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arXiv 2301.01418physics.opticscond-mat.mes-hall
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介电腔与磁量子发射体构成的亚波长系统中的受激辐射磁光放大

Magnetic light amplification by stimulated emission of radiation in subwavelength systems of a dielectric cavity and magnetic quantum emitters

Zhong-Jian Yang, Xiao-Jing Du, Ma-Long Hu, Jun He

AI总结:

本文提出由高折射率介电腔和磁量子发射体构成亚波长磁激光器,推导实现条件,并通过硅盘等系统数值验证其可行性,发现磁Purcell因子可比电Purcell因子高约10^3倍,为增强磁光-物质相互作用开辟新途径。

摘要:

我们提出了一种亚波长系统中的磁激光器,该系统由高折射率介电腔和由磁量子发射体形成的活性介质组成。理论上考虑了磁量子发射体与腔的量子化磁场发生相干相互作用所诱导的受激辐射。获得了实现这种磁激光器的条件。数值结果表明,磁激光器在一些现实系统中是可行的,例如,一个具有高品质回音壁模式的硅盘,其中嵌入了发射体。此外,在一些可实现磁激光器的系统中,还考虑了电相互作用与磁相互作用在Purcell因子方面的竞争。在具有高阶磁模式的波长尺度硅块中,磁Purcell因子与电Purcell因子的比值可以达到超过约10^3之大。我们的结果为增强磁光-物质相互作用开辟了途径。

英文摘要:

We propose a magnetic laser in a subwavelength system consisting of a high-refractive-index dielectric cavity and an active medium formed by magnetic quantum emitters. Stimulated emissions of magnetic quantum emitters induced by their coherent interactions with quantized magnetic fields of a cavity are theoretically considered. The condition to archive such a magnetic laser is obtained. Numerical results show that magnetic lasers are feasible in some realistic systems, for example, a silicon disk of high-quality whispering gallery modes with embedded emitters. Furthermore, the competitions between the electric interaction and magnetic one in terms of their Purcell factors are also considered in some magnetic laser achievable systems. In a wavelength-scale silicon block of a high-order magnetic mode, the ratio of magnetic Purcell factor to the electric one can reach more than ~10^3 large. Our results open up ways to enhanced magnetic light-matter interactions.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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