Controller which controls a variable optical attenuator to...

Controller which controls a variable optical attenuator to...

Controller which controls a variable optical attenuator to...

Controlling apparatus for optical amplifier and controlling...

Crosstalk suppression in a multipath optical amplifier

Depolarized semiconductor laser sources

Depolarizers for optical channel monitors

Device and a method for evaluating an optical amplifier

Device and method to supress Q-switching in an optical amplifyin

Device for interconnecting an amplifying fiber

Device for reducing the optical noise due to four wave mixing

Device for suppressing transient effect of optical fiber...

Direct free space pump signal mixing for EDFA

Direct optical amplifier correlating average level of main...

Dispersion compensating fiber and optical amplifier using same

Dispersion compensator and optical amplifier

Dispersion-compensated erbium-doped fiber amplifier

Distributed fiber amplifier for solitons

Distributed Raman amplification system

Doped fiber amplifier using bidirectional pumping with pump ligh