223924 ⎘
Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication; Receivers Coherent receivers
Sub-classes:Optical Architectural Solution for Coherent Burst Mode Transmitter
#2OPTICAL TRANSMISSION AND RECEPTION DEVICE AND OPTICAL RECEIVER
#3TEMPERATURE CONTROL DEVICE FOR OPTICAL MODULATORS, AND OPTICAL LINK DEVICE INCLUDING SAME
#4PHASE SHIFTER FOR OPTICAL COMMUNICATIONS SYSTEMS
#5Optical Interconnects
#6SYSTEM AND METHOD FOR NONORTHOGONAL MODULATION
#7OPTICAL RECEIVER, COMMUNICATION TERMINAL AND SYSTEM AS WELL AS APPARATUS COMPRISING SAME
#8APPARATUS AND METHOD FOR TRANSMITTING AND RECEIVING OPTICAL SIGNAL IN COHERENT OPTICAL COMMUNICATION SYSTEM
#9OPTICAL TRANSCEIVER, OPTICAL TRANSMISSION SYSTEM, AND CARRIER INTERVAL CONTROL METHOD OF OPTICAL TRANSCEIVER
#10OPTICAL POWER DISTRIBUTION ESTIMATION APPARATUS, OPTICAL POWER DISTRIBUTION ESTIMATION METHOD, AND COMPUTER PROGRAM
#11TRANSMISSION METHOD AND APPARATUS, DEVICE, AND STORAGE MEDIUM
#12SIGNAL PROCESSING APPARATUS, SIGNAL PROCESSING METHOD, AND COMPUTER PROGRAM
#13OPTICAL TRANSMISSION CHARACTERISTICS ESTIMATION APPARATUS, OPTICAL TRANSMISSION CHARACTERISTICS ESTIMATION METHOD, AND PROGRAM
#14METHOD AND APPARATUS FOR DETERMINING CHARACTERISTICS OF EQUALIZATION-ENHANCED PHASE NOISE IN COHERENT OPTICAL COMMUNICATION SYSTEMS
#15REALLOCATION OF RESOURCES FOR ISOLATING OPTICAL COMMUNICATIONS
#16Precisely capturing time of an event in processing circuitry of an optical module
#17PHOTONICS TRANSCEIVER INCLUDING A LITHIUM-CONTAINING TRANSMITTER
#18Fast LOS detection in a coherent optical modem
#19COMMUNICATION METHOD, APPARATUS, SYSTEM, AND STORAGE MEDIUM
#20FREQUENCY DIVISION MULTIPLE ACCESS OPTICAL SUBCARRIERS
#21EFFECTIVE RANGING SIGNAL RECOVERY FROM COHERENT IQ RECEIVER
#22OPTICAL TRANSMITTER, OPTICAL RECEIVER, OPTICAL TRANSMISSION METHOD AND OPTICAL RECEPTION METHOD
#23IN-FIELD DROOP MEASUREMENT AND COMPENSATION FOR COHERENT OPTICAL TRANSCEIVER
#24SYSTEMS AND METHODS FOR COHERENT OPTICS IN AN ACCESS NETWORK
#25WAVELENGTH DIVERSITY TURBULENCE MITIGATION METHOD AND APPARATUS FOR FREE-SPACE OPTICAL COMMUNICATIONS
#26METHODS, DEVICES, AND SYSTEMS FOR INTEGRATION, BEAM FORMING AND STEERING OF ULTRA-WIDEBAND, WIRELESS OPTICAL COMMUNICATION DEVICES AND SYSTEMS
#27FREQUENCY DIVISION MULTIPLE ACCESS OPTICAL SUBCARRIERS
#28SYSTEM AND METHOD FOR OPTICAL COMMUNICATION
#29SINGLE-FIBER BIDIRECTIONAL COMMUNICATION METHOD, COMMUNICATION APPARATUS, AND SYSTEM
#30TIME DIVISION MULTIPLE ACCESS OPTICAL SUBCARRIERS
#31POINTING, ACQUISITION, AND TRACKING SYSTEM FOR A MOBILE-PLATFORM OPTICAL COMMUNICATION SYSTEM
#32OPTICAL COMMUNICATIONS SYSTEM WITH SEMICONDUCTOR OPTICAL AMPLIFIER FOR LINK LOSS CORRECTION
#33COHERENT DETECTION OF SUBCARRIER-MULTIPLEXED SIGNALS USINGA FREQUENCY COMB
#34METHOD AND DEVICE FOR MONITORING GENERALIZED OPTICAL SIGNAL-TO-NOISE RATIO, COHERENT RECEIVER AND NETWORK APPARATUS
#35GAIN ADJUSTMENT METHOD, OPTICAL RECEIVING APPARATUS AND COMPUTER PROGRAM
#36Coherent receiver having low VOA-induced phase changes
#37INTEGRATED SYSTEM FOR OPTICAL FIBER SENSING AND COMMUNICATION THROUGH SHARING CO-FREQUENCY RESOURCES
#38METHOD AND APPARATUS FOR DETECTING PHASE DIFFERENCE AND DELAY OF COHERENT RECEIVER, AND STORAGE MEDIUM
#39PLUGGABLE OPTICAL MODULE AND OPTICAL COMMUNICATION SYSTEM
#40CHIP-SCALE RECEIVER AND METHOD FOR FREE SPACE OPTICAL COHERENT COMMUNICATIONS
#41INTEGRATED OPTICAL RECEIVER WITH MONITOR PHOTODIODE
#42Subcarrier Based Data Center Network Architecture
#43SYSTEMS AND METHODS FOR OPTIMIZATION OF TRANSMISSION SIGNAL QUALITY IN POINT-TO-MULTIPOINT NETWORKS
#44TRAINING APPARATUS, CONTROL METHOD, AND NON-TRANSITORY COMPUTER-READABLE STORAGE MEDIUM
#45DIRECTING ENERGY BY DISTRIBUTED ARRAY OF INDEPENDENT COHERENT MOBILE ELEMENTS
#46Optical time-domain reflectometer (OTDR) including channel checker
#47COHERENT DETECTION METHOD, APPARATUS, AND SYSTEM
#48SYSTEMS AND METHODS FOR OPTIMIZATION OF TRANSMISSION SIGNAL QUALITY IN POINT-TO-MULTIPOINT NETWORKS
#49METHOD AND APPARATUS FOR SUPPRESSION OF NOISE DUE TO LOCAL OSCILLATOR INSTABILITY IN A COHERENT FIBER OPTICAL SENSOR
#50OPTICAL COMMUNICATION APPARATUS, OPTICAL COMMUNICATION SYSTEM, AND OPTICAL COMMUNICATION METHOD
#51OPTICAL TRANSMITTER, OPTICAL RECEIVER, AND OPERATING METHODS THEREOF
#52COHERENT DETECTION METHOD AND APPARATUS, AND OPTICAL TRANSMISSION SYSTEM
#53PLUGGABLE OPTICAL MODULE AND OPTICAL COMMUNICATION SYSTEM
#54Systems and Methods for Transmitting and Receiving Wavelength-Multiplexed Optical Signals
