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Push-pull fused vertical coupler switch

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4 Author(s)
Liu, Bin ; Dept. of Electr. & Comput. Eng., California Univ., Santa Barbara, CA, USA ; Shakouri, Ali ; Abraham, P. ; Bowers, J.E.

A single-electrode push-pull fused vertical coupler (PVC) switch using macroscopic crystal inversion symmetry is demonstrated. The anisotropic linear electrooptic effect in a zinc-blende crystal is used to achieve optical switching under 12-V reverse bias for a 6.9-mm-long FVC whose two guiding layers have different crystal symmetries. No switching is observed for the identical structure in which the two guiding layers have the same crystal symmetry.

Published in:

Photonics Technology Letters, IEEE  (Volume:11 ,  Issue: 6 )