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

Data bus for a plurality of nodes

Data bus for a plurality of nodes

Data communications apparatus

Data distribution system and method

Data multiplexing network, wavelength multiplexer, and data...

Data transmission method and data transmission apparatus

Data transmission method in gigabit ethernet passive optical...

Decorrelation of WDM signals

Deflection routing address method for all-optical...

Delay adjustment unit and method, optical network unit, and...

Delivering multicast services on a wavelength division...

Delivering multicast services on a wavelength division...

Delivering multicast services on a wavelength division...

Delivery method and delivery system of contents information,...

Demultiplexer control system

Dense wavelength division multiplexing-passive optical...

Device and method for setting add signal level for OADM system

Device and method of swapping optical labels and reproducing...

Device for applying time-delays to optical signals