OPTICAL TRANSMISSION LINE MONITORING APPARATUS AND OPTICAL TRANSMISSION LINE MONITORING METHOD

DEVICE AND METHOD FOR DISPERSION MEASUREMENT FROM RECEIVED SIGNAL

RESONANCE STRUCTURE CONTROL LASER DEVICE THROUGH MULTI-CHROMATIC DISPERSION COMPENSATION

EFFICIENT HIGHER LOSS BUDGET PON TRANSCEIVER

OPTICAL RECEIVE DEVICE AND OPTICAL TRANSMISSION SYSTEM

COMMUNICATION SYSTEM, RECEIVER, EQUALIZATION SIGNAL PROCESSING CIRCUIT, METHOD, AND COMPUTER READABLE MEDIUM

TRANSMISSION PATH MONITORING APPARATUS AND TRANSMISSION PATH MONITORING METHOD

OPTICAL TRANSMISSION AND RECEPTION SYSTEM, OPTICAL TRANSMISSION AND RECEPTION METHOD, AND OPTICAL TRANSMISSION APPARATUS

DIGITAL SIGNAL PROCESSING CIRCUIT, METHOD, RECEIVER, AND COMMUNICATION SYSTEM

COMMUNICATION SYSTEM, RECEIVER, EQUALIZATION SIGNAL PROCESSING CIRCUIT, EQUALIZATION SIGNAL PROCESSING METHOD, AND PROGRAM

WIRELESS COMMUNICATION METHOD

OPTICAL WAVEGUIDE, OPTICAL COMMUNICATION DEVICE, OPTICAL COMMUNICATION METHOD, AND OPTICAL COMMUNICATION SYSTEM

RECEIVER-BASED FIBER-OPTIC LINK MONITOR

CHROMATIC DISPERSION PRE-COMPENSATION OVER BI-DIRECTIONAL OPTICAL LINK

Optical transmission system, control apparatus, optical transmission method and program

Optical communication system

Optimal operation method of high-frequency phase dithering technique for compensating for interference noise in analog-optical transmission-based mobile fronthaul network, and transmitter using same

Chromatic dispersion tolerant PAM-M transceiver for optical routing to extended paths

Integrated Module Having Multiple Optical Channel Monitors With Shared Liquid Crystal Based Switching Assembly

Wavelength dispersion compensation apparatus and wavelength dispersion compensation method

Wavelength dispersion amount calculation apparatus and wavelength dispersion amount calculation method

Spectral averaging of OTDR traces

Optical receiver using a photonic integrated circuit with array of semiconductor optical amplifiers

Integrated Module Having Multiple Optical Channel Monitors With Shared Liquid Crystal Based Switching Assembly

Wavelength dispersion compensation apparatus, optical receiving apparatus, wavelength dispersion compensation method and computer program

Optical network device and method for monitoring transmission line

ALL-OPTICAL MULTI-RATE SYSTEMS AND METHODS

Apparatus and method for monitoring polarization change

Method and system for electro-optic modulation

Optical receiving apparatus and waveform distortion compensation method

Dispersion compensation

Wavelength dispersion compensation apparatus, wavelength dispersion compensation method, and optical receiving apparatus

Quantum key distribution systems having low loss dispersion limiting fibers

Transmission line monitoring device and transmission line monitoring method

Dispersion compensation system and dispersion compensation method

Receiving apparatus and receiving method

Administering web-based access credentials

Method of estimating a propagation delay difference of an optical link and apparatus for same

Dispersion compensation designing device, dispension compensation method, optical transmission system, and program

Fast estimation of chromatic dispersion

Enhancement of optical communications and optical fiber performance

Unequal spacing on multilevel signals

System and method for extending path length of a wave signal using angle multiplexing

Enhancement of optical communications and optical fiber performance

Frequency chirp correction method for photonic time-stretch system

Electronic access control based on optical codes

Device and system for coherently recombining multi-wavelength optical beams

Low-noise Raman amplifier

Method of differential mode delay measurement accounting for chromatic dispersion

System and method for extending path length of a wave signal using angle multiplexing

Quantum communication systems having dispersion compensating optical fiber links

Clock recovery for subcarrier based coherent optical systems

Method and device for chromatic dispersion compensation

Optical transmission system, PON system, and transmission method

Optical transmission apparatus and method

Optical communication system and optical transmitter

Multiplexer/demultiplexer and passive optical network system

Systems and methods for removal of nonlinear distortion from chirping laser signals

Chromatic dispersion management

Coherent optical reception device

Station-side device and wavelength control method

Channelization for dispersion limited waveguide communication channels

Methods and Systems for Fiber Optic Communication

System and method for coherent detection with digital signal procession

Method and apparatus for monitoring chromatic dispersion in optical communications network

Monitor device and monitor method for monitoring transmission line

Method and apparatus for automatic compensation of chromatic dispersion

Method and system for optical impairment mitigation for high-speed optical communication systems

Overlapping spectrum amplification

Visible light communication of an access credential in an access control system

Visible light communication of an access credential in an access control system

Optical transmission system, optical receiver, and method for detecting optical signal information

