Pushing Purcell enhancement beyond its limits
Purcell-enhanced photon emission into a cavity is at the heart of many schemes for interfacing quantum states of light and matter. We show that the intra-cavity coupling of orthogonal polarisation modes in a birefringent cavity allows for the emitter and photon to be decoupled prior to emission from...
| Main Authors: | , , |
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| Format: | Article |
| Language: | English |
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IOP Publishing
2020-01-01
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| Series: | New Journal of Physics |
| Subjects: | |
| Online Access: | https://doi.org/10.1088/1367-2630/ab8ab0 |
| _version_ | 1797750217716531200 |
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| author | Thomas D Barrett Thomas H Doherty Axel Kuhn |
| author_facet | Thomas D Barrett Thomas H Doherty Axel Kuhn |
| author_sort | Thomas D Barrett |
| collection | DOAJ |
| description | Purcell-enhanced photon emission into a cavity is at the heart of many schemes for interfacing quantum states of light and matter. We show that the intra-cavity coupling of orthogonal polarisation modes in a birefringent cavity allows for the emitter and photon to be decoupled prior to emission from the cavity mode, enabling photon extraction efficiencies that exceed the, previously considered fundamental, limits of Purcell enhancement. Tailored cavity birefringence is seen to mitigate the tradeoff between stronger emitter-cavity coupling and efficient photon extraction, providing significant advantages over single-mode cavities. We then generalise this approach to show that engineered coupling between states of the emitter can equivalently ‘hide’ the emitter from the photon, ultimately allowing the extraction efficiency to approach its fundamental upper limit. The principles proposed in this work can be applied in multiple ways to any emitter-cavity system, paving the way to surpassing the traditional limitations with technologies that exist today. |
| first_indexed | 2024-03-12T16:29:26Z |
| format | Article |
| id | doaj.art-63b880a4151845189a20dcaa2d4d5934 |
| institution | Directory Open Access Journal |
| issn | 1367-2630 |
| language | English |
| last_indexed | 2024-03-12T16:29:26Z |
| publishDate | 2020-01-01 |
| publisher | IOP Publishing |
| record_format | Article |
| series | New Journal of Physics |
| spelling | doaj.art-63b880a4151845189a20dcaa2d4d59342023-08-08T15:33:51ZengIOP PublishingNew Journal of Physics1367-26302020-01-0122606301310.1088/1367-2630/ab8ab0Pushing Purcell enhancement beyond its limitsThomas D Barrett0https://orcid.org/0000-0001-6241-3028Thomas H Doherty1Axel Kuhn2University of Oxford , Clarendon Laboratory, Parks Road, Oxford OX1 3PU, United KingdomUniversity of Oxford , Clarendon Laboratory, Parks Road, Oxford OX1 3PU, United KingdomUniversity of Oxford , Clarendon Laboratory, Parks Road, Oxford OX1 3PU, United KingdomPurcell-enhanced photon emission into a cavity is at the heart of many schemes for interfacing quantum states of light and matter. We show that the intra-cavity coupling of orthogonal polarisation modes in a birefringent cavity allows for the emitter and photon to be decoupled prior to emission from the cavity mode, enabling photon extraction efficiencies that exceed the, previously considered fundamental, limits of Purcell enhancement. Tailored cavity birefringence is seen to mitigate the tradeoff between stronger emitter-cavity coupling and efficient photon extraction, providing significant advantages over single-mode cavities. We then generalise this approach to show that engineered coupling between states of the emitter can equivalently ‘hide’ the emitter from the photon, ultimately allowing the extraction efficiency to approach its fundamental upper limit. The principles proposed in this work can be applied in multiple ways to any emitter-cavity system, paving the way to surpassing the traditional limitations with technologies that exist today.https://doi.org/10.1088/1367-2630/ab8ab0cavity-QEDbirefringencesingle photonsPurcell enhancementatom-light interactions |
| spellingShingle | Thomas D Barrett Thomas H Doherty Axel Kuhn Pushing Purcell enhancement beyond its limits New Journal of Physics cavity-QED birefringence single photons Purcell enhancement atom-light interactions |
| title | Pushing Purcell enhancement beyond its limits |
| title_full | Pushing Purcell enhancement beyond its limits |
| title_fullStr | Pushing Purcell enhancement beyond its limits |
| title_full_unstemmed | Pushing Purcell enhancement beyond its limits |
| title_short | Pushing Purcell enhancement beyond its limits |
| title_sort | pushing purcell enhancement beyond its limits |
| topic | cavity-QED birefringence single photons Purcell enhancement atom-light interactions |
| url | https://doi.org/10.1088/1367-2630/ab8ab0 |
| work_keys_str_mv | AT thomasdbarrett pushingpurcellenhancementbeyonditslimits AT thomashdoherty pushingpurcellenhancementbeyonditslimits AT axelkuhn pushingpurcellenhancementbeyonditslimits |