Abstract
This paper describes the treatment of QND measurement from the view point of the optical communication theory, and obtains the following results:
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1.
The state vector and the wave function for a QND measurement is obtained by using standard quantum theory.
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2.
The QND measurement is modeled by a specific channel in communication theory.
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3.
The effect of QND measurement to the signal light is completely specified by the amplitude gain and the variances of quantum noises of the signal and probe lights.
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© 1991 Springer-Verlag
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Uyematsui, T., Hirota, O., Sakaniwa, K. (1991). Quantum nondemolition measurement in optical communication theory. In: Bendjaballah, C., Hirota, O., Reynaud, S. (eds) Quantum Aspects of Optical Communications. Lecture Notes in Physics, vol 378. Springer, Berlin, Heidelberg. https://doi.org/10.1007/3-540-53862-3_172
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DOI: https://doi.org/10.1007/3-540-53862-3_172
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