Optical receiver with optical transmitter-specific dispersion post-compensation

Digital signal processing circuit and signal processing device that includes a plurality of digital signal processing circuits

Gigabit Ethernet Analyzer for Optical Time Domain Reflectometer

Optical communication system and optical transmitter

Optical signal transmission system and method of allocating center frequencies of intermediate frequency (IF) carriers for frequency division multiplexing (FDM) optical fiber link

Frequency domain optical channel estimation

Optical transmitter with optical receiver-specific dispersion pre-compensation

Joint acquisition of chromatic dispersion and frequency offset in optical systems

Visible light communication of an access credential in an access control system

Optical signal transmission apparatus and optical signal transmission method

SYSTEM AND METHOD FOR COHERENT DETECTION WITH DIGITAL SIGNAL PROCESSION

Receiving device and sending device

Monitoring apparatus and method for an optical signal-to-noise ratio and receiver

Method of measuring optical fiber link chromatic dispersion by fractional Fourier transformation (FRFT)

BIT ERROR RATIO OPTIMIZATION METHOD AND APPARATUS

Dual-channel orthogonal carriers assisted optical signal transmitting device, direct detection method and system

Optical receiver with optical transmitter-specific dispersion post-compensation

Signal processing device, optical communication system, and signal processing method

Method and system for optical impairment mitigation for high-speed optical communication systems

Coherent communication system, communication method, and transmission method

Optical dispersion compensation devices

Coherent waveform conversion in optical networks

Optical signal conversion device and method thereof

REGENERATOR PLACEMENT USING A POLYNOMIAL-TIME ALGORITHM

Determining properties of an optical communications path in an optical communications network

Dispersion management for inhomogeneous fiber-optic links

Signal generating circuit, optical signal transmitting apparatus, signal receiving circuit, method for establishing optical signal synchronization, and optical signal synchronization system

Signal generating circuit, optical signal transmitting apparatus, signal receiving circuit, method for establishing optical signal synchronization, and optical signal synchronization system

Method for compensating chromatic dispersion and associated equipment

Apparatus and method of compensating for compact digital domain chromatic dispersion

Method and arrangement for adaptive dispersion compensation

Method and system for a polarization mode dispersion tolerant optical homodyne detection system with optimized transmission modulation

Optical transmitter and modulated optical signal generating method

Method of demodulating a phase modulated optical signal

Digital demodulator architecture

Optical multilevel signal pre-equalization circuit, optical multilevel signal pre-equalization transmitter, and polarization-multiplexed pre-equalization transmitter

Pre-equalized optical transmitter and pre-equalized optical transmission method

Multimode optical fiber systems with adjustable chromatic modal dispersion compensation

Method for estimating amount of wavelength dispersion, wavelength dispersion compensation circuit, and receiving device

Tunable dispersion compensation device, optical reception apparatus, and method for controlling tunable dispersion compensation

Method for improving the performance of digital coherent optical receiver using single ended photo-detection

Optical transmission device and optical switch device

Digital demodulator architecture

Electronic phase conjugation for impairment compensation in a fiber communication system

Communication system, dispersion slope imparting section, and method for communicating

Method and system for a polarization mode dispersion tolerant optical homodyne detection system with optimized transmission modulation

WAVELENGTH MULTIPLEXING OPTICAL COMMUNICATION DEVICE AND OPTICAL DISPERSION COMPENSATION METHOD

Method and equipment for operating a coherent optical packet receiver

Signal generating circuit, optical signal transmitting apparatus, signal receiving circuit, method for establishing optical signal synchronization, and optical signal synchronization system

COMMUNICATION TRANSMISSION SYSTEM WITH OPTICALLY AIDED DIGITAL SIGNAL PROCESSING DISPERSION COMPENSATION

Method and arrangement for adaptive dispersion compensation

Compensating for end-to-end group delay ripples

Electronic nonlinearity compensation for optical transmission systems

Tunable dispersion compensator configured for continuous setpoint control

Method and system for compensating for optical dispersion in an optical signal

Apparatus for supporting designing of optical network, process for designing optical network, and computer-readable, non-transitory medium storing network design program

JOINT SAMPLE RATE CONVERSION AND CD COMPENSATION IN FREQUENCY DOMAIN FOR COHERENT POLMUX

Method, system, and apparatus for filter implementation using hermitian conjugates

Introduction-side dispersion shifting of channels

Distinct dispersion compensation for coherent channels

Optical transmission system, optical transmission equipment, and chromatic dispersion compensation method

System, method and apparatus for coherent optical OFDM

Receiver and Method for Operating Said Receiver

System and method for tunable chromatic dispersion compensation

Pre-compensation method for delays caused by optical fiber chromatic dispersion, multi-sub-carrier signal generator applying the method, and transmitter of optical-OFDM system applying the signal generator

OPTICAL TRANSMISSION APPARATUS, OPTICAL COMMUNICATION METHOD, AND OPTICAL COMMUNICATION SYSTEM

Optical network design apparatus and dispersion compensation design method

Polarization independent frequency domain equalization (FDE) for chromatic dispersion (CD) compensation in PolMux coherent systems

