Twisted Gaussian Schell-model breathers and solitons in strongly nonlocal nonlinear media

Twisted Gaussian Schell-model breathers and solitons in strongly nonlocal nonlinear media

Based on the Snyder-Mitchell linear model and the cross-spectral density (CSD) function, the analytical propagation formula of twisted Gaussian Schell-model (TGSM) beams in strongly nonlocal nonlinear medium (SNNM) is derived. Then the propagation characteristics of TGSM beam are studied. It is foun...

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Veröffentlicht in:Optics express 2022-08, Vol.30 (18), p.32019-32030
Hauptverfasser: Zhang, Shaohua, Zhou, Zhenglan, Zhou, Yuan, Xu, Huafeng, Yuan, Yangsheng, Han, Yashuai, Zhou, Zhengxian, Yao, Baoli, Qu, Jun
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container_end_page 32030
container_issue 18
container_start_page 32019
container_title Optics express
container_volume 30
creator Zhang, Shaohua
Zhou, Zhenglan
Zhou, Yuan
Xu, Huafeng
Yuan, Yangsheng
Han, Yashuai
Zhou, Zhengxian
Yao, Baoli
Qu, Jun
description Based on the Snyder-Mitchell linear model and the cross-spectral density (CSD) function, the analytical propagation formula of twisted Gaussian Schell-model (TGSM) beams in strongly nonlocal nonlinear medium (SNNM) is derived. Then the propagation characteristics of TGSM beam are studied. It is found that the soliton radius is jointly determined by the initial power, coherence length, and twist factor; the degree of spatial coherence is adjusted by changing the twist factor without affecting the soliton intensity. In the case of non-soliton properties, there is a threshold of coherence length which makes partially coherent beams have the same evolution law as completely coherent beams. Furthermore, increasing the twist factor, decreasing the coherence length and initial power can improve the beam quality of the beam propagating in SNNM.
doi_str_mv 10.1364/OE.466117
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title Twisted Gaussian Schell-model breathers and solitons in strongly nonlocal nonlinear media
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