D(WDM) communications network employing periodic spectral...

Data transmission method and data transmission apparatus

Decorrelation of WDM signals

Device and method for setting add signal level for OADM system

Device for extracting and inserting optical carriers in...

Device including a saturable absorber for regenerating a...

Diffraction-compensated integrated WDM

Digital optical network architecture

Dispersion compensation apparatus and a dispersion...

Dispersion compensation method in optical communication...

Dispersion compensator

Dispersion compensator, and dispersion compensating method

Dispersion discrimination and compensation system and...

Dispersion-compensating system

Distortion compensation in optically amplified lightwave...

Drive method for a plurality of acousto-optic filters,...

Drop-and-continue device

DWDM laser frequency control

Dynamic add/drop of channels in a...

Dynamic control of the level of degradation of optical...