including phase diversity, e.g., having in-phase and quadrature branches, as in QPSK coherent receivers

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H04B10/613

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Parent Industries

HELECTRICITY H04Electric communication H04BTRANSMISSION H04B10/00Transmission systems employing electromagnetic waves other than radio-waves

Current Industry

H04B10/613including phase diversity, e.g., having in-phase and quadrature branches, as in QPSK coherent receivers

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Patents Grantslast 30 patents

Information Patent Grant
Optical receiving device and optical receiving method
- Patent number 12,160,274
- Issue date Dec 3, 2024
- Nippon Telegraph and Telephone Corporation
- Ryo Igarashi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method and system for generating the spectrogram of a signal
- Patent number 12,132,514
- Issue date Oct 29, 2024
- Institut National de la Recherche Scientifique
- Jose Azana
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical modulator, optical receiver, conversion device, spin orbita...
- Patent number 12,105,397
- Issue date Oct 1, 2024
- Hitachi, Ltd.
- Shinichi Saito
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Optical coherent receiver having an optical hybrid configuration wi...
- Patent number 12,101,126
- Issue date Sep 24, 2024
- Lumentum Technology UK Limited
- Shibnath Pathak
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Frequency division multiple access optical subcarriers
- Patent number 12,095,546
- Issue date Sep 17, 2024
- Infinera Corporation
- Jeffrey T. Rahn
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Reduced complexity polarization combining method for coherent DAS
- Patent number 12,078,526
- Issue date Sep 3, 2024
- NEC Corporation
- Junqiang Hu
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Coherent optical breakout
- Patent number 12,034,485
- Issue date Jul 9, 2024
- Cisco Technology, Inc.
- Hongbin Zhang
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Time division multiple access optical subcarriers
- Patent number 11,990,985
- Issue date May 21, 2024
- Infinera Corporation
- Amir Jafari
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
High power handling digitizer using photonics
- Patent number 11,923,907
- Issue date Mar 5, 2024
- Lawrence Livermore National Security, LLC
- Peter Thomas Setsuda DeVore
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Systems and methods for carrier phase recovery
- Patent number 11,881,899
- Issue date Jan 23, 2024
- Cable Television Laboratories, Inc.
- Haipeng Zhang
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Frequency division multiple access optical subcarriers
- Patent number 11,824,628
- Issue date Nov 21, 2023
- Infinera Corporation
- Jeffrey T. Rahn
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Frequency division multiple access optical subcarriers
- Patent number 11,791,893
- Issue date Oct 17, 2023
- Infinera Corporation
- Jeffrey T. Rahn
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Technology for optical modulator evaluation on basis of phase recovery
- Patent number 11,791,905
- Issue date Oct 17, 2023
- National Institute of Information and Communications Technology
- Yuki Yoshida
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Radio frequency (RF) signal processor with photonic local oscillato...
- Patent number 11,736,203
- Issue date Aug 22, 2023
- Rockwell Collins, Inc.
- Ronald D. Esman
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
System and methods for coherent optics based daisy-chaining
- Patent number 11,722,219
- Issue date Aug 8, 2023
- Cable Television Laboratories, Inc.
- Luis Alberto Campos
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical communication system and optical communication method
- Patent number 11,722,223
- Issue date Aug 8, 2023
- Nippon Telegraph and Telephone Corporation
- Yuto Sagae
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Systems, devices, and methods for tuning transceivers
- Patent number 11,711,147
- Issue date Jul 25, 2023
- Mellanox Technologies, Ltd.
- Nikolaos (Nikos) Argyris
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Frequency division multiple access optical subcarriers
- Patent number 11,637,630
- Issue date Apr 25, 2023
- Infinera Corporation
- Jeffrey T. Rahn
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Coherent optical receiver device and coherent optical receiving method
- Patent number 11,632,180
- Issue date Apr 18, 2023
