Method and apparatus for monitoring an optical WDM network

Method and apparatus for monitoring WDM optical signal

Method and apparatus for multi-protocol and multi-rate...

Method and apparatus for optical network administration

Method and apparatus for optical signal and noise analysis...

Method and apparatus for path selection and wavelength...

Method and apparatus for providing controlled impairments to...

Method and apparatus for rapidly measuring optical...

Method and apparatus for sampled optical signal monitoring

Method and apparatus for testing an optical component

Method and apparatus for validating a path through a...

Method and arrangements for determining the optical...

Method and device for data-flow protection of optical...

Method and device for evaluating and improving the quality...

Method and system for automatic initialization of an optical...

Method and system for automatically setting gain for an...

Method and system for compensating for side effects of cross...

Method and system for coordinating and utilizing channel...

Method and system for detecting network elements in an...

Method and system for encoding optical communication...