High isolation wavelength division devices

High reflection isolation optical devices and the method for...

High-order Bragg fiber dispersion correction

High-speed wavelength selectable optical source and method...

Hybrid optical add/drop multiplexing devices

Identification of polarization-mode dispersion on a...

Identification of related communications channels in a...

Inline repeater and optical fiber communication system

Integrated optical service channel and quantum key...

Integrated reconfigurable optical add/drop multiplexer

Interference-based DWDM optical interleaver using beam...

Interleaved bidirectional WDM channel plan

Intra-channel equalizing optical interleaver

Level adjustment method and wavelength division multiplexing...

Light branching/inserting apparatus and light branching...

Lightpath segmentation system and method in a generalized...

Long reach optical network

Low loss WDM add drop node

Low-cost WDM terminal device accommodating plurality of...

Mapping a client signal into transport frames