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Small-sized Mach-Zehnder Interferometer Optical Switch Using Thin Film Ge2Sb2Te5 Phase-change Material

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Abstract

Small-sized Mach-Zehnder Interferometer optical switch using Ge2Sb2Te5 thin films was fabricated. Two thin films of 1-µm-square were sufficient for switching. The switching operation was successfully demonstrated by pulsed laser irradiation.

© 2014 Optical Society of America

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