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首页> 外文期刊>Journal of Physics, B. Atomic, Molecular and Optical Physics: An Institute of Physics Journal >Reconstruction of photon number conditioned states using phase randomized homodyne measurements
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Reconstruction of photon number conditioned states using phase randomized homodyne measurements

机译:使用相随机零差测量重建光子数条件状态

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摘要

We experimentally demonstrate the reconstruction of a photon number conditioned state without using a photon number discriminating detector. By using only phase randomized homodyne measurements, we reconstruct up to the three photon subtracted squeezed vacuum state. The reconstructed Wigner functions of these states show regions of pronounced negativity, signifying the non-classical nature of the reconstructed states. The techniques presented allow for complete characterization of the role of a conditional measurement on an ensemble of states, and might prove useful in systems where photon counting still proves technically challenging.
机译:我们通过实验证明了在不使用光子数区分检测器的情况下重建光子数条件状态。通过仅使用相位随机零差测量,我们最多可以重建三个光子相减的压缩真空状态。这些状态的重构的维格纳函数显示出明显的负性区域,表明重构状态的非经典性质。提出的技术可以完全表征状态测量对一组状态的作用,并且可能在光子计数仍然被证明具有技术挑战性的系统中被证明是有用的。

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