Packaged optical wavelength selector and optical gate for...

Details Packaged optical wavelength selector and optical gate for... Packaged optical wavelength selector and optical gate for...

H - Electricity

04

B

H04B 10/20 (2006.01) G02B 6/12 (2006.01) G02B 6/34 (2006.01) H04J 14/02 (2006.01)

Patent

CA 2346518

A gate for an optical signal having a waveguide which can be coupled to a source of optical signals, where the waveguide comprises a cladding surrounding a core. A gate material is provided which is sized, shaped and positioned outside of the core such that an optical signal passing along the core interacts with said gate material. A source of power stimulates the gate material and the power source is switchable between on and off. The optical signal is attenuated by interacting with said gate material when the power is off and amplified by interacting with said gate material when the power is on. In one embodiment the gate is packaged into a planar light circuit having a multiplexer/ demultiplexer at either end and a gate region including a plurality of gates. A method of forming such a device is also shown.

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