Coherent-mode representation and orbital angular momentum spectrum of partially coherent beam

Coherent-mode representation and orbital angular momentum spectrum of partially coherent beam
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部分相干光束的相干模式表示和轨道角动量谱

DOI:
10.1016/j.optcom.2007.12.013
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发表时间:
2008-04
影响因子:
2.4
通讯作者:
Gao Chunqing
Gao Chunqing
中科院分区:
物理与天体物理3区
文献类型:
--
作者:
Liu Yidong;Gao Mingwei;Li Feng;Gao Chunqing

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相干光束的轨道角动量在自由空间光通信中有着广泛的应用前景。但部分相干光束的轨道角动量却不为人所知。在这种通信中,采用相干模表示方法来描述部分相干光束,并对部分相干光束引入轨道角动量谱。讨论了部分相干光束的轨道角动量谱特征。为了研究部分相干对光链路的影响,研究了信道容量,包括两种可用的模式分离器。
Orbital angular momentum of the coherent beam has been intensively studied and promises potential applications in free space optical communication. But the orbital angular momentum of partially coherent beam is not well known. In this communication the coherent-mode representation method is adopted to describe the partially coherent beam and the orbital angular momentum spectrum is introduced for the partially coherent beam. The characteristics of the orbital angular momentum spectrum of partially coherent beam are discussed. To study the influence of the partial coherence on the optical link, the channel capacity is studied, with two kinds of available mode separators included.
DOI: 10.1119/1.18450
发表时间: 1995-09
期刊: --
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