#55IMPROVED DATA TRANSMISSION RATES FROM OPTICAL SOURCES
#56COMPLEX-WAVEFRONT PHOTONIC TRANSCEIVER PROCESSOR
#57COMMUNICATION SYSTEM, RECEIVER, DISTORTION DETECTION DEVICE, AND METHOD
#58RECEIVER-BASED FIBER-OPTIC LINK MONITOR
#59RECEIVING APPARATUS AND RECEIVING METHOD
#60COHERENT OPTICAL RECEPTION DEVICE AND COHERENT OPTICAL RECEPTION METHOD
#61Coherent receiver having low VOA-induced phase changes
#62OPTICAL RECEPTION APPARATUS AND MONITOR SIGNAL GENERATING METHOD
#63PHOTONIC INTEGRATED CIRCUIT AND OPTO-ELECTRONIC SYSTEM COMPRISING THE SAME
#64High-speed optical analog-to-digital converter based on compressive sensing
#65Polarization-folding coherent optical technology for short reach optical communication
#66Methods, devices, and systems for integration, beam forming and steering of ultra-wideband, wireless optical communication devices and systems
#67OPTICAL TRANSMISSION DEVICE AND SYSTEM
#68Apparatus and method for spatial light modulation
#69Pluggable optical module and optical communication system
#70COHERENT OPTICAL RECEIVER DEVICE AND COHERENT OPTICAL RECEIVING METHOD
#71Optical receiving device and clock synchronization method
#72Optical receiving device and optical receiving method
#73Pluggable optical module and optical communication system
#74Self-coherent optical transmission system and receiver
#75Chip-scale receiver and method for free space optical coherent communications
#76System and method for optical communication
#77Frequency division multiple access optical subcarriers
#78Optical and electronic integrated switch and optical network system
#79Closed-loop generation of coherent oscillatory matterwaves
#80Accelerometer using coherent oscillatory matterwaves
#81Frequency division multiple access optical subcarriers
#82Optical communication system
#83Systems and methods for coherent optics in an access network
#84ONE-WAY OPTICAL LINK FOR PRECISION FREQUENCY TRANSFER BETWEEN STATIONARY OR MOVING PLATFORMS
#85Time division multiple access optical subcarriers
#86Mitigation of equalization-enhanced phase noise in a coherent optical receiver
#87Intra data center optical communication
#88Optical communications module link extender, and related systems and methods
#89Frequency division multiple access optical subcarriers
#90Frequency division multiple access optical subcarriers
#91Optical receiving apparatus, optical transmission system, optical transmission method and computer program
#92VIBRATION SENSING OVER PASSIVE OPTICAL NETWORKS (PONs) USING FORWARDING OPTICAL PHASE RETRIEVAL AND TIME-DOMAIN MULTIPLEXED (TDM) SWITCHING
#93Optical system and method
#94Adaptive equalizer, adaptive equalization method, and optical communication system
#95Optical communication system and optical communication method
#96Polarization-folding coherent optical technology for short reach optical communication
#97FREQUENCY DIVISION MULTIPLE ACCESS OPTICAL SUBCARRIERS
#98Method for safe and secure free space power and data transfer
#99Receiving optical system control device and receiving optical system control method
#100Wavelength dispersion compensation apparatus, optical receiving apparatus, wavelength dispersion compensation method and computer program
#101Subcarrier based data center network architecture
#102Optical reception apparatus and monitor signal generating method
#103Optical transfer system, optical transmitter, and optical communication method
#104OPTICAL FIBER EXHIBITING LOW GUIDED ACOUSTIC BRILLOUIN SCATTERING (GAWBS) NOISE AND MEASUREMENT THEREOF
#105WAVEGUIDE DUAL-DEPLETION REGION (DDR) PHOTODIODES
#106Optical 90 degree hybrid circuit
#107Methods, devices, and systems for integration, beam forming and steering of ultra-wideband, wireless optical communication devices and systems
#108System and methods for coherent optical extension
#109Optical transmission/reception device, optical communications system and optical transmission/reception method
#110Assembly for optical to electrical power conversion transfer
#111Signal processing method, signal processing apparatus and communication system
#112Device for measuring optical frequency reflection and measurement method thereof
#113Optical receiver evaluation method and optical receiver evaluation apparatus
#114Integrated optical system with wavelength tuning and spatial switching
#115FREQUENCY DIVISION MULTIPLE ACCESS OPTICAL SUBCARRIERS
#116Integrated optical filter and photodetector and methods of fabricating the same
#117Side channel communication for an optical coherent transceiver
#118Receiving device and receiving method
#119Electronic frequency-comb detector
#120Device and method for secure communication based on quantum cryptography
#121Pluggable optical module and optical communication system
#122Methods, devices, and systems for integration, beam forming and steering of ultra-wideband, wireless optical communication devices and systems
#123Space optical coupling apparatus
#124Optronic system for a countermeasure unit and method to optically communicate
#125Photon exchange based quantum network and method of operating such a network
#126Transmitting and receiving data using a satellite communications network
#127Multi-beam optical phased array
#128Receiving apparatus, receiving method and program
#129Communication system, optical transmitting apparatus, and optical receiving apparatus
#130Optical transmission system
#131Optical transmission system
#132Transmitting and receiving data using a satellite communications network
#133Transmitting and receiving data using a satellite communications network
#134Monolithic integrated coherent transceiver
#135Optical transmission characteristics estimation method, optical transmission characteristics estimation system, and optical transmission characteristics compensation system
#136Optical module
#137Transceiver assembly for free space power transfer and data communication system
#138Optical communications module link extender, and related systems and methods
#139Systems, methods, and devices for spur and noise suppressed photonic links
#140Apparatus and method for signal modulation in a point-to-multipoint optical network
#141Optical transceiver and optical coherent receiving system
#142Coherent optical receiver device and coherent optical receiving method
#143Optical reception device
#144Power over fiber system
#145Receiving circuit and optical receiver
#146Systems and methods for full duplex coherent optics
#147Assembly for optical to electrical power conversion
#148Pluggable optical module, optical communication system, and control method of pluggable optical module
#149System and methods for cable fiber node splitting using coherent optics
#150Optical communication interface utilizing n-dimensional double square quadrature amplitude modulation
#151Fast estimation of chromatic dispersion
#152Optical transmission/reception device, optical communications system and optical transmission/reception method
#153Receiver Optical Subassembly, Combo Transceiver Subassembly, Combo Optical Module, Communications Apparatus, and PON System
#154Backward propagation with compensation of some nonlinear effects of polarization mode dispersion
#155Transmitter assembly for free space power transfer and data communication system
#156Optical subcarrier dual-path protection and restoration for optical communications networks
#157Optical subcarrier dual-path protection and restoration for optical communications networks
#158Optical subcarrier dual-path protection and restoration for optical communications networks
#159Optical transceiver and optical transmission/reception method
#160Optical subcarrier dual-path protection and restoration for optical communications networks
#161Optical subcarrier dual-path protection and restoration for optical communications networks
#162Optical subcarrier dual-path protection and restoration for optical communications networks
#163Optical subcarrier dual-path protection and restoration for optical communications networks
#164Optical subcarrier dual-path protection and restoration for optical communications networks
#165Interferometric optical fiber measurement system with multicore optical fiber
#166Control light intensity through scattering media with speckle intensity sequencing
#167Dynamically switching queueing schemes for network switches
#168Dynamically switching queueing schemes for network switches
#169Dynamically switching queueing schemes for network switches
#170Dynamically switching queueing schemes for network switches
#171DYNAMICALLY SWITCHING QUEUEING SCHEMES FOR NETWORK SWITCHES
#172SPATIAL OPTICAL COMMUNICATION RECEIVER
#173Network system, management device, and network design method
#174Pluggable optical module and optical communication system
#175Optical signal transceiver apparatus
#176Optical fiber system with photonic integrated circuit coupled to multicore optical fiber
#177Optical amplifier, control method for optical amplifier, and optical communication system
