Ultratunable quantum frequency conversion in photonic crystal fiber

DOI	Resolve DOI: https://doi.org/10.1103/PhysRevLett.129.203603
Author	Search for: Bonsma-Fisher, K. A. G.¹ORCID identifier: https://orcid.org/0000-0002-5581-8892; Search for: Bustard, P. J.¹ORCID identifier: https://orcid.org/0000-0002-5417-5389; Search for: Parry, C.; Search for: Wright, T. A.ORCID identifier: https://orcid.org/0000-0002-7955-5679; Search for: England, D. G.¹ORCID identifier: https://orcid.org/0000-0002-9101-6897; Search for: Sussman, B. J.¹ORCID identifier: https://orcid.org/0000-0002-0059-3358; Search for: Mosley, P. J.
Affiliation	National Research Council Canada. Security and Disruptive Technologies
Funder	Search for: Engineering and Physical Sciences Research Council
Format	Text, Article
Abstract	Quantum frequency conversion of single photons between wavelength bands is a key enabler to realizing widespread quantum networks. We demonstrate the quantum frequency conversion of a heralded 1551 nm photon to any wavelength within an ultrabroad (1226–1408 nm) range in a group-velocity-symmetric photonic crystal fiber, covering over 150 independent frequency bins. The target wavelength is controlled by tuning only a single pump laser wavelength. We find internal, and total, conversion efficiencies of 12(1)% and 1.4(2)%, respectively. For the case of converting 1551 to 1300 nm we measure a heralded 𝑔⁽²⁾⁡(0)=0.25⁢(6) for converted light from an input with 𝑔⁽²⁾⁡(0)=0.034⁢(8). We expect that this photonic crystal fiber can be used for myriad quantum networking tasks.
Publication date	2022-11-10
Publisher	American Physical Society
In	Physical Review Letters 129, no. 20, 203603 (10 November 2022).
Language	English
Peer reviewed	Yes
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Record identifier	eacc64c9-6088-4d73-9d5d-7b81bbb58932
Record created	2024-02-06
Record modified	2024-12-06

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