Thermal bistability through coupled photonic resonances

Chinmay Khandekar, Alejandro W. Rodriguez

Research output: Contribution to journalArticle

3 Scopus citations

Abstract

We present a scheme for achieving thermal bistability based on the selective coupling of three optical resonances. This approach requires one of the resonant frequencies to be temperature dependent, which can occur in materials exhibiting strong thermo-optic effects. For illustration, we explore thermal bistability in two different passive systems, involving either a periodic array of Si ring resonators or parallel GaAs thin films separated by vacuum and exchanging heat in the near field. Such a scheme could prove to be useful for thermal devices operating with transition times on the order of hundreds of milliseconds.

Original languageEnglish (US)
Article number083104
JournalApplied Physics Letters
Volume111
Issue number8
DOIs
StatePublished - Aug 21 2017

All Science Journal Classification (ASJC) codes

  • Physics and Astronomy (miscellaneous)

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