Fast optical switch

Details Fast optical switch Fast optical switch

H - Electricity

04

Q

H04Q 3/52 (2006.01) G02F 2/02 (2006.01) H04J 14/00 (2006.01) H04Q 11/00 (2006.01)

Patent

CA 2425032

A fast optical switch is needed to realize an economical and scaleable optical- core network. In the disclosed optical switch, switching is effected by rapid wavelength conversion. Either channel switching, Time Division Multiplex (TDM) switching or both may be provided by the fast optical switch. The operation of the fast optical switch is enabled by a fast scheduler. The throughput of the optical switch may be increased through a process of bimodal pipelined connectian- packing. An in-band exchange of control signals with external nodes may serve to minimize the control overhead. Such control signals may include time-locking signals and connection-requests. A modular structure may be configured to comprise several fast optical switches to yield a high-speed, high-capacity, fully-connected optical switch.

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