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Characterization and shaping of the time-frequency Schmidt mode spectrum of bright twin beams generated in gas-filled hollow-core photonic crystal fibersстатья
Статья опубликована в высокорейтинговом журнале
Информация о цитировании статьи получена из
Web of Science,
Scopus
Статья опубликована в журнале из списка Web of Science и/или Scopus
Дата последнего поиска статьи во внешних источниках: 9 ноября 2017 г.
- Авторы: Finger M.A., Joly N.Y., Russell P.St J, Chekhova M.V.
- Журнал: Physical Review A - Atomic, Molecular, and Optical Physics
- Том: 95
- Номер: 5
- Год издания: 2017
- Издательство: American Physical Society
- Местоположение издательства: United States
- Первая страница: 053814
- DOI: 10.1103/PhysRevA.95.053814
- Аннотация: We vary the time-frequency mode structure of ultrafast pulse-pumped modulational instability (MI) twin beams in an argon-filled hollow-core kagome-style photonic crystal fiber by adjusting the pressure, pump pulse chirp, fiber length, and parametric gain. Compared to solid-core systems, the pressure-dependent dispersion landscape brings increased flexibility to the tailoring of frequency correlations, and we demonstrate that the pump pulse chirp can be used to tune the joint spectrum of femtosecond-pumped χ(3) sources. We also characterize the resulting mode content, not only by measuring the multimode second-order correlation function g(2), but also by directly reconstructing the shapes and weights of time-frequency Schmidt (TFS) modes. We show that the number of modes directly influences the shot-to-shot pulse-energy and spectral-shape fluctuations in MI. Using this approach we control and monitor the number of TFS modes within the range from 1.3 to 4 using only a single fiber.
- Добавил в систему: Чехова Мария Владимировна