A modular, expandable and reconfigurable optical switch

Details A modular, expandable and reconfigurable optical switch A modular, expandable and reconfigurable optical switch

G - Physics

02

F

G02F 1/29 (2006.01) H04L 12/56 (2006.01) H04Q 3/52 (2006.01) H04Q 11/00 (2006.01)

Patent

CA 2310853

A method and apparatus is disclosed for a modular and expandable optical switch that transfers optical signals arriving at a multiplicity of input ports to distinct output ports. A basic switching unit is disclosed that transfers n input optical signals to n distinct output signals under the control of digital electronic signals. Apparatus and methods are disclosed for building said n by n basic switching units using electrooptic wafer beam deflectors. Methods are disclosed for building larger N input by N output optical switches by interconnecting and controlling arrays of basic switching units. Finally, methods are disclosed for building even larger optical switches by using wavelength- division multiplexing and demultiplexing at the input and output ports of an N x N optical switch.

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