Application of Cohen Distribution Functions for Time-Frequency Analysis of Chirped Laser Beams

IF 2.2 3区工程技术 Q3 ENGINEERING, ELECTRICAL & ELECTRONIC

IEEE Journal of Quantum Electronics Pub Date : 2025-04-07 DOI:10.1109/JQE.2025.3558190

Arkady G. Yastremskii;Sofia A. Yampolskaya;Yuri N. Panchenko

引用次数: 0

Abstract

Based on the Cohen distribution function and physical spectrum concept, a new algorithm for numerical analysis of the time-frequency distribution of photon flux density of a chirped laser beam has been developed. This made it possible to use the well-known photon transport equation for modeling the evolution of not only spatial and energy, but also spectral characteristics of radiation in high-power laser systems. This approach allows us to solve the problem of “negative probability” arising when using the Wigner distribution function for non-Gaussian laser beams. Comparison of the obtained data with the results of experiments and numerical modeling of amplification of chirped laser beams in the XeF(C-A) gas amplifier of the THL-100 laser system proved applicability of the model.

查看原文本刊更多论文

科恩分布函数在啁啾激光束时频分析中的应用

基于Cohen分布函数和物理谱概念，提出了一种啁啾激光束光子通量密度时频分布数值分析的新算法。这使得利用众所周知的光子输运方程来模拟高功率激光系统中辐射的空间和能量演化，以及光谱特性成为可能。这种方法使我们能够解决非高斯激光束使用Wigner分布函数时出现的“负概率”问题。将所得数据与THL-100激光系统XeF（C-A）气体放大器啁啾激光束放大的实验和数值模拟结果进行了比较，证明了该模型的适用性。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

求助全文

约1分钟内获得全文求助全文

来源期刊

IEEE Journal of Quantum Electronics 工程技术-工程：电子与电气

CiteScore

4.70

自引率

4.00%

发文量

审稿时长

3.0 months

期刊介绍： The IEEE Journal of Quantum Electronics is dedicated to the publication of manuscripts reporting novel experimental or theoretical results in the broad field of the science and technology of quantum electronics. The Journal comprises original contributions, both regular papers and letters, describing significant advances in the understanding of quantum electronics phenomena or the demonstration of new devices, systems, or applications. Manuscripts reporting new developments in systems and applications must emphasize quantum electronics principles or devices. The scope of JQE encompasses the generation, propagation, detection, and application of coherent electromagnetic radiation having wavelengths below one millimeter (i.e., in the submillimeter, infrared, visible, ultraviolet, etc., regions). Whether the focus of a manuscript is a quantum-electronic device or phenomenon, the critical factor in the editorial review of a manuscript is the potential impact of the results presented on continuing research in the field or on advancing the technological base of quantum electronics.