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Open Quantum Systems Decoherence
Photonic Quantum Computing
Discrete Diffraction for Spectral Purification in Spontaneous Four Wave Mixing: a Recipe
arXiv
Authors: Philip B. Main, Peter J. Mosley, Andrey V. Gorbach
Year
2019
Paper ID
40048
Status
Preprint
Abstract Read
~2 min
Abstract Words
80
Citations
N/A
Abstract
Linear discrete diffraction of light within a waveguide array allows control over the longitudinal spatial profile of light. We propose a method of using this control to effectively modulate the nonlinearity in a spontaneous four wave mixing system. This allows the removal spurious frequency correlations between the generated signal and idler photon pairs. Weaving our method into a recipe for waveguide design, we demonstrate a spectral purity improvement from P = 0.78 to near saturation at P = 0.97, for a simple silicon-on-insulator geometry.
Why This Paper Matters
- This paper contributes to the Photonic Quantum Computing research area in the Quantum Articles archive.
- It adds a 2019 reference point for readers tracking recent quantum research.
- Linear discrete diffraction of light within a waveguide array allows control over the longitudinal spatial profile of light.
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