#178OPTICAL TRANSMISSION DEVICE, OPTICAL RECEPTION DEVICE, AND OPTICAL COMMUNICATION METHOD
#179Laser light collecting assembly for a wireless power receiver
#180Electronic demodulation of optically phase demodulated signals
#181Optical reception apparatus and monitor signal generating method
#182Drive-timing adjustment method and device for a photon detector, and optical communication system
#183Automatic measurement of the noise performance of a transponder
#184Frequency division multiple access optical subcarriers
#185Transceiver assembly for free space power transfer and data communication system
#186Method and apparatus for suppression of noise due to local oscillator instability in a coherent fiber optical sensor
#187Frequency division multiple access optical subcarriers
#188Frequency division multiple access optical subcarriers
#189Method for safe and secure free space power and data transfer
#190Digital coherent receiver and skew adjustment method thereof
#191Synchronization for subcarrier communication
#192Frequency division multiple access optical subcarriers
#193ACTIVE OPTICAL CABLE
#194Synchronization for subcarrier communication
#195System and method for data transmission
#196Synchronization for subcarrier communication
#197Optical receiver and optical reception method
#198Methods, devices, and systems for integration, beam forming and steering of ultra-wideband, wireless optical communication devices and systems
#199Methods, devices, and systems for integration, beam forming and steering of ultra-wideband, wireless optical communication devices and systems
#200Digital nonlinear phase compensator for legacy submarine cables
#201Optical performance monitoring based on fast bit error rate (BER) statistics
#202Coherent sampling
#203Monolithic integrated coherent transceiver
#204Coherent optical receiver device and coherent optical receiving method
#205Photonic monobit analog-to-digital converter using coherent detection
#206Time division multiple access optical subcarriers
#207Code division multiple access optical subcarriers
#208Code division multiple access optical subcarriers
#209Time division multiple access optical subcarriers
#210Tuning optoelectronic transceivers in optical network
#211Auxiliary channel in PAM/QAM systems using redundant constellation points
#212Coherent optical modem with method to discover and control an amplifier's automatic gain control (AGC) loop bandwidth
#213OPTICAL TRANSMITTER
#214Tuning optoelectronic transceivers in optical network
#215Side channel communication for an optical coherent transceiver
#216Apparatus and method to improve optical reach in bidirectional optical transmission systems employing single-laser coherent transceivers
#217System and methods for coherent optical extension
#218Device and system for coherently recombining multi-wavelength optical beams
#219Signal transmission method and system
#220DETECTING CODED LIGHT
#221Pluggable optical module and optical communication system
#222Optical reception apparatus and monitor signal generating method
#223Silicon photonic integrated circuit with electrostatic discharge protection
#224Pluggable optical module, optical communication system, and control method of pluggable optical module
#225Data Transmission Method and Transceiver Facilitating the Switching of Frequency Bands for Optical Channels
#226In-line amplifier assembly for distributed sensing system
#227Geometric constellation shaping for optical data transport
#228System and methods for cable fiber node splitting using coherent optics
#229Multi-beam optical phased array
#230Optical hybrid
#231System and method of mitigating electromagnetic interference (EMI) in modulated light detection systems
#232Optical transmission/ reception device, optical communication system and optical transmission/ reception method
#233Wireless communication link between at least one communication terminal device positioned in a predeterminable region and a communication network
#234Systems and methods for full duplex coherent optics
#235Optical receiver and coherent optical reception method
#236Digital coherent receiver and skew adjustment method thereof
#237Pluggable optical module and optical communication system
#238Coherent transceiver architecture
#239Optical transmission characteristic estimation method, optical transmission characteristic compensation method, optical transmission characteristic estimation system and optical transmission characteristic compensation system
