Optical fiber amplifier and optical transmission system...

Optical fiber amplifier and optical transmission system...

Optical fiber amplifier and output power flattening method...

Optical fiber amplifier circuit comprising a control circuit for

Optical fiber amplifier control

Optical fiber amplifier device and communications system...

Optical fiber amplifier for achieving high gain of small signal

Optical fiber amplifier for amplifying signal lights propagating

Optical fiber amplifier for clamping and equalizing gain in...

Optical fiber amplifier for controlling gain flatness

Optical fiber amplifier for superimposing a sub-signal

Optical fiber amplifier having a gain flattening filter

Optical fiber amplifier having automatic power control...

Optical fiber amplifier having constant output power for...

Optical fiber amplifier having light surge preventing function

Optical fiber amplifier having variable gain

Optical fiber amplifier network having a coherently combined out

Optical fiber amplifier surge protective apparatus

Optical fiber amplifier system and method

Optical fiber amplifier unit and method for supplying excited li