All optical switch

David Mendlovic (Inventor), Dan M Marom (Inventor)

Research output: Patent


PCT No. PCT/IL96/00079 Sec. 371 Date Feb. 17, 1998 Sec. 102(e) Date Feb. 17, 1998 PCT Filed Aug. 12, 1996 PCT Pub. No. WO97/09536 PCT Pub. Date Mar. 13, 1997An optical switch for switching first and second input beams linearly polarized in the same direction which has a first half wave plate for rotating the polarization optically coupled to the second input beam, the first input beam and the output of the half wave plate input to a first polarization beam displacer which provides a combined beam, the output of which is connected to a controllable half wave gate which in a passive state passes the combined beam gate and in the active state passes the combined beamed rotated by 90 degree to an output Gate in dependence of a controlled signal input to the controllable wave gate. The output of the controllable wave gate is input to a second polarization beam displacer which refracts light into first and second refracted output beams displaced from each other a predetermined distance and a second half wave plate.

Original languageAmerican English
Patent numberUS6041151
IPCG02F 1/ 31 A I
Priority date12/08/96
StatePublished - 21 Mar 2000


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