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Quantum Nondemolition Measurements for Phonons by Using Squeezing Stokes Light |
CHAI Jin-hua;GUO Guang-can |
Department of Physics, and Nonlinear Science Center, University of Science and Technology of China, Hefei 230026
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Cite this article: |
CHAI Jin-hua, GUO Guang-can 1997 Chin. Phys. Lett. 14 524-527 |
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Abstract A scheme of quantum nondemolition (QND) measurement is proposed for phonons in a Raman-active crystal by using a beam of squeezed Stokes light. The results of the theoretical calculation show that the QND measurements for the quadrature component of the phonons can be performed.
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Keywords:
42.50.Dv
42.65.Ky
43.35.+d
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Published: 01 July 1997
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PACS: |
42.50.Dv
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(Quantum state engineering and measurements)
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42.65.Ky
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(Frequency conversion; harmonic generation, including higher-order harmonic generation)
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43.35.+d
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(Ultrasonics, quantum acoustics, and physical effects of sound)
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