Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
November 5, 2019
Patent Application Number
15833274
Date Filed
December 6, 2017
Patent Citations Received
Patent Primary Examiner
Patent abstract
The invention provides an apparatus for optical integrated on-chip generation of photon pairs as a building block to create entangled photon states required for quantum information processing. The invention provided a frequency selective optical coupling device which controls the transmission of light by varying the relative dimensions of otherwise symmetrical linear optical waveguides tangential to an annular optical waveguide, thereby controlling the coupling of light between the linear optical waveguides and the annular optical waveguide. Dimensional change of the optical waveguides is achieved by a heated medium in proximity of the optical waveguides and under electronic control.
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