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Fast 2 x 2 Mach-Zehnder optical space switches using InGaAsP-InP multiquantum-well structures

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7 Author(s)
Agrawal, N. ; Heinrich-Hertz-Inst. fur Nachrichtentech. Berlin GmbH, Germany ; Weinert, C.M. ; Ehrke, H.-J. ; Mekonnen, G.G.
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We report fast 2/spl times/2 Mach-Zehnder optical space switches by using quantum confined Stark effect in InGaAsP-InP multiquantum-well structures that are ultracompact, require low voltages, and employ a simple RF drive with RC time-constant limited lumped electrodes. Cut-off frequencies in excess of 10 GHz are observed suitable for a variety of fast optical switching applications.<>

Published in:

Photonics Technology Letters, IEEE  (Volume:7 ,  Issue: 6 )