Nonlinear harmonic wave manipulation in nonlinear scattering medium via scattering-matrix method

IF 20.6 1区物理与天体物理 Q1 OPTICS

Advanced Photonics Pub Date : 2023-07-01 DOI:10.1117/1.AP.5.4.046010

Fengchao Ni, Haigang Liu, Yuanlin Zheng, Xianfeng Chen

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引用次数: 1

Abstract

Abstract. Scattering of waves, e.g., light, due to medium inhomogeneity is ubiquitous in physics and is considered detrimental for many applications. Wavefront shaping technology is a powerful tool to defeat scattering and focus light through inhomogeneous media, which is vital for optical imaging, communication, therapy, etc. Wavefront shaping based on the scattering matrix (SM) is extremely useful in handling dynamic processes in the linear regime. However, the implementation of such a method for controlling light in nonlinear media is still a challenge and has been unexplored until now. We report a method to determine the SM of nonlinear scattering media with second-order nonlinearity. We experimentally demonstrate its feasibility in wavefront control and realize focusing of nonlinear signals through strongly scattering quadratic media. Moreover, we show that statistical properties of this SM still follow the random matrix theory. The scattering-matrix approach of nonlinear scattering medium opens a path toward nonlinear signal recovery, nonlinear imaging, microscopic object tracking, and complex environment quantum information processing.

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用散射矩阵法处理非线性散射介质中的非线性谐波

摘要由于介质的不均匀性导致的波（例如光）的散射在物理学中普遍存在，并且被认为对许多应用是有害的。波前整形技术是克服非均匀介质散射和聚焦光的有力工具，对光学成像、通信、治疗等至关重要。基于散射矩阵（SM）的波前整形在处理线性状态下的动态过程中非常有用。然而，在非线性介质中实现这种控制光的方法仍然是一个挑战，直到现在还没有被探索。我们报道了一种确定具有二阶非线性的非线性散射介质SM的方法。实验证明了它在波前控制中的可行性，并通过强散射二次介质实现了非线性信号的聚焦。此外，我们还证明了这种SM的统计性质仍然遵循随机矩阵理论。非线性散射介质的散射矩阵方法为非线性信号恢复、非线性成像、微观目标跟踪和复杂环境量子信息处理开辟了一条道路。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Advanced Photonics OPTICS-

CiteScore

22.70

自引率

1.20%

发文量

审稿时长

18 weeks

期刊介绍： Advanced Photonics is a highly selective, open-access, international journal that publishes innovative research in all areas of optics and photonics, including fundamental and applied research. The journal publishes top-quality original papers, letters, and review articles, reflecting significant advances and breakthroughs in theoretical and experimental research and novel applications with considerable potential. The journal seeks high-quality, high-impact articles across the entire spectrum of optics, photonics, and related fields with specific emphasis on the following acceptance criteria: -New concepts in terms of fundamental research with great impact and significance -State-of-the-art technologies in terms of novel methods for important applications -Reviews of recent major advances and discoveries and state-of-the-art benchmarking. The journal also publishes news and commentaries highlighting scientific and technological discoveries, breakthroughs, and achievements in optics, photonics, and related fields.