Cancellation of optical signal reflections in bi-directional...

Carrier class DWDM optical network audit tool

Channel allocation method in multirate WDM system

Channel balancing algorithm

Channel identification in communications networks

Channel identification in communications networks

Channel identification in communications networks

Channel mask definition for monitoring wavelength division...

Chromatic-dispersion measuring apparatus and method

Circuit for measurement of the signal quality in digital...

Communication link with non-intrusive expansion capability

Communication network design with wavelength converters

Communication network, wavelength division multiplex...

Communication path impairment detection for duplex optic...

Communication system

Communications test receiver

Compact optical performance monitor

Configurable multi-rate optical network port and processing...

Connection verification for all-optical cross-connects by...

Connection verification for optical switches