Hoffman & Baron, LLP
Method for improving the performance of phase-modulated communication systems in an optical network
A method and system for improving the performance of a differential-phase modulated optical communication system is disclosed. The system comprises a demodulator having a tunable element to adjust the free-spectral range (FSR) thereof, and a tunable phase shifter to adjust a frequency of a signal passing therethrough.
AT&T Intellectual Property II, LLP
H
H04B
inventional
Xiang Guodong
Zhou Zhang