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Proceedings Paper

Coherent frequency conversion for quantum information processing
Author(s): Stéphane Clemmen
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Paper Abstract

Efficient frequency conversion is crucial for interfacing photons with a variety of quantum systems ranging from matter qubits (color centers, quantum dots, atoms), optical fibers, detectors, that often operate at widely different wavelengths. Frequency conversion is also a resource to process quantum information.1, 2 Parametric processes such as sum frequency generation (SFG) and Bragg scattering four wave mixing (BS-FWM) offer a good versatility for such frequency conversion. It is well understood that those nonlinear processes have to be strong enough and satisfy phase matching to achieve a high conversion efficiency. While it is enough to consider those two aspects for moderate conversion efficiency up to 50%, the analysis is a bit more complicated when targeting efficiencies closely approaching unity. We are reviewing the pitfall that must be avoided to indeed reach near unity frequency transduction.

Paper Details

Date Published: 2 March 2020
PDF: 7 pages
Proc. SPIE 11265, Real-time Measurements, Rogue Phenomena, and Single-Shot Applications V, 112650G (2 March 2020); doi: 10.1117/12.2550159
Show Author Affiliations
Stéphane Clemmen, Univ. Libre de Bruxelles (Belgium)
Ghent Univ.-imec (Belgium)

Published in SPIE Proceedings Vol. 11265:
Real-time Measurements, Rogue Phenomena, and Single-Shot Applications V
Daniel R. Solli; Georg Herink; Serge Bielawski, Editor(s)

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