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Interdiffusion contributions in optimized surface-acoustic-wave quantum-well modulators

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3 Author(s)
Choy, W.Ch. ; Sch. of Electron. Eng., Surrey Univ., Guildford, UK ; Li, E.H. ; Weiss, Bernard L.

A theoretical study of an electro-absorption AlGaAs-GaAs DFQW modulator using SAW QW interactions is optimized so that it makes use of both the steeper potential at the device surface for modulation and a low power SAW. Therefore, the fabrication of the interdigital transducer which is used to launch the SAW, can be simplified and the device can be realized more easily. The non-uniform feature of the SAW induced potential is also taken into account in optimizing the device structure

Published in:

Lasers and Electro-Optics Society Annual Meeting, 1998. LEOS '98. IEEE  (Volume:2 )

Date of Conference:

3-4 Dec 1998