Method for nonlinear compensation of coherent high-capacity high-order qam system

Receiver and system for transporting and demodulating complex optical signals

Apparatus and methods for digital signal constellation transformation

Nonlinearity cancellation in fiber optic transmission based on frequency-mutually-referenced carriers

Apparatus and methods for digital signal constellation transformation

Apparatus and methods for digital signal constellation transformation

Apparatus and method for equalization and compensation of chromatic dispersion in optical transmission

Optical communication system and method

Apparatus and method for processing a digital signal in a frequency domain linear equalizer

Compensation coefficient calculation method

Coherent optical reception device

Reduction of second-order non-linear distortion in a wideband communication system

Apparatus and methods for digital signal constellation transformation

Optical communication with some compensation of nonlinear distortions

Apparatus and methods for digital signal constellation transformation

Electronic dispersion compensation methods and implementations using RLC filter synthesis

Compensation of non-linear transmitter impairments in optical communication networks

METHOD OF NON-LINEARITY COMPENSATION IN OPTICAL FIBRE COMMUNICATIONS

Optical reception apparatus

Optical transmission device, nonlinear distortion compensation method, and nonlinear distortion pre-equalization method

Distortion compensator, optical receiver, distortion compensator and optical receiver controlling methods, and optical transmission system

Blind equalization algorithms for adaptive polarization recovery and PMD compensation

Coherent receiver apparatus and chromatic dispersion compensation method

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

Nonlinear compensation using an enhanced backpropagation method with subbanding

Dispersion management in optical networks including both coherent and direct detection receivers

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

COMMUNICATION TRANSMISSION SYSTEM WITH OPTICALLY AIDED DIGITAL SIGNAL PROCESSING DISPERSION COMPENSATION

Optical communication system and optical communication method

OPTICAL RECEIVER

Optical receiver and clock generation method

Method and a system with distortion compensation

Dispersion compensation device, optical reception device, method for dispersion compensation, and method for optical reception

Electronic dispersion compensation within optical communications using reconstruction

Blind equalization algorithms for adaptive polarization recovery and PMD compensation

Electronic compensation of nonlinear effects of semiconductor optical amplifiers

Distortion compensating apparatus, optical receiving apparatus, and optical transmitting and receiving system

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

Distortion compensator, optical receiver, distortion compensator and optical receiver controlling methods, and optical transmission system

Dispersion determining apparatus and automatic dispersion compensating system using the same

OPTICAL TRANSMISSION DEVICE AND OPTICAL TRANSMISSION METHOD

Optical communications system having chromatic dispersion and polarization mode dispersion compensation

Polarization mode dispersion compensation in multilevel coded-modulation schemes using blast algorithm and iterative polarization cancellation

Dispersion compensator and optical communication device having same

Tuning system and method using a simulated bit error rate for use in an electronic dispersion compensator

Optical transmission system

Optical signal transmission apparatus

Electronic post-compensation of optical transmission impairments using digital backward propagation

Wavelength division multiplexing system, method and device for its residual dispersion compensation

Phase shift keyed high speed signaling

Optical transmission equipment and method for controlling thereof

Method of operating and optimising a WDM transmission system and computer program product

Optical receiving station, optical communication system, and dispersion controlling method

Optical transmission system and dispersion compensator

Optical transmission system using in-line amplifiers

System and method for dispersion compensation in an optical communication system

Method and apparatus for dispersion management in optical mesh networks

Optical receiving station, optical communication system, and dispersion controlling method

Net chromatic dispersion measurement and compensation method and system for optical networks

Dispersion compensation apparatus including a fixed dispersion compensator for coarse compensation and a variable dispersion compensator for fine compensation

Redundant WDM transmission system optical receiver with reduced variable optical attenuators and/or variable dispersion compensation modules

Optical transmission system and dispersion compensator

Hybrid compensation of chromatic dispersion in optical networks

Fiber parameter identification

Linearization of photonic analog-digital converter (pADC) system based on multi-dimensional quantization (MDQ)

Apparatus and methods for digital signal constellation transformation