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Optical response of two-level atoms with reflection geometry as a model of a quantum phase gate

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タイトル: Optical response of two-level atoms with reflection geometry as a model of a quantum phase gate
著者: Oka, Hisaki 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: 2005年 7月20日
出版者: American Physical Society
誌名: Physical Review A
巻: 72
開始ページ: 013816
出版社 DOI: 10.1103/PhysRevA.72.013816
抄録: The nonlinear optical response obtained from a model system of a quantum phase gate is investigated. The model system consists of a thin infinite atomic layer of two-level atoms placed in front of a perfect reflecting mirror. The optical response obtained from the model system is semiclassically analyzed using the finite difference time domain method with the optical Bloch equations. It is shown that a nonlinear phase shift of π is achieved when the atomic layer is placed at an antinode of the input field. This result is consistent with the theoretical result obtained from a one- dimensional atom model [H. F. Hofmann, K. Kojima, S. Takeuchi, and K. Sasaki, J. Opt. B: Quantum Semiclassical Opt. 5, 218 (2003)]. The dependence of the nonlinear phase shift on the position of the atomic layer is also studied in detail.
Rights: Copyright © 2005 American Physical Society
Relation (URI): http://www.aps.org/
資料タイプ: article
URI: http://hdl.handle.net/2115/5561
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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