Google LLC
- Tao Zhang
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Wavelength Drift Suppression for Burst-Mode Tunable EML Transmitter
- Publication number 20210203130
- Publication date Jul 1, 2021
- Google LLC
- Tao Zhang
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Switching Circuit for Burst-mode Tunable Laser
- Publication number 20210167577
- Publication date Jun 3, 2021
- Google LLC
- Tao Zhang
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Wavelength Drift Suppression for Burst-Mode Tunable EML Laser
- Publication number 20210151952
- Publication date May 20, 2021
- Google LLC
- Tao Zhang
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Port Replicator
- Publication number 20210083770
- Publication date Mar 18, 2021
- Google LLC
- Cedric Fung Lam
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Feeder Fiber and Central Office Redundancy
- Publication number 20190393958
- Publication date Dec 26, 2019
- Google LLC
- Liang Du
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Optical Network Unit Wavelength Tuning
- Publication number 20190215093
- Publication date Jul 11, 2019
- Google LLC
- Xiangjun Zhao
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Common Cathode Laser Driving Circuit
- Publication number 20190036302
- Publication date Jan 31, 2019
- Google LLC
- Tao Zhang
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Feeder Fiber and Central Office Redundancy
- Publication number 20180323875
- Publication date Nov 8, 2018
- Google LLC
- Liang Du
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Feeder Fiber and Central Office Redundancy
- Publication number 20180175935
- Publication date Jun 21, 2018
- GOOGLE, INC.
- Liang Du
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Tunable Laser in an Optical Access Network
- Publication number 20180175964
- Publication date Jun 21, 2018
- Google Inc.
- Xiangjun Zhao
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Feeder Fiber and Central Office Redundancy
- Publication number 20180176666
- Publication date Jun 21, 2018
- Google Inc.
- Liang Du
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Optical Network Unit Wavelength Tuning
- Publication number 20180139006
- Publication date May 17, 2018
- Google Inc.
- Xiangjun Zhao
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Upgrading PON Systems Using A Multi-Cycle Field AWG
- Publication number 20170332159
- Publication date Nov 16, 2017
- Google Inc.
- Liang Du
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
TWDM Passive Network with Extended Reach and Capacity
- Publication number 20170317778
- Publication date Nov 2, 2017
- Google Inc.
- Cedric Fung Lam
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Low Cost Gain Clamped EDFA for TWDM Passive Optical Network Applica...
- Publication number 20170155461
- Publication date Jun 1, 2017
- Google Inc.
- Xiangjun Zhao
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Upgrading PON Systems Using A Multi-Cycle Field AWG
- Publication number 20170150243
- Publication date May 25, 2017
- Google Inc.
- Liang Du
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
TWDM Passive Network with Extended Reach and Capacity
- Publication number 20170134113
- Publication date May 11, 2017
- Google Inc.
- Cedric Fung Lam
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Xiangjun Zhao

Person

Patents Grantslast 30 patents

Switching circuit for burst-mode tunable laser

Wavelength drift suppression for burst-mode tunable EML laser

Burst mode laser driving circuit

Wavelength drift suppression for burst-mode tunable EML transmitter

Port replicator

Optical network unit wavelength tuning

In-field calibration of laser transmitter

Feeder fiber and central office redundancy

Common cathode laser driving circuit

Feeder fiber and central office redundancy

Optical network unit wavelength tuning

Tunable laser in an optical access network

Upgrading PON systems using a multi-cycle field AWG

Tunable laser bias circuit

Common cathode laser driving circuit

Feeder fiber and central office redundancy

Feeder fiber and central office redundancy

Low cost gain clamped EDFA for TWDM passive optical network applica...

TWDM passive network with extended reach and capacity

Calibration of external-cavity tunable lasers

Upgrading PON systems using a multi-cycle field AWG

Low cost gain clamped EDFA for TWDM passive optical network applica...

Calibration of a tunable DBR laser

Wavelength tunable laser

Wavelength tunable laser

Patents Applicationslast 30 patents

Ultra-Wideband Ranging Method and Device

Burst Mode Laser Driving Circuit

Wavelength Drift Suppression for Burst-Mode Tunable EML Transmitter

Switching Circuit for Burst-mode Tunable Laser

Wavelength Drift Suppression for Burst-Mode Tunable EML Laser

Port Replicator

Feeder Fiber and Central Office Redundancy

Optical Network Unit Wavelength Tuning

Common Cathode Laser Driving Circuit

Feeder Fiber and Central Office Redundancy

Feeder Fiber and Central Office Redundancy

Tunable Laser in an Optical Access Network

Feeder Fiber and Central Office Redundancy

Optical Network Unit Wavelength Tuning

Upgrading PON Systems Using A Multi-Cycle Field AWG

TWDM Passive Network with Extended Reach and Capacity

Low Cost Gain Clamped EDFA for TWDM Passive Optical Network Applica...

Upgrading PON Systems Using A Multi-Cycle Field AWG

TWDM Passive Network with Extended Reach and Capacity