Detection of data transmission rates using passing...

Device and method for optical supervisory channel framing in...

Device for integrating demultiplexing and optical channel...

Device for monitoring the quality of an optical signal by...

Digital performance monitoring for an optical communications...

Dispersion monitoring method and apparatus and dispersion...

Distortion measurement in optical communication systems

DWDM system with IP telephony provisioning at remote locations

Dynamic measurement of and compensation for impairments to...

Dynamically reconfigurable optical smart node

Efficient and simple bit error rate calculation on optical...

Efficient use of trusted third parties for additional...

Error mitigation system using line coding for optical WDM...

Extinction ratio determination using duty cycle modulation

Fiber optic communication system with automatic line...

First and second derivative processing of wavelength...

Flexible open ring optical network and method

High loss loop back for long repeater span

Integrated optical communication and range finding system...

Link connectivity verification method