RF STEGANOGRAPHY BASED ON PHOTONICS

Optical remodulator that remodulates modulated optical signal and optical remodulation method

Wavelength path switching method, optical communication system, optical communication device, optical repeater, and network management device

CHROMATIC DISPERSION COMPENSATION SYSTEM AND METHOD

Method and device for providing and/or controlling an optical signal

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

CHROMATIC DISPERSION COMPENSATION SYSTEM AND METHOD

Dispersion compensation method in optical communication system having optical add drop multiplexing capability

Optical fiber amplifier and dispersion compensating fiber module for optical fiber amplifier

Chromatic dispersion compensation system and method

All-optical 2R regenerator for multi-channel communication

Optical amplifier and optical fiber

Optical transmission system using in-line amplifiers

Optical transmission apparatus

Chromatic dispersion compensation system and method

Bidirectional communication system

Amplification method and optical amplifier for wavelength division multiplexed signal light

Optical fiber amplifier and dispersion compensating fiber module for optical fiber amplifier

Multiple order Raman amplifier

System and method for multi-channel mitigation of PMD/PDL/PDG