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Cavity-induced anticorrelated photon-emission rates of a single ion

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posted on 2023-06-09, 07:41 authored by Hiroki TakahashiHiroki Takahashi, Ezra Kassa, Costas Marios Christoforou, Matthias KellerMatthias Keller
We report on the alteration of photon emission properties of a single trapped ion coupled to a high finesse optical fiber cavity. We show that the vacuum field of the cavity can simultaneously affect the emissions in both the infrared (IR) and ultraviolet (UV) branches of the ?-type level system of 40Ca+ despite the cavity coupling only to the IR transition. The cavity induces strong emission in the IR transition through the Purcell effect resulting in a simultaneous suppression of the UV fluorescence. The measured suppression of this fluorescence is as large as 66% compared with the case without the cavity. Through analysis of the measurement results, we have obtained an ion-cavity coupling of gbar0 = 2p · (5.3 ± 0.1) MHz, the largest ever reported so far for a single ion in the IR domain.

Funding

UK Quantum Technology Hub: NQIT-Networked Quantum Information Technologies; G1503; EPSRC-ENGINEERING & PHYSICAL SCIENCES RESEARCH COUNCIL; EP/M013243/1

History

Publication status

  • Published

File Version

  • Accepted version

Journal

Physical Review A

ISSN

2469-9926

Publisher

APS

Issue

2

Volume

96

Department affiliated with

  • Physics and Astronomy Publications

Notes

Dataset: http://sro.sussex.ac.uk/68272/

Full text available

  • Yes

Peer reviewed?

  • Yes

Legacy Posted Date

2017-08-25

First Open Access (FOA) Date

2017-08-31

First Compliant Deposit (FCD) Date

2017-08-31

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