Optical sensor system

Optical signal control method and apparatus

Optical signal transmission system including pulsed FM modulator

Optical signal transmitter

Optical superheterodyne receiver for, in particular, phase-shift

Optical switching system

Optical systems and methods based upon temporal stretching, modu

Optical transmission network

Optical transmission system

Optical transmission systems

Optical transmitter

Optical transmitter comprising an optical frequency discriminato

Optical transmitter of modulated signals

Optical transmitter utilizing a bistable distributed feedback se

Optical transmitter, optical receiver and optical transmission a

Optical transmitting and receiving apparatus

Optical two-way transmission system with loop reflector modulato

Optical waveguide isolator

Optical-fiber transmission system with polarization modulation a

Optically coupled bidirectional transceiver