- NEC Corporation
- Kouichi Suzuki
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Transmission/reception device and transmission/reception method
- Patent number 11,606,161
- Issue date Mar 14, 2023
- Mitsubishi Electric Corporation
- Kiyoshi Onohara
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Leveraging coherent detection to measure performance of optical tra...
- Patent number 11,601,204
- Issue date Mar 7, 2023
- Cisco Technology, Inc.
- Fabio Bottoni
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Adaptive constellation diagram reducing the impact of phase distort...
- Patent number 11,581,948
- Issue date Feb 14, 2023
- Xieon Networks S.a.r.l.
- Lutz Rapp
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Code division multiple access optical subcarriers
- Patent number 11,539,430
- Issue date Dec 27, 2022
- Infinera Corporation
- Amir Jafari
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Systems and methods for skew detection and pre-compensation in a co...
- Patent number 11,539,432
- Issue date Dec 27, 2022
- Cable Television Laboratories, Inc.
- Mu Xu
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Frequency division multiple access optical subcarriers
- Patent number 11,483,066
- Issue date Oct 25, 2022
- Infinera Corporation
- Jeffrey T. Rahn
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Apparatus and methods for digital signal constellation transformation
- Patent number 11,469,824
- Issue date Oct 11, 2022
- MARVELL ASIA PTE. LTD.
- Shu Hao Fan
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Time division multiple access optical subcarriers
- Patent number 11,451,292
- Issue date Sep 20, 2022
- Infinera Corporation
- Amir Jafari
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
System and methods for coherent optics based daisy-chaining
- Patent number 11,411,649
- Issue date Aug 9, 2022
- Cable Television Laboratories, Inc.
- Luis Alberto Campos
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Wide-area sensing of amplitude modulated signals
- Patent number 11,375,146
- Issue date Jun 28, 2022
- Massachusetts Institute of Technology
- Kenneth Schultz
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Method and system for secure phase-encoded digital communication ov...
- Patent number 11,329,797
- Issue date May 10, 2022
- Quantropi Inc.
- Randy Kuang
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
BI-DIRECTIONAL OPTICAL COMMUNICATION SYSTEM
- Publication number 20240405870
- Publication date Dec 5, 2024
- KING FAHD UNIVERSITY OF PETROLEUM AND MINERALS
- Khurram Karim QURESHI
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
OPTICAL RECEIVING DEVICE
- Publication number 20240396639
- Publication date Nov 28, 2024
- Mitsubishi Electric Corporation
- Hayato SANO
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
OPTICAL COHERENT RECEIVER HAVING AN OPTICAL HYBRID CONFIGURATION WI...
- Publication number 20240305383
- Publication date Sep 12, 2024
- Lumentum Technology UK Limited
- Shibnath PATHAK
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
SIGNAL PROCESSING APPARATUS, SIGNAL PROCESSING METHOD AND COMMUNICA...
- Publication number 20240267129
- Publication date Aug 8, 2024
- Nippon Telegraph and Telephone Corporation
- Masanori NAKAMURA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
OPTICAL TRANSMITTER THAT TRANSMITS MULTI-LEVEL SIGNAL
- Publication number 20240137127
- Publication date Apr 25, 2024
- Fujitsu Limited
- GUOXIU HUANG
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
COHERENT DETECTION METHOD AND APPARATUS, AND OPTICAL TRANSMISSION S...
- Publication number 20240121006
- Publication date Apr 11, 2024
- ZTE Corporation
- Jingsong BEI
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
METHOD AND SYSTEM FOR GENERATING THE SPECTROGRAM OF A SIGNAL
- Publication number 20240097782
- Publication date Mar 21, 2024
- Institut National de la Recherche Scientifique
- Jose AZANA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
COHERENT OPTICAL RECEIVER DEVICE AND COHERENT OPTICAL RECEIVING METHOD
- Publication number 20230216594
- Publication date Jul 6, 2023
- NEC Corporation
- Kouichi Suzuki
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
TECHNOLOGY FOR OPTICAL MODULATOR EVALUATION ON BASIS OF PHASE RECOVERY
- Publication number 20230120581
- Publication date Apr 20, 2023
- National Institute of Information and Communications Technology
- Yuki YOSHIDA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
FREQUENCY DIVISION MULTIPLE ACCESS OPTICAL SUBCARRIERS
