Testing spectral filters as Gaussian quantum optical channels

K. Laiho; A. Christ; K. N. CassemiroC. Silberhorn

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Testing spectral filters as Gaussian quantum optical channels

机译：将光谱滤光片作为高斯量子光通道进行测试

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We experimentally investigate the mode characteristics of multimode radiation fields propagating through frequency-dependent Gaussian channels. After manipulating the twin beams emitted from a conventional parametric downconversion source via spectral filtering, we study the changes in their mode characteristics, utilizing the joint normalized correlation functions. While filtering reduces the number of spectral modes, it also leads to an apparent mode mismatch, which destroys the perfect photon-number correlation between the twin beams, and influences the mode properties of heralded states.

机译：我们通过实验研究了通过频率相关的高斯信道传播的多模辐射场的模式特性.在通过光谱滤波处理传统参数下变频源发射的双光束后，利用联合归一化相关函数研究了其模式特性的变化。虽然滤波减少了光谱模式的数量，但它也会导致明显的模式不匹配，从而破坏了双光束之间完美的光子数相关性，并影响了预示态的模式特性。

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来源
《Optics Letters》 |2011年第8期|1476-1478|共3页
作者
K. Laiho; A. Christ; K. N. CassemiroC. Silberhorn;
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作者单位

Max Planck Institute for the Science of Light, Gunther-Scharowsky-Strasse 1/Bldg. 24, D-91058 Erlangen, Germany;

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正文语种英语
中图分类计量学;
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Testing spectral filters as Gaussian quantum optical channels

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