Мақаланы E-mail арқылы жіберу Analysis of Schmidt modes of ultra-broadband biphotons generated in a photonic crystal fiber
- Авторлар: Smirnov M.А.1, Smirnova A.М.1, Khairullin A.F.1, Ermishev O.А.1, Moiseev S.A.1
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Мекемелер:
- Kazan National Research Technical University
- Шығарылым: Том 88, № 12 (2024)
- Беттер: 1946-1950
- Бөлім: Nanooptics, photonics and coherent spectroscopy
- URL: https://journals.rcsi.science/0367-6765/article/view/286540
- DOI: https://doi.org/10.31857/S0367676524120165
- EDN: https://elibrary.ru/EVKVAO
- ID: 286540
Дәйексөз келтіру
Ашық рұқсат
Рұқсат берілді
Аннотация
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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Толық мәтін
Авторлар туралы
M. Smirnov
Kazan National Research Technical University
Хат алмасуға жауапты Автор.
Email: maxim@kazanqc.org
Kazan Quantum Center
Ресей, KazanA. Smirnova
Kazan National Research Technical University
Email: maxim@kazanqc.org
Kazan Quantum Center
Ресей, KazanA. Khairullin
Kazan National Research Technical University
Email: maxim@kazanqc.org
Kazan Quantum Center
Ресей, KazanO. Ermishev
Kazan National Research Technical University
Email: maxim@kazanqc.org
Kazan Quantum Center
Ресей, KazanS. Moiseev
Kazan National Research Technical University
Email: maxim@kazanqc.org
Kazan Quantum Center
Ресей, KazanӘдебиет тізімі
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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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