Assignment of channel colors in optical networks

Asymmetrical PON with multiple return channels

Automatic dispersion compensation device and compensation...

Automatic raman gain and tilt control for...

Band optical add/drop multiplexing

Band optical add/drop multiplexing

Banded semiconductor optical amplifiers and waveblockers

Bandwidth allocation device and dynamic bandwidth allocation...

Bandwidth allocation device and dynamic bandwidth allocation...

Bi-directional cross-connect

Bi-directional long haul/ultra long haul optical...

Bi-directional long haul/ultra long haul optical...

Bi-directional optical add/drop multiplexer for WDM optical...

Bi-directional optical cross-connect device

Bi-directional wavelength division multiplexing self-healing...

Bidirectional add/drop multiplexer

Bidirectional multichannel optical telecommunication system

Bidirectional optical add-drop multiplexer

Bidirectional optical amplifying apparatus and optical gain...

Bidirectional optical networks