Cavity-enhanced photon indistinguishability at room temperature and telecom wavelengths
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arXiv
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| Main Authors: | , , , , , , , , , , , , |
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| Format: | Preprint |
| Published: |
2024
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| _version_ | 1866929342232133632 |
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| author | Husel, Lukas Trapp, Julian Scherzer, Johannes Wu, Xiaojian Wang, Peng Fortner, Jacob Nutz, Manuel Hümmer, Thomas Polovnikov, Borislav Förg, Michael Hunger, David Wang, YuHuang Högele, Alexander |
| author_facet | Husel, Lukas Trapp, Julian Scherzer, Johannes Wu, Xiaojian Wang, Peng Fortner, Jacob Nutz, Manuel Hümmer, Thomas Polovnikov, Borislav Förg, Michael Hunger, David Wang, YuHuang Högele, Alexander |
| contents | Indistinguishable single photons in the telecom-bandwidth of optical fibers are indispensable for long-distance quantum communication. Solid-state single photon emitters have achieved excellent performance in key benchmarks, however, the demonstration of indistinguishability at room-temperature remains a major challenge. Here, we report room-temperature photon indistinguishability at telecom wavelengths from individual nanotube defects in a fiber-based microcavity operated in the regime of incoherent good cavity-coupling. The efficiency of the coupled system outperforms spectral or temporal filtering, and the photon indistinguishability is increased by more than two orders of magnitude compared to the free-space limit. Our results highlight a promising strategy to attain optimized non-classical light sources. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2405_08091 |
| institution | arXiv |
| publishDate | 2024 |
| record_format | arxiv |
| spellingShingle | Cavity-enhanced photon indistinguishability at room temperature and telecom wavelengths Husel, Lukas Trapp, Julian Scherzer, Johannes Wu, Xiaojian Wang, Peng Fortner, Jacob Nutz, Manuel Hümmer, Thomas Polovnikov, Borislav Förg, Michael Hunger, David Wang, YuHuang Högele, Alexander Mesoscale and Nanoscale Physics Quantum Physics Indistinguishable single photons in the telecom-bandwidth of optical fibers are indispensable for long-distance quantum communication. Solid-state single photon emitters have achieved excellent performance in key benchmarks, however, the demonstration of indistinguishability at room-temperature remains a major challenge. Here, we report room-temperature photon indistinguishability at telecom wavelengths from individual nanotube defects in a fiber-based microcavity operated in the regime of incoherent good cavity-coupling. The efficiency of the coupled system outperforms spectral or temporal filtering, and the photon indistinguishability is increased by more than two orders of magnitude compared to the free-space limit. Our results highlight a promising strategy to attain optimized non-classical light sources. |
| title | Cavity-enhanced photon indistinguishability at room temperature and telecom wavelengths |
| topic | Mesoscale and Nanoscale Physics Quantum Physics |
| url | https://arxiv.org/abs/2405.08091 |