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

Optical amplifier pre-emphasis and equalization method and...

Optical amplifier repeater system

Optical amplifier site with reduced noise and transmission...

Optical amplifier spectral tilt controllers

Optical amplifier system and optical network having...

Optical amplifier using delayed phase matching fiber

Optical amplifier utilizing rare earth element-doped optical...

Optical amplifier with a spectral gain monitor using a...

Optical amplifier, communication system and method for...

Optical amplifier, fiber laser, and method of eliminating...

Optical amplifier, method for compensating for temperature...