Apparatus for transferring monitor signals in photo-transfer...

Determination of the amplified spontaneous emission in an...

Gain monitoring method for optical amplifier and apparatus...

Gain setting method in wavelength division multiplex...

Gain setting method in wavelength division multiplex...

Method and apparatus for reducing crosstalk between a...

Method of simple control and management of reconfigurable...

Monitoring distributed gain in an optical transmission system

Optical node device, network control device,...

Optical performance monitoring for D/WDM networks

Optical repeating system and optical amplifying repeater...

Optical repeating system and optical amplifying repeater...

Optical transmission apparatus and optical transmission...

Optical transmission system

Optical transmission system

Optical transmission system for substantially equalizing the...

Optical transmission system having noise-elimination function

Optical transmission system in which gains in gain bands are...

Optical wavelength multiplexing transmission apparatus and...

Optical wavelength multiplexing transmission apparatus and...