Optical switching device

Details Optical switching device Optical switching device

G - Physics

02

F

G02F 1/29 (2006.01) G02F 1/35 (2006.01) G02F 1/09 (2006.01)

Patent

CA 2311846

An optical switching device for controlling an optical signal is disclosed. The optical switching device is in the form of an optical loop, the loop having two ports for launching or receiving light. A switching element is interposed within the loop for selectively launching light to one of the two ports. The switching element has a polarization rotating element for rotating the polarization of light incident thereon and a wavelength dependent filter disposed to bypass the polarization rotating element or direct a signal propagating within the loop through the polarization rotating element in dependence upon wavelength.

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