- Publication number 20230092560
- Publication date Mar 23, 2023
- Infinera Corporation
- Jeffrey T. Rahn
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
FREQUENCY DIVISION MULTIPLE ACCESS OPTICAL SUBCARRIERS
- Publication number 20230061657
- Publication date Mar 2, 2023
- Infinera Corporation
- Jeffrey T. Rahn
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
LEVERAGING COHERENT DETECTION TO MEASURE PERFORMANCE OF OPTICAL TRA...
- Publication number 20230013373
- Publication date Jan 19, 2023
- Cisco Technology, Inc.
- Fabio Bottoni
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
TIME DIVISION MULTIPLE ACCESS OPTICAL SUBCARRIERS
- Publication number 20230006737
- Publication date Jan 5, 2023
- Infinera Corporation
- Amir Jafari
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
FREQUENCY DIVISION MULTIPLE ACCESS OPTICAL SUBCARRIERS
- Publication number 20220376781
- Publication date Nov 24, 2022
- Infinera Corporation
- Jeffrey T. Rahn
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
FREQUENCY DIVISION MULTIPLE ACCESS OPTICAL SUBCARRIERS
- Publication number 20220376780
- Publication date Nov 24, 2022
- Infinera Corporation
- Jeffrey T. Rahn
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
SYSTEMS, DEVICES, AND METHODS FOR TUNING TRANSCEIVERS
- Publication number 20220329322
- Publication date Oct 13, 2022
- MELLANOX TECHNOLOGIES LTD.
- Nikolaos (Nikos) Argyris
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
OPTICAL COMMUNICATION SYSTEM AND OPTICAL COMMUNICATION METHOD
- Publication number 20220294536
- Publication date Sep 15, 2022
- Nippon Telegraph and Telephone Corporation
- Yuto SAGAE
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
OPTICAL MODULATOR, OPTICAL RECEIVER, CONVERSION DEVICE, SPIN ORBITA...
- Publication number 20220171251
- Publication date Jun 2, 2022
- Hitachi, Ltd
- Shinichi SAITO
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
TRANSMISSION/RECEPTION DEVICE AND TRANSMISSION/RECEPTION METHOD
- Publication number 20220158748
- Publication date May 19, 2022
- Mitsubishi Electric Corporation
- Kiyoshi ONOHARA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
REDUCED COMPLEXITY POLARIZATION COMBINING METHOD FOR COHERENT DAS
- Publication number 20220146304
- Publication date May 12, 2022
- NEC Laboratories America, Inc.
- Junqiang HU
- G01 - MEASURING TESTING
Information Patent Application
FREQUENCY DIVISION MULTIPLE ACCESS OPTICAL SUBCARRIERS
- Publication number 20220123831
- Publication date Apr 21, 2022
- Infinera Corporation
- Jeffrey T. Rahn
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
OPTICAL RECEIVER AND OPTICAL SPACE COMMUNICATION SYSTEM
- Publication number 20220021451
- Publication date Jan 20, 2022
- NEC Corporation
- Hideaki KOTAKE
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
OPTICAL TRANSMITTER AND OPTICAL RECEIVER
- Publication number 20210359764
- Publication date Nov 18, 2021
- NEC Corporation
- Yasushi HARA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
METHOD AND SYSTEM FOR SECURE PHASE-ENCODED DIGITAL COMMUNICATION OV...
- Publication number 20210266142
- Publication date Aug 26, 2021
- Quantropi Inc.
- Randy Kuang
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
COHERENT OPTICAL RECEIVER DEVICE AND COHERENT OPTICAL RECEIVING METHOD
- Publication number 20210218475
- Publication date Jul 15, 2021
- NEC Corporation
- Kouichi Suzuki
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
ADAPTIVE CONSTELLATION DIAGRAM REDUCING THE IMPACT OF PHASE DISTORT...
- Publication number 20210194593
- Publication date Jun 24, 2021
- Xieon Networks S.a.r.l.
- Lutz RAPP
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
APPARATUS AND METHODS FOR DIGITAL SIGNAL CONSTELLATION TRANSFORMATION
- Publication number 20210119705
- Publication date Apr 22, 2021
- INPHI CORPORATION
- Shu Hao FAN
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
OPTICAL COMMUNICATION SYSTEM EMPLOYING A MULTIDIMENSIONAL CONSTELLA...
- Publication number 20210091858
- Publication date Mar 25, 2021
- Nokia Solutions and Networks Oy
- Juan Ignacio Bonetti
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
SIGNAL PROCESSING DEVICE AND SIGNAL PROCESSING METHOD
- Publication number 20210083779
- Publication date Mar 18, 2021
- NEC Corporation
- Manabu ARIKAWA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
HIGH POWER HANDLING DIGITIZER USING PHOTONICS
- Publication number 20210021349
- Publication date Jan 21, 2021
- LAWRENCE LIVERMORE NATIONAL SECURITY, LLC
- Peter Thomas Setsuda DeVore
- H03 - BASIC ELECTRONIC CIRCUITRY

