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Integrated optical switches in silicon based on SiGe-waveguides

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3 Author(s)
Fischer, U. ; Inst. fuer Hochfrequenztech., Tech. Univ. Berlin., Germany ; Schÿppert, B. ; Petermann, K.

The realization of switches in silicon base on monomode Ge-indiffused SiGe waveguides is reported. At a wavelength of 1.3 mu m a Mach-Zehnder interferometer switch with a modulation depth of -10 dB at a current of 150 mA is obtained. This is the lowest value reported so far for single-mode optical switches in silicon.<>

Published in:

Photonics Technology Letters, IEEE  (Volume:5 ,  Issue: 7 )