Spatiotemporal optical wave packets with arbitrary trajectories.

IF 3.1 2区物理与天体物理 Q2 OPTICS

Optics letters Pub Date : 2025-06-15 DOI:10.1364/OL.562151

Cen Wang, Zehong Liang, Zhang Ruan, Meixia Ma, Dongmei Deng

引用次数: 0

Abstract

Spatiotemporal optical wave packets (STWPs) that are realized by spatiotemporal frequency coupling have the capacity to continuously control longitudinal group velocities from negative to superluminal. In this work, an inverse design algorithm based on the theory of stationary phase approximation is proposed to realize the design of arbitrarily variable trajectories for STWPs under non-paraxial conditions in free space. The central energy of the wave packet maintains almost constant intensity over long propagation distances, while the algorithm remains compatible with STWPs in complex dispersive systems.

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具有任意轨迹的时空光波包。

通过时空频率耦合实现的时空光波包（STWPs）具有从负到超光速连续控制纵向群速度的能力。本文提出了一种基于定相近似理论的反设计算法，用于实现自由空间中非傍轴条件下STWPs的任意变轨迹设计。在较长的传播距离内，波包的中心能量几乎保持恒定的强度，而该算法仍然与复杂色散系统中的STWPs兼容。

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

Optics letters 物理-光学

CiteScore

6.60

自引率

8.30%

发文量

2275

审稿时长

1.7 months

期刊介绍： The Optical Society (OSA) publishes high-quality, peer-reviewed articles in its portfolio of journals, which serve the full breadth of the optics and photonics community. Optics Letters offers rapid dissemination of new results in all areas of optics with short, original, peer-reviewed communications. Optics Letters covers the latest research in optical science, including optical measurements, optical components and devices, atmospheric optics, biomedical optics, Fourier optics, integrated optics, optical processing, optoelectronics, lasers, nonlinear optics, optical storage and holography, optical coherence, polarization, quantum electronics, ultrafast optical phenomena, photonic crystals, and fiber optics. Criteria used in determining acceptability of contributions include newsworthiness to a substantial part of the optics community and the effect of rapid publication on the research of others. This journal, published twice each month, is where readers look for the latest discoveries in optics.