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Theoretical analysis and experimental scheme of QND measurement for intensity difference fluctuations |
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| Authors: | Hong Su Weijun Zhang Shixing Wang |
| Affiliation: | a Anhui Institute of Optics and Fine Mechanics, Academia Sinica, Hefei 230031, PR China b Institute of Solid State Physics, Academia Sinica, Hefei 230031, PR China |
| Abstract: | A feasible experimental scheme of QND measurement for intensity difference fluctuations is presented, in which a nondegenerate optical parametric amplifier is used as the nonlinear coupling device. Optimum behavior is obtained by appropriately choosing the operating parameters, which can provide design references for the measurement. |
| Keywords: | Quantum non-demolition measurement Intensity difference fluctuations Nondegenerate optical parametric amplifier |
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