High isolation optical switch, isolator or circulator having...

Details High isolation optical switch, isolator or circulator having... High isolation optical switch, isolator or circulator having...

G - Physics

02

F

G02F 1/09 (2006.01) G02B 27/28 (2006.01) G02F 1/21 (2006.01) G02B 6/34 (2006.01)

Patent

CA 2261447

An optical device for controlling the flow of light between ports includes a pair of polarizing devices, which employ frustrated total internal reflection and interference in a thin film coating to reflect p-polarized light and to transmit s-polarized light. Polarization-rotating devices are used to rotate the polarization plane of the s- and p-polarized light beams so as to create optical switches, isolators and circulators using these polarizing devices.

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