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QND-Like Quantum Measurement with a Photon-Number Squeezed Light Beam

机译:用光子数压缩光束进行类似QND的量子测量

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摘要

A new QND-like measurement experimental scheme with a photon-number squeezed light beam and a beam splitter is proposed. Within the scheme the input signal beam is a modulated coherent beam and the meter beam is a photon-number squeezed light beam coming from a diode laser with optical feedback. The meter beam enters the usual vacuum port of the beam splitter, and then couples with the signal beam at the beam splitter. The calculation shows that if a 50:50 beam spiltter is used and the transfer efficiency is 95
机译:提出了一种采用光子数压缩光束和分束器的新型QND测量实验方案。在该方案中,输入信号光束是调制相干光束,而仪表光束是来自具有光反馈的二极管激光器的光子数压缩光束。计量光束进入分束器的通常真空端口,然后在分束器处与信号束耦合。计算结果表明,如果使用50:50的光束散射器,传输效率为95

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