NbOCl2的光学各向异性

International Conference on Nanoscience, Engineering and Technology (ICONSET 2011) Pub Date : 2023-10-03 DOI:10.1117/12.2680985

Shuin Jian Wu, Y. Ho, Isa Ahmadalidokht, G. Eda, Alexander Ling

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引用次数: 0

摘要

Guo等人，2023报道，NbOCl2是一种新型的薄材料SPDC源，但对材料较厚样品的进一步光学测量表明，NbOCl2的行为不像传统的SPDC产生材料。在本文中，我们报告了以下几个方面:(1)在404 nm的泵浦波长下，NbOCl2不是完全透明的;(2)在405 nm的泵浦波长下，NbOCl2表现为偏振器;(3)在405 nm泵浦时，NbOCl2在810 nm左右的噪声级以上得到了一致性，并且随着泵浦偏振的变化而变化;(4)在780 nm更透明的波长下泵浦时，没有产生任何可检测的SPDC光子对。

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Optical anisotropy of NbOCl2

Guo et al, 2023, report that NbOCl2 is a novel thin-material SPDC source, but further optical measurements on thicker samples of the material suggest that NbOCl2 does not behave like conventional SPDC producing materials. In this paper, we report the following: (1) NbOCl2 is not completely transparent at the reported pump wavelength of 404 nm, (2) NbOCl2 behaves as a polarizer at 405 nm, (3) coincidences above noise level around 810 nm were obtained when pumping NbOCl2 at 405 nm and varied with pump polarization, and (4) pumping at the more transparent wavelength of 780 nm fails to yield any detectable SPDC photon pairs.

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International Conference on Nanoscience, Engineering and Technology (ICONSET 2011)

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