Optical frame timing recovery in a time-multiplexed wavelength-division-multiplexing ring network

We demonstrate optical frame timing recovery in a three-node time-multiplexed wavelength-division-multiplexing (T-WDM) ring network. Bit-error-rate performance indicates no significant degradation is introduced by optically recovered frame timing or switching operation based on it. The T-WDM ring network also demonstrates that utilizing network structures in conjunction with optical techniques can provide advanced network signaling and control functions such as addressing and grooming. (C) 2006 Optical Society of America.