4.6 Article

Silicon waveguide optical switch with embedded phase change material

Journal

OPTICS EXPRESS
Volume 25, Issue 22, Pages 26527-26536

Publisher

OPTICAL SOC AMER
DOI: 10.1364/OE.25.026527

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Funding

  1. National Science Foundation [ECCS1509740]
  2. Div Of Electrical, Commun & Cyber Sys
  3. Directorate For Engineering [1509740] Funding Source: National Science Foundation

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Phase-change materials (PCMs) have emerged as promising active elements in silicon (Si) photonic systems. In this work, we design, fabricate, and characterize a hybrid Si-PCM optical switch. By integrating vanadium dioxide (a PCM) within a Si photonic waveguide, in a non-resonant geometry, we achieve similar to 10 dB broadband optical contrast with a PCM length of 500 nm using thermal actuation. (C) 2017 Optical Society of America

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