ITO-Based Microheaters for Reversible Multi-Stage Switching of Phase-Change Materials: Towards Miniaturized Beyond-Binary Reconfigurable Integrated Photonics

20 Mar 2020 Taghinejad Hossein Abdollahramezani Sajjad Eftekhar Ali A. Fan Tianren Hosseinnia Amir H. Hemmatyar Omid Dorche Ali Eshaghian Gallmon Alexander Adibi Ali

Inducing a large refractive-index change is the holy grail of reconfigurable photonic structures, a goal that has long been the driving force behind the discovery of new optical material platforms. Recently, the unprecedentedly large refractive-index contrast between the amorphous and crystalline states of Ge-Sb-Te (GST)-based phase-change materials (PCMs) has attracted tremendous attention for reconfigurable integrated nanophotonics... (read more)

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