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24 November 2023 Photon statistics of non-Gaussian entanglement based on two-mode photon-subtracted squeezed vacuum states
Heyu Huang, Hongbin Song, Huayan Wu, Liting Liang, Chaoyuan Wang, Cui Zhang, Ai Zhou
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Proceedings Volume 12935, Fourteenth International Conference on Information Optics and Photonics (CIOP 2023); 1293507 (2023) https://doi.org/10.1117/12.2692416
Event: Fourteenth International Conference on Information Optics and Photonics (CIOP 2023), 2023, Xi’an, China
Abstract
We investigate the photon statistics of two-mode photon-subtracted squeezed vacuum states (TMPSSV), which are important factors to affect the sensitivity and resolution of optical interferometers. The comparison between the photon statistics of TMPSSV and two-mode squeezed vacuum states (TMSV) shows that the non-Gaussian operation has the effect of narrowing the characteristic widths of photon number probability distributions. Different from the super-Poissonian statistical distribution of TMSV, when the initial squeezing parameter is lower, TMPSSV shows a sub-Poissonian statistical distribution which is desirable for enhancing the sensitivity and resolution of interferometers. Therefore, non-Gaussian entanglement based on TMPSSV provides a promising quantum resource for an ultra-sensitivity and super-resolution optical interferometer far beyond the standard quantum limit.
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Heyu Huang, Hongbin Song, Huayan Wu, Liting Liang, Chaoyuan Wang, Cui Zhang, and Ai Zhou "Photon statistics of non-Gaussian entanglement based on two-mode photon-subtracted squeezed vacuum states", Proc. SPIE 12935, Fourteenth International Conference on Information Optics and Photonics (CIOP 2023), 1293507 (24 November 2023); https://doi.org/10.1117/12.2692416
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KEYWORDS
Quantum entanglement
Optical interferometry
Quantum statistics
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