including phase diversity, e.g., having in-phase and quadrature branches, as in QPSK coherent receivers

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

Optical receiving device and optical receiving method

Method and system for generating the spectrogram of a signal

Optical modulator, optical receiver, conversion device, spin orbita...

Optical coherent receiver having an optical hybrid configuration wi...

Frequency division multiple access optical subcarriers

Reduced complexity polarization combining method for coherent DAS

Coherent optical breakout

Time division multiple access optical subcarriers

High power handling digitizer using photonics

Systems and methods for carrier phase recovery

Frequency division multiple access optical subcarriers

Frequency division multiple access optical subcarriers

Technology for optical modulator evaluation on basis of phase recovery

Radio frequency (RF) signal processor with photonic local oscillato...

System and methods for coherent optics based daisy-chaining

Optical communication system and optical communication method

Systems, devices, and methods for tuning transceivers

Frequency division multiple access optical subcarriers

Coherent optical receiver device and coherent optical receiving method

Transmission/reception device and transmission/reception method

Leveraging coherent detection to measure performance of optical tra...

Adaptive constellation diagram reducing the impact of phase distort...

Code division multiple access optical subcarriers

Systems and methods for skew detection and pre-compensation in a co...

Frequency division multiple access optical subcarriers

Apparatus and methods for digital signal constellation transformation

Time division multiple access optical subcarriers

System and methods for coherent optics based daisy-chaining

Wide-area sensing of amplitude modulated signals

Method and system for secure phase-encoded digital communication ov...

Patents Applicationslast 30 patents

BI-DIRECTIONAL OPTICAL COMMUNICATION SYSTEM

OPTICAL RECEIVING DEVICE

OPTICAL COHERENT RECEIVER HAVING AN OPTICAL HYBRID CONFIGURATION WI...

SIGNAL PROCESSING APPARATUS, SIGNAL PROCESSING METHOD AND COMMUNICA...

OPTICAL TRANSMITTER THAT TRANSMITS MULTI-LEVEL SIGNAL

COHERENT DETECTION METHOD AND APPARATUS, AND OPTICAL TRANSMISSION S...

METHOD AND SYSTEM FOR GENERATING THE SPECTROGRAM OF A SIGNAL

COHERENT OPTICAL RECEIVER DEVICE AND COHERENT OPTICAL RECEIVING METHOD

TECHNOLOGY FOR OPTICAL MODULATOR EVALUATION ON BASIS OF PHASE RECOVERY

FREQUENCY DIVISION MULTIPLE ACCESS OPTICAL SUBCARRIERS

FREQUENCY DIVISION MULTIPLE ACCESS OPTICAL SUBCARRIERS

LEVERAGING COHERENT DETECTION TO MEASURE PERFORMANCE OF OPTICAL TRA...

TIME DIVISION MULTIPLE ACCESS OPTICAL SUBCARRIERS

FREQUENCY DIVISION MULTIPLE ACCESS OPTICAL SUBCARRIERS

FREQUENCY DIVISION MULTIPLE ACCESS OPTICAL SUBCARRIERS

SYSTEMS, DEVICES, AND METHODS FOR TUNING TRANSCEIVERS

OPTICAL COMMUNICATION SYSTEM AND OPTICAL COMMUNICATION METHOD

OPTICAL MODULATOR, OPTICAL RECEIVER, CONVERSION DEVICE, SPIN ORBITA...

TRANSMISSION/RECEPTION DEVICE AND TRANSMISSION/RECEPTION METHOD

REDUCED COMPLEXITY POLARIZATION COMBINING METHOD FOR COHERENT DAS

FREQUENCY DIVISION MULTIPLE ACCESS OPTICAL SUBCARRIERS

OPTICAL RECEIVER AND OPTICAL SPACE COMMUNICATION SYSTEM

OPTICAL TRANSMITTER AND OPTICAL RECEIVER

METHOD AND SYSTEM FOR SECURE PHASE-ENCODED DIGITAL COMMUNICATION OV...

COHERENT OPTICAL RECEIVER DEVICE AND COHERENT OPTICAL RECEIVING METHOD

ADAPTIVE CONSTELLATION DIAGRAM REDUCING THE IMPACT OF PHASE DISTORT...

APPARATUS AND METHODS FOR DIGITAL SIGNAL CONSTELLATION TRANSFORMATION

OPTICAL COMMUNICATION SYSTEM EMPLOYING A MULTIDIMENSIONAL CONSTELLA...

SIGNAL PROCESSING DEVICE AND SIGNAL PROCESSING METHOD

HIGH POWER HANDLING DIGITIZER USING PHOTONICS