Data exchange architecture using optical links

DC WDM device and DC WDM system and transmission network...

Deep fiber network with high speed data and video on demand

Deep fiber network with high speed data and video on demand

Deep fiber network with high speed data and video on demand

Demultiplexer and demultiplexer-receiver

Demultiplexer for wavelength-multiplexed optical signal

Demultiplexer with a square spectral response

Demultiplexer/multiplexer with a controlled variable path...

Dense wavelength division multiplexer which includes a dense...

Dense wavelength division multiplexer which includes a dense...

Dense wavelength division multiplexer/demultiplexer with...

Dense WDM optical multiplexer and demultiplexer

Device and method for minimizing optical channel drift

Device and method for optical performance monitoring in an...

Device for adding and dropping optical signals

Device for coupling and decoupling optical signals of two transm

Device for demultiplexing light paths contained in an...

Device for fault localization in repeaterless transmission syste

Device for multiplexing/demultiplexing and method therewith