#240Optical transmitting device and optical receiving device
#241Adaptive digital filtering in an optical receiver
#242Subcarrier based data center network architecture
#243Method for adjusting optical source
#244Optical domain equalization for coherent optical receivers
#245Coherent optical receiver device and coherent optical receiving method
#246Method to discover and control an amplifier's automatic gain control (AGC) loop bandwidth
#247Oxidation process
#248Optical communication interface utilizing N-dimensional double square quadrature amplitude modulation
#249Optical transmission method and optical receiver apparatus for determining received symbols from a received electrical signal using an indication of a nonlinear impulse response of the direct detection and without performing equalization following the direct detection
#250Optical communication apparatus and frequency control method
#251Systems and methods for coherent optics in an access network
#252Network of extremely high burst rate optical downlinks
#253Single-step nonlinearity compensation using artificial intelligence for digital coherent transmission systems
#254Optical reception apparatus and monitor signal generating method
#255Optical transmission device, optical transmission method and optical transmission system
#256Transmitter optical subassembly and optical module comprising an impedance element to minimize a flow of an alternate current
#257Optically communicative battery management system
#258Dual parallel Mach-Zehnder-modulator device with pre-distorted driving voltages
#259Optical circuit
#260Parity frame
#261Optical receiver
#262High capacity optical data transmission using intensity-modulation and direct-detection
#263Known signal detection method
#264Visible-light communications receiver
#265Parallel optical transponder enabled by optical comb sources
#266Systems and methods for full duplex coherent optics
#267Orthogonal frequency division multiplexing single sideband transmission over a waveguide
#268Method and apparatus for electromagnetic field manipulation using near-field and far-field sensing
#269Coherent transceiver architecture
#270Signal processing unit and method for time of flight measurement
#271High capacity coherent optical transceiver for short reach applications
#272Optical reception apparatus, system, and control method
#273Phase compensation device, phase compensation method and communication apparatus
#274Transmission characteristic compensation apparatus, transmission characteristic compensation method, and communication apparatus
#275Systems and methods for coherent optics ranging and sensing
#276Optical communication system and optical transmitter
#277Optical communication interface utilizing n-dimensional double square quadrature amplitude modulation
#278Optical hybrid
#279Compensation coefficient calculation method
#280Devices and methods for transmitting and receiving in an optical communications system
#281Transmission apparatus, reception apparatus, and method for estimating characteristics of transmission line
#282Backward propagation with compensation of some nonlinear effects of polarization mode dispersion
#283Received signal processor and method for processing received signal
#284Apparatus and methods for timing tone based transmitter skew alignment in an optical communication system
#285Simultaneous classical and quantum communication scheme based on coherent detection
#286Coherent optical receiver device and coherent optical receiving method
#287Optical time distributor and process for optical two-way time-frequency transfer
#288Optical transmitter and optical transmission method
#289Modular optical device and modules therefor
#290Signal quality measurement device and signal quality measurement method
#291Signal processing device, communication system, and signal processing method
#292Free space optical transmitter and free space optical communication method
#293System and method for microwave distribution and measurement with high dynamic range
#294Mobile terminal
#295Optical signal processing method and coherent receiver
#296Method and system for optical impairment mitigation for high-speed optical communication systems
#297System and methods for cable fiber node splitting using coherent optics
#298Datacenter interconnection system
#299Pluggable optical module and optical communication system
#300Optical interconnecting network architecture