Enhancing Photon Indistinguishability of Spectrally Mismatched Single Photons by Cavity Floquet Engineering
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arXiv
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| Auteurs principaux: | , , , , , , , , |
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| Format: | Preprint |
| Publié: |
2025
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| _version_ | 1866909674755850240 |
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| author | Yu, J. W. Zhou, X. Q. Ni, Z. B. Cheng, X. T. Zhao, Y. Zhu, H. H. Li, C. H. Liu, F. Jin, C. Y. |
| author_facet | Yu, J. W. Zhou, X. Q. Ni, Z. B. Cheng, X. T. Zhao, Y. Zhu, H. H. Li, C. H. Liu, F. Jin, C. Y. |
| contents | We theoretically propose a scheme to enhance the photon indistinguishability of spectrally mismatched single photons via Floquet-engineered optical frequency combs (OFCs) in cavity quantum electrodynamic systems. By periodically modulating two distinct single-photon states under a modulation frequency which is exactly equal to the spectral mismatch of two cavity modes, a pair of single-photon frequency-comb (SPFC) states is prepared energy-conservatively based on full unitary operations. The two states show high indistinguishability with an ideal $g^{(2)}_\mathrm{HOM}(0)$ down to zero due to the superposition of intensity-matched single-photon states coherently distributed across the teeth of the combs. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2507_02460 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Enhancing Photon Indistinguishability of Spectrally Mismatched Single Photons by Cavity Floquet Engineering Yu, J. W. Zhou, X. Q. Ni, Z. B. Cheng, X. T. Zhao, Y. Zhu, H. H. Li, C. H. Liu, F. Jin, C. Y. Quantum Physics We theoretically propose a scheme to enhance the photon indistinguishability of spectrally mismatched single photons via Floquet-engineered optical frequency combs (OFCs) in cavity quantum electrodynamic systems. By periodically modulating two distinct single-photon states under a modulation frequency which is exactly equal to the spectral mismatch of two cavity modes, a pair of single-photon frequency-comb (SPFC) states is prepared energy-conservatively based on full unitary operations. The two states show high indistinguishability with an ideal $g^{(2)}_\mathrm{HOM}(0)$ down to zero due to the superposition of intensity-matched single-photon states coherently distributed across the teeth of the combs. |
| title | Enhancing Photon Indistinguishability of Spectrally Mismatched Single Photons by Cavity Floquet Engineering |
| topic | Quantum Physics |
| url | https://arxiv.org/abs/2507.02460 |