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Nonlinear interaction of two photons with a one-dimensional atom: Spatiotemporal quantum coherence in the emitted field

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タイトル: Nonlinear interaction of two photons with a one-dimensional atom: Spatiotemporal quantum coherence in the emitted field
著者: Kojima, Kunihiro 著作を一覧する
Hofmann, Holger F. 著作を一覧する
Takeuchi, Shigeki 著作を一覧する
Sasaki, Keiji 著作を一覧する
発行日: 2003年 7月 2日
出版者: American Physical Society
誌名: Physical Review A
巻: 68
開始ページ: 013803
出版社 DOI: 10.1103/PhysRevA.68.013803
抄録: The nonlinear photon-photon interaction mediated by a single two-level atom is studied theoretically based on a one-dimensional model of the field-atom interaction. This model allows us to determine the effects of an atomic nonlinearity on the spatiotemporal coherence of a two-photon state. Specifically, the complete two-photon output wave function can be obtained for any two-photon input wave function. It is shown that the quantum interference between the components of the output state associated with different interaction processes causes bunching and antibunching in the two-photon statistics. This theory may be useful for various applications in photon manipulation, e.g., quantum information processing using photonic qubits, quantum nondemolition measurements, and the generation of entangled photons.
Rights: Copyright © 2003 American Physical Society
Relation (URI): http://www.aps.org/
資料タイプ: article
URI: http://hdl.handle.net/2115/5554
出現コレクション:雑誌発表論文等 (Peer-reviewed Journal Articles, etc)

提供者: 竹内 繁樹

 

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