Patent · US Active

Integrated optical switches using deuterated liquids for increased bandwidth

US11181694B2 · kind B2 · utility

0Cited by
1References
7Claims
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Key dates

Filing dateFeb 3, 2017
Grant dateNov 23, 2021
Priority date
Expiry dateDec 1, 2038

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG02B2006/12147
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

An electro-wetting optical device includes an optical switch that uses a coupling region proximate a waveguide in a substrate. The device uses two optical liquids, providing first and second refractive indices respectively. At least one of the optical liquids is deuterated. Under a first switching configuration the first optical liquid is positioned at the coupling region so as to provide a first effective refractive index for light propagating along the first waveguide and under a second switching configuration the second optical liquid is positioned at the coupling region so as to provide a second effective refractive index for light propagating along the first waveguide.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.