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Voltage-switchable Bragg reflector for planar optical waveguides

DOI to cite this document:
Frank, W. R. ; Govorov, A. O. ; Wegscheider, Werner ; Karrai, K. ; Kotthaus, J. P.
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Date of publication of this fulltext: 14 Dec 2009 13:10


We present an experimental realization of a voltage-switchable in-plane Bragg reflector for planar waveguides. The device is based on the quantum confined Stark effect induced by an interdigitated gate in a multi-quantum well that is located in the core of the planar waveguide. Aspects of the sample preparation and room-temperature measurements are discussed.

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