Journal
IEEE PHOTONICS TECHNOLOGY LETTERS
Volume 16, Issue 9, Pages 2039-2041Publisher
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/LPT.2004.833896
Keywords
integrated optics; optical switches; optical waveguides; silicon-on-insulator (SOI) technology; thermooptic (TO) effects
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We have demonstrated both rise and fall times below 1 mus with 10%-90% modulation in a silicon-on-insulator thermooptical Mach-Zehnder switch. The switch is based on 9-mum-thick and 10-mum-wide single-mode rib waveguides. Very fast switching was achieved by using a differential control method. The switch was driven with a digital signal processor accompanied by simple electronic circuitry.
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