Optical signal processing device

Adaptive crossing frequency domain equalization (FDE) in digital PolMux coherent systems

High bit rate bidirectional passive optical network, associated optical exchange and line termination device

TECHNIQUE FOR COMPENSATING UNDESIRED EFFECTS IN OPTICAL LINKS OF AN OPTICAL COMMUNICATION NETWORK

OPTICAL RECEIVER

Chromatic dispersion compensation design system and chromatic dispersion compensation design method

Method for improving the performance of digital coherent optical receiver using single ended photo-detection

Method and system for a polarization mode dispersion tolerant optical homodyne detection system with optimized transmission modulation

Method of Limiting the Non-Linear Phase Noise of a Phase-Modulated Optical Signal of Constant Amplitude, and an Associated Device

TRANSMISSION LINE OPTIMIZATION METHOD IN OPTICAL COMMUNICATION SYSTEM

ADAPTIVE DISPERSION COMPENSATION SYSTEM AND METHOD FOR OPTICAL COMMUNICATION NETWORK

Method of determining an optical distance for chromatic dispersion compensation

APPARATUS AND METHOD OF COMPENSATING FOR COMPACT DIGITAL DOMAIN CHROMATIC DISPERSION

Simultaneous PMD compensation and chromatic dispersion compensation using LDPC coded OFDM

Dispersion compensation

DISPERSION AND NONLINEAR COMPENSATOR FOR OPTICAL DELIVERY FIBER

Apparatus and method for commissioning an optical transmission system

Methods and apparatus for optical transmission of digital signals

Performance compensated Tx/Rx optical devices

Optical receiver implemented with dual electronic dispersion compensators

Optical receiving device and optical transmission system

Dispersion compensation controlling apparatus and method for searching for amount of dispersion control

Reconstruction and restoration of two polarization components of an optical signal field

Reconstruction and restoration of two polarization components of an optical signal field

Telecommunications transport methods and systems for extended reach low differential latency

Modulation scheme for tedons

Apparatus and Method for Self-Adaptive Dispersion Compensating

Optical Transmission System and Method for Compensating Wavelength Dispersion of Main Signal By Multiplexing Dispersion-Free Control Signal

Transmission system and transmission method

Optical transponders with reduced sensitivity to polarization mode dispersion (PMD) and chromatic dispersion (CD)

Electronic dispersion compensation systems and methods

System and method for automatic tuning of chromatic dispersion compensation for a WDM transmission system using raman distributed co-pumping

Simultaneous electrical pre-compensation of self-phase modulation and chromatic dispersion

Chromatic dispersion monitoring method and chromatic dispersion monitoring apparatus, and optical transmission system

Optical signal regenerator and transmission system

Integrated optical transmitter

Synchronizing nodes in an optical communications system utilizing frequency division multiplexing

Apparatus and method for measuring the dispersion of a fiber span

Deliberate signal degradation for optimizing receiver control loops

Method for wavelength independent dispersion penalty measurement

Reducing crosstalk in optical wavelength converters

Automatic assignment of addresses to nodes in a network

Method of transmitting an optical signal in an optical transmission system and optical transmission system for implementing such a method

Automatic assignment of addresses to nodes in a network

Methods of spread-pulse modulation and nonlinear time domain equalization for fiber optic communication channels

Systems with spread-pulse modulation and nonlinear time domain equalization for fiber optic communication channels

Apparatus with spread-pulse modulation and nonlinear time domain equalization for fiber optic communication channels

Method and system for 80 and 160 gigabit-per-second QRZ transmission in 100 GHz optical bandwidth with enhanced receiver performance

Modulation scheme for tedons

Wavelength dispersion compensation design method and a system thereof

Transmitter preemphasis in fiber optic links

System and method for rapidly achieving optimum dispersion in optical transmission systems

Duo-binary optical transmitter tolerant to chromatic dispersion

Method and apparatus for dispersion management in optical communication systems

Equalizer having tunable optical and electronic dispersion compensation

Optical transport system

Adaptive optical equalization for chromatic and/or polarization mode dispersion compensation

Adaptive optical equalization for chromatic and/or polarization mode dispersion compensation and joint opto-electronic equalizer architecture

System and method for programmable polarization-independent phase compensation of optical signals

Multi-wavelength CD and PMD compensator

Dispersion compensation in optical communications systems

Apparatus and method for commissioning an optical transmission system

Method and apparatus for automatically adjusting the optical power directed to a dispersion compensating element

Method and apparatus for optical noise cancellation

Post-detection, fiber optic dispersion compensation using adjustable infinite impulse response filter employing trained or decision-directed adaptation

Post-detection, fiber optic dispersion compensation using adjustable inverse distortion operator employing trained or decision-based parameter adaptation (estimation)

Dispersion management method and system for optical transceivers

Optical transceiver with dispersion management

Configurable link extender in small form factor

Fast estimation of chromatic dispersion

Unequal spacing on multilevel signals

Fiber parameter identification

Nonlinear noise mitigation with spectral inversion in optical transport networks

Low power low complexity chromatic dispersion compensation