非对称法布里-珀罗腔中超辐射态的结构和自调制特征

IF 0.6 4区 物理与天体物理 Q4 PHYSICS, CONDENSED MATTER Semiconductors Pub Date : 2024-09-17 DOI:10.1134/s1063782624050075
E. R. Kocharovskaya, Vl. V. Kocharovsky
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引用次数: 0

摘要

摘要 研究了带有轻微不对称低 Q 值法布里-珀罗腔的超辐射激光器的强不对称静态的结构和稳定性对其长度、反射镜的反射系数和泵浦电平的依赖性。这些状态与自洽的不均匀半波长种群反转光栅有关。研究确定了从这种类型的静态(单色)状态到非静态状态存在两种动态相变的可能性:(1) 从耗散超辐射过渡到具有准连续激光光谱的状态(在弱不对称腔中);(2) 从自调制过渡到具有离散激光光谱的状态。研究表明,后者可能是由于具有足够长相位弛豫时间的有源中心的共振拉比振荡激发了极化子和电磁激光模式。
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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Structure and Self-Modulation Features of the Superradiant States in Asymmetric Fabry–Perot Cavity

Abstract

The dependence of the structure and stability of strongly asymmetric stationary states of a superradiant laser with a slightly asymmetric low-Q Fabry–Perot cavity on its length, reflection factors of mirrors, and pumping level is studied. The states are related to a self-consistent inhomogeneous half-wavelength population inversion grating. The possibility of the existence of two dynamic phase transitions from a stationary (monochromatic) state of this type to a nonstationary one is established: (1) a dissipative superradiant transition to a regime with a quasi-continuous lasing spectrum (in a weakly asymmetric cavity) and (2) a self-modulation transition to a regime with a discrete lasing spectrum. It is shown that the latter can be caused by excitation of both polariton and electromagnetic laser modes due to resonant Rabi oscillations of active centers with a sufficiently long phase relaxation time.

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来源期刊
Semiconductors
Semiconductors 物理-物理:凝聚态物理
CiteScore
1.50
自引率
28.60%
发文量
131
审稿时长
3-6 weeks
期刊介绍: Publishes the most important work in semiconductor research in the countries of the former Soviet Union. Covers semiconductor theory, transport phenomena in semiconductors, optics, magnetooptics, and electrooptics of semiconductors, semiconductor lasers and semiconductor surface physics. The journal features an extensive book review section.
期刊最新文献
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