Correlation of Matched Electric Fields in Four-Level Atoms via Electromagnetically Induced Transparency
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概要
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We investigated the matching of two continuous fields in a closed four-level system quantum mechanically. When the atomic coherence is prepared in the dressed state by two strong external coupling fields, fluctuations of phase and amplitude between the two probe fields are selectively absorbed, while these fields are mainly transparent in the media. Such selective absorption establishes the phase and amplitude correlation between the two weak probe fields over a wide range of frequencies. However, the correlation remains limited by the standard quantum limit, because of the addition of the anti-phase atomic noise during the four-wave mixing process.
- 社団法人応用物理学会の論文
- 2000-12-01
著者
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KANNARI Fumihiko
Department of Electrical Engineering, Faculty of Science and Technology, Keio University
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Takeoka Masahiro
Department Of Electrical Engineering Keio University
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Kannari Fumihiko
Department Of Electrical Engineering Faculty Of Science And Technology Keio University
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Takeoka Masahiro
Department of Electrical Engineering, Keio University
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