Optical transmission system and method

Optical transmission system and optical filter assembly for...

Optical transmission system and optical filter assembly for...

Optical transmission system with dynamic compensation of the pow

Optical transmission systems and optical amplifiers for use...

Optical transmission systems and optical amplifiers for use...

Optical transmission systems and optical amplifiers for use...

Optical transmitter including rare earth-doped fiber

Optical transmitting apparatus and optical repeating apparatus

Optical transmitting apparatus having variable optical...

Optical transmitting apparatus having variable optical...

Optical waveguide amplifier

Optical waveguide amplifier optical service channel accessor...

Optical-fiber amplifier

Optical-fiber amplifier having high-saturation output

Optical-level control method, optical-level control...

Optically amplified gain control circuit and optically...

Optically amplifying device with gain equalizing function

Optically amplifying transmission system

Output power enhancement in optical fiber lasers