Ultratunable Quantum Frequency Conversion in Photonic Crystal Fiber

K. A.G. Bonsma-Fisher; P. J. Bustard; C. Parry; T. A. Wright; D. G. England; B. J. Sussman; P. J. Mosley

doi:10.1103/PhysRevLett.129.203603

Ultratunable Quantum Frequency Conversion in Photonic Crystal Fiber

K. A.G. Bonsma-Fisher, P. J. Bustard, C. Parry, T. A. Wright, D. G. England, B. J. Sussman, P. J. Mosley

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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.

Original language	English
Article number	203603
Journal	Physical Review Letters
Volume	129
Issue number	20
DOIs	https://doi.org/10.1103/PhysRevLett.129.203603
Publication status	Published - 11 Nov 2022

Funding

This work was supported by by the UK Hub in Quantum Computing and Simulation, part of the UK National Quantum Technologies Programme with funding from UKRI EPSRC Grant No. EP/T001062/1. The authors are grateful for discussions with Khabat Heshami, Aaron Goldberg, Frédéric Bouchard, Kate Fenwick, Guillaume Thekkadath, Yingwen Zhang, Denis Guay, Rune Lausten, Doug Moffatt, and Alex Davis.

ASJC Scopus subject areas

General Physics and Astronomy

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10.1103/PhysRevLett.129.203603

Accepted manuscript
K. A. G. Bonsma-Fisher, P. J. Bustard, C. Parry, T. A. Wright, D. G. England, B. J. Sussman, and P. J. Mosley Phys. Rev. Lett. 129, 203603 – Published 10 November 2022 https://doi.org/10.1103/PhysRevLett.129.203603 © 2022 American Physical Society
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Cite this

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Ultratunable Quantum Frequency Conversion in Photonic Crystal Fiber

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