电邮这篇文章 Analysis of Schmidt modes of ultra-broadband biphotons generated in a photonic crystal fiber
- 作者: Smirnov M.А.1, Smirnova A.М.1, Khairullin A.F.1, Ermishev O.А.1, Moiseev S.A.1
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隶属关系:
- Kazan National Research Technical University
- 期: 卷 88, 编号 12 (2024)
- 页面: 1946-1950
- 栏目: Nanooptics, photonics and coherent spectroscopy
- URL: https://journal-vniispk.ru/0367-6765/article/view/286540
- DOI: https://doi.org/10.31857/S0367676524120165
- EDN: https://elibrary.ru/EVKVAO
- ID: 286540
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We presented numerical estimates of the degree of quantum entanglement based on Schmidt mode analysis for ultra-broadband biphotonic states generated in a photonic crystal fiber. We show that these states have a high degree of quantum entanglement even when the source is pumped broadband by femtosecond laser pulses.
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作者简介
M. Smirnov
Kazan National Research Technical University
编辑信件的主要联系方式.
Email: maxim@kazanqc.org
Kazan Quantum Center
俄罗斯联邦, KazanA. Smirnova
Kazan National Research Technical University
Email: maxim@kazanqc.org
Kazan Quantum Center
俄罗斯联邦, KazanA. Khairullin
Kazan National Research Technical University
Email: maxim@kazanqc.org
Kazan Quantum Center
俄罗斯联邦, KazanO. Ermishev
Kazan National Research Technical University
Email: maxim@kazanqc.org
Kazan Quantum Center
俄罗斯联邦, KazanS. Moiseev
Kazan National Research Technical University
Email: maxim@kazanqc.org
Kazan Quantum Center
俄罗斯联邦, Kazan参考
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Fig. 1. Schematic diagram of biphoton generation in an optical fiber with nonlinear susceptibility χ(3) (a). Schematic representation of the function of the joint spectral intensity of the generated photons, K is the Schmidt parameter (b). Energy diagram of the spontaneous four-wave mixing process, in which two pump photons are transformed into two daughter photons at other frequencies (c).
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Fig. 2. Joint spectral intensity |F(ωs, ωi)|2 and the corresponding distributions of the Schmidt mode coefficients for different values of pump wavelengths near the phase matching extremum point: λp = 751 (a, b), 752 nm (c, d).
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