光学
物理
连贯性(哲学赌博策略)
高斯分布
光谱密度
光束
梁(结构)
相干理论
相干长度
量子力学
电信
计算机科学
超导电性
作者
Sushil Pokharel,Olga Korotkova
出处
期刊:Optics Letters
[Optica Publishing Group]
日期:2023-09-13
卷期号:48 (20): 5241-5241
被引量:2
摘要
The phenomenon of the correlation-induced spectral changes (CISC) in the spectral density of a wide-stationary light beam is shown to occur for each component in its single-radius coherence-OAM (COAM) matrix, with the magnitude quantitatively depending on the OAM indices. As the diagonal elements of the COAM matrix are also radially resolved OAM spectrum components, the new effect may be viewed as the CISC in the OAM spectrum. Using the Gaussian Schell-model beam with the Gaussian spectral line, we then demonstrate the spectral shifts appearing on propagation in vacuum in its radially resolved OAM spectrum. We also prove the spectral invariance of the spatially integrated OAM spectrum.
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