九字形激光的魔鬼阶梯

IF 4.6 2区物理与天体物理 Q1 OPTICS

Optics and Laser Technology Pub Date : 2025-06-09 DOI:10.1016/j.optlastec.2025.113310

Bo Yuan , Junsong Peng , Huiyu Kang , Yulin Sheng , Xinyu Hu , Xiuqi Wu , Ying Zhang , Heping Zeng

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引用次数: 0

摘要

超快激光中的呼吸器为研究迷人的分形动力学——魔鬼的阶梯——提供了一个很有前途的平台。这种现象已经专门研究了激光器的环形结构。人们自然会问，其他空腔构型是否也能呈现这样的分形动力学。九形激光腔以其稳定性在工程中得到广泛应用。在这里，我们用数值方法证明了魔鬼阶梯也可以在九形激光中观察到，从而验证了分形现象在超快激光系统中的普遍性。魔鬼阶梯以前是通过调节环形激光器的泵浦功率来获得的，而九字形激光器为观察分形现象提供了一个新的控制参数——相位偏差。本文采用基于广义非线性Schrödinger方程的离散模型。

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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The devil’s staircase in a figure-of-nine laser

Breathers in ultrafast lasers serve as a promising platform for investigating fascinating fractal dynamics—the devil’s staircase. This phenomenon has been exclusively investigated in lasers with ring configurations. It is natural to ask whether other cavity configurations can also present such fractal dynamics. The figure-of-nine laser cavity is widely employed in engineering by virtue of its stability. Here we show numerically that devil’s staircase can also be observed in a figure-of-nine laser, thereby validating the universality of the fractal phenomena in ultrafast laser systems. While devil’s staircase was previously obtained by tuning the pump power in a ring laser, the figure-of-nine laser provides a new control parameter to observe the fractal phenomenon—the phase bias. A discrete model based on the generalized nonlinear Schrödinger equation is employed in this work.

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来源期刊

Optics and Laser Technology 物理-光学

CiteScore

8.50

自引率

10.00%

发文量

1060

审稿时长

3.4 months

期刊介绍： Optics & Laser Technology aims to provide a vehicle for the publication of a broad range of high quality research and review papers in those fields of scientific and engineering research appertaining to the development and application of the technology of optics and lasers. Papers describing original work in these areas are submitted to rigorous refereeing prior to acceptance for publication. The scope of Optics & Laser Technology encompasses, but is not restricted to, the following areas: •development in all types of lasers •developments in optoelectronic devices and photonics •developments in new photonics and optical concepts •developments in conventional optics, optical instruments and components •techniques of optical metrology, including interferometry and optical fibre sensors •LIDAR and other non-contact optical measurement techniques, including optical methods in heat and fluid flow •applications of lasers to materials processing, optical NDT display (including holography) and optical communication •research and development in the field of laser safety including studies of hazards resulting from the applications of lasers (laser safety, hazards of laser fume) •developments in optical computing and optical information processing •developments in new optical materials •developments in new optical characterization methods and techniques •developments in quantum optics •developments in light assisted micro and nanofabrication methods and techniques •developments in nanophotonics and biophotonics •developments in imaging processing and systems