Optical amplifier apparatus

Optical amplifier apparatus and control method thereof, and...

Optical amplifier arrangement having a variably settable...

Optical amplifier control

Optical amplifier device

Optical amplifier device

Optical amplifier equipment for WDM optical communication

Optical amplifier for amplifying a wavelength division...

Optical amplifier for amplifying multi-wavelength light

Optical amplifier for CATV system with forward and reverse paths

Optical amplifier for wavelength multiplexing optical transmissi

Optical amplifier for wavelength-multiplexing transmission

Optical amplifier gain control monitoring

Optical amplifier having a substantially flat gain spectrum

Optical amplifier having a variable attenuator controlled based

Optical amplifier having an attenuator for attenuating input pow

Optical amplifier having first and second stages and an attenuat

Optical amplifier having various control circuitry

Optical amplifier modules

Optical amplifier performance controller and method of use