Single-photon frequency combs from cascaded frequency conversion of quantum dot luminescence in photonic crystal fibre

Davis, Alex O.C., Broughton, Alfie, Dyte, Harry, Androvitsaneas, Petros ORCID: https://orcid.org/0000-0001-5013-0282, Woodley, Michael, Murphy, Leah, Olszewski, Mateusz and Bennett, Anthony ORCID: https://orcid.org/0000-0002-5386-3710 2026. Single-photon frequency combs from cascaded frequency conversion of quantum dot luminescence in photonic crystal fibre. Presented at: Quantum 2.0 Conference and Exhibition, Glasgow, UK, 15–18 June 2026. Quantum 2.0 Conference and Exhibition Proceedings. Optica Publishing Group, QM2A.4.

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Abstract

We show coherent nanometer-scale frequency conversion of single photons from an InAs quantum dot by four-wave mixing in microstructured fibre with >89% efficiency. The process can be cascaded, generating a coherent single-photon frequency comb.

Item Type:	Conference or Workshop Item - published (Paper)
Date Type:	Publication
Status:	Published
Schools:	Schools > Engineering
Publisher:	Optica Publishing Group
Last Modified:	12 Oct 2026 11:47
URI:	https://orca.cardiff.ac.uk/id/eprint/190152

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