High power, optically-linearized microwave fiber optic link with suppression of fiber induced distortion

Optical device, optical modulation method, and optical transmitter

Control apparatus and control method for optical modulator

Hybrid Optical and Electrical Fiber Optic Link Linearizer

Optical fiber device

Multi-stage fiber amplifier to suppress Raman scattered light

Systems and methods for reducing clipping in multichannel modulated optical systems

Anti clipping circuit for laser transmitters

Method and apparatus for low chirp transmitter for optical fiber communications

Coherent optical communication apparatus and method

LIGHT MODULATING APPARATUS

Slow chirp compensation for enhanced signal bandwidth and transmission performances in directly modulated lasers

Method and arrangement for forming a transmitter-side transmission signal

Small form pluggable analog optical transmitter

Optical communication apparatus and optical add/drop apparatus

Lossy linearizers for analog optical transmitters

In-line distortion cancellation circuits for linearization of electronic and optical signals with phase and frequency adjustment

Optical communication system having enhanced spectral efficiency using electronic signal processing

Optical transmitter

Optical transmitter with feed-forward compensation

Optical communications systems, devices, and methods

Optical transmission system with directly modulated laser and feed forward noise cancellation

Optical communications device and optical communications system

Integrated circuit for adjusting bias in optical transmitter with external modulator

Method and apparatus for reducing clipping in an optical transmitter by phase decorrelation

Electrical compensation of optical impairments

Optical transmitter

Second order predistortion circuit

Optical signal jitter reduction via electrical equalization in optical transmission systems

Optical transmitting apparatus and optical communication system

Optical transmission system, optical transmitter for optical transmission system, and optical receiver for optical transmission system

Multimode optical fibre communication system

Method and system for keeping time alignment between optical data modulation and a periodically modulated light source

Power source for a dispersion compensation fiber optic system

Optical communication system, method, and optical transmitting station

Directly modulated laser optical transmission system with phase modulation

System and method for generating optical return-to-zero signals with alternating bi-phase shift

System and method for generating optical return-to-zero signals with alternating bi-phase shift and frequency chirp

Optical transmitter with integrated amplifier and pre-distortion circuit

Sideband filtering of directly modulated lasers with feedback loops in optical networks

Compensation for temperature and voltage effects when monitoring parameters in a transceiver module

High-speed, silicon-based electro-optic modulator with feedback control

Optical link

Control system for a polar optical transmitter

Modulation E-field based control of a non-linear transmitter

Distortion generator circuit, pre-distortion circuit, optical signal transmitter using the same, and optical signal transmission system

Optical transmitter device

Variable noise control for an optical transducer

Thermal chirp compensation systems for a chirp managed directly modulated laser (CML™) data link

Preemphasis of an optical wavelength multiplex signal

Automatic bias control for an optical modulator

Optical system comprising an FM source and a spectral reshaping element

Pre-compensation for modulator distortion in optical systems

Adiabatically frequency modulated source

Method and apparatus for distortion control for optical transmitters

Directly modulated laser optical transmission system

Spectral shaping for optical OFDM transmission

Optical modulator, optical transmitter, optical modulating method and manufacturing method of the optical modulator

Optical transmitter and its control method

Electroabsorption modulator biasing

Programmable transition time adjustment mechanism

Optical modulating apparatus having bias controller and bias control method

Power source for a dispersion compensation fiber optic system

Apparatus and method for optimizing bias voltage of electro-optic modulator and optical transmitting system using the same

Method and apparatus for transmitting a signal using thermal chirp management of a directly modulated transmitter

Optical modulating apparatus

Modulated laser with integral pre-distortion circuit

Optical communication system and method using spread-spectrum encoding

Optical transmitter

Enhanced subranging electro-optic modulator (SEOM) for high dynamic range applications

Wavelength-multiplexed subranging electro-optic modulator (SEOM) for high dynamic range applications

Wavelength-multiplexed subranging electro-optic modulator (SEOM) for high dynamic range applications

Wavelength locking

In-service characterization of nonlinear interference on a per-span basis

Full dimensional skew estimation using cross-correlation matrix analysis

Millimeter-wave frequency synthesizer based on microcomb photomixing, and associated methods

Full dimension skew estimation and compensation in coherent optical systems

Mixed signal pre-emphasis technique for optical transceivers

System and method for reducing distortion in optic laser outputs

Systems and methods for relative intensity noise cancelation

Methods and apparatus for adaptive compensation of signal bandwidth narrowing through finite impulse response filters

Controlling gain modulation in optical communication networks

Methods and apparatus for adaptive compensation of signal bandwidth narrowing through finite impulse response filters

Carrier suppressed multi-level pulse amplitude modulation

Methods and apparatus for adaptive compensation of signal bandwidth narrowing through finite impulse response filters

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

Nonlinear noise mitigation with spectral inversion in optical transport networks

Transmitter gain imbalance and skew optimization for coherent transmitters

Method and apparatus for characterization and compensation of optical impairments in InP-based optical transmitter

Polarization pre-compensation technique for polarization-division-multiplexed direct-detection optical communication systems

Coherent optical transceiver with programmable application modes

Coherent optical transceiver with programmable application modes

Systems, circuits and methods for conditioning signals for transmission on a physical medium