Coherent quantum frequency bridge: phase preserving, nearly noiseless parametric frequency converter

Ivan A. Burenkov; Y.-H. Cheng; Tim Thomay; Glenn S. Solomon; Alan L. Migdall; Thomas Gerrits; Adriana Lita; Sae Woo Nam; L. Krister Shalm; Sergey V. Polyakov

doi:10.1117/12.2263562

3 May 2017 Coherent quantum frequency bridge: phase preserving, nearly noiseless parametric frequency converter

Ivan A. Burenkov, Y.-H. Cheng, Tim Thomay, Glenn S. Solomon, Alan L. Migdall, Thomas Gerrits, Adriana Lita, Sae Woo Nam, L. Krister Shalm, Sergey V. Polyakov

Author Affiliations +

Proceedings Volume 10212, Advanced Photon Counting Techniques XI; 1021204 (2017) https://doi.org/10.1117/12.2263562
Event: SPIE Commercial + Scientific Sensing and Imaging, 2017, Anaheim, CA, United States

Abstract

We characterize an efficient and nearly-noiseless parametric frequency upconverter. The ultra-low noise regime is reached by the wide spectral separation between the input and pump frequencies and the low pump frequency relative to the input photons. The background of only ≈100 photons per hour is demonstrated. We demonstrate phase preservation in a frequency upconversion process at the single-photon level. We summarize our efforts to measure this ultra-low noise level, and discuss both single-photon avalanche photodiode measurements and a photon-counting transition edge sensor (TES) measurements. To reach the required accuracy, we supplemented our TES with a dark count reduction algorithm. The preservation of the coherence was demonstrated by simultaneously upconverting the input of each arm of a Mach-Zehnder interferometer through high interference fringe contrast. We observe fringe visibilities of ≥0.97 with faint coherent input.

Conference Presentation

Citation Download Citation

Ivan A. Burenkov, Y.-H. Cheng, Tim Thomay, Glenn S. Solomon, Alan L. Migdall, Thomas Gerrits, Adriana Lita, Sae Woo Nam, L. Krister Shalm, and Sergey V. Polyakov "Coherent quantum frequency bridge: phase preserving, nearly noiseless parametric frequency converter", Proc. SPIE 10212, Advanced Photon Counting Techniques XI, 1021204 (3 May 2017); https://doi.org/10.1117/12.2263562

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