Mode sorter and detector based on photon orbital angular momentum

Baha Jassemnejad; April Bohannan; John LekkiKen Weiland

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Mode sorter and detector based on photon orbital angular momentum

机译：Mode sorter and detector based on photon orbital angular momentum

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摘要

Photons were generated possessing orbital angular momentum (OAM) in the form of Laguerre-Gaussian (LG) laser modes. Three Mach-Zehnder interferometer systems, with the use of Dove prisms, were constructed to sort and detect the LG modes based on their OAM state. Successful generating, sorting, and detecting of LG modes is the first step towards information encoding and decoding via lasers. It is possible to generate many LG modes, which can be orthogonally decoded. With many modes to encode information with it is possible to transfer more than one bit of information with a single photon using LG encoding. An experimental test of this concept was performed by demonstrating the generation and sorting of LG modes with attenuated intensities averaging below one photon passing through the system at a time. In summary, generating, sorting, and low-power detecting of specific LG modes were all demonstrated.

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来源
《Optical Engineering》 |2008年第5期|053001-1-053001-5-0|共5页
作者
Baha Jassemnejad; April Bohannan; John LekkiKen Weiland;
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作者单位

University of Central Oklahoma, Department of Engineering and Physics, 100 North University Drive, Edmond, Oklahoma 73034;

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收录信息美国《科学引文索引》(SCI);美国《工程索引》(EI);
原文格式 PDF
正文语种英语
中图分类光学仪器;
关键词
mode sorter; orbital angular momentum; photon; Laguerre-Gaussian modes;

Mode sorter and detector based on photon orbital angular momentum

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