【10/4更新】2022年4月1日からのCiNii ArticlesのCiNii Researchへの統合について

Realization of number-phase minimum-uncertainty states and number states by quantum nondemolition measurement

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type:学術雑誌論文 Journal Article

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Number-phase minimum uncertainty states and number states are shown to be realized by quantum nondemolition measurements of the photon number. Interphase modulation in a Kerr medium establishes a quantum-mechanical correlation between the signal and probe waves initially in coherent states. State reduction is realized by homodyne detection of a probe quadrature-phase amplitude. The number uncertainty can be arbitrarily reduced by increasing the probe intensity. The minimum uncertainty relation between the number and sine operators approximately holds until a near-number state is realized.

収録刊行物

  • Physical Review A

    Physical Review A 35 (12), 5270-5273, 1987-06-01

    American Physical Society

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