Coherent frequency conversion for quantum information processing

Stéphane Clemmen

doi:10.1117/12.2550159

2 March 2020 Coherent frequency conversion for quantum information processing

Stéphane Clemmen

Proceedings Volume 11265, Real-time Measurements, Rogue Phenomena, and Single-Shot Applications V; 112650G (2020) https://doi.org/10.1117/12.2550159
Event: SPIE LASE, 2020, San Francisco, California, United States

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.

Conference Presentation

Citation Download Citation

Stéphane Clemmen "Coherent frequency conversion for quantum information processing", Proc. SPIE 11265, Real-time Measurements, Rogue Phenomena, and Single-Shot Applications V, 112650G (2 March 2020); https://doi.org/10.1117/12.2550159

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