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Quasinormal mode theory of Purcell factors and spontaneous emission decay rate near nano/micro resonators
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主讲人: 任娟娟
地点: yl8cc永利官网中215会议室
时间: 2024年8月4号(星期日)14:30-16:30
主持 联系人: 古英(Tel:62752882)
主讲人简介: 任娟娟,于2018年在yl8cc永利官网光学所博士毕业,目前在加拿大女王大学从事博士后研究,在PRL,PRX,ACS photonics, Optica Quantum等刊物参与发表文章数十篇,引用超600次,并参与编写《Advances in Near-Field Optics》书中一章。

Modes theory plays an important role in physics as the general evolution of a system could be expressed as the superposition of its eigenmode. For closed or periodic systems, the eigenmode is normal mode with real eigenfrequency. However, nearly all realistic systems are open, where the dissipation is via radiation to the far field region and/or absorption within the system. Therefore, to describe the modes of such an open system, the quasinormal mode (QNM) theory has been developed in the last few decades, which provides deep insight and efficiency for describing electromagnetic scattering and light-matter interaction. Here, I will present a few works about the QNMs theory of Purcell factors and spontaneous emission decay rates near nano/micro resonators, including coupled QNMs theory, breakdown of usual Fermi's golden rule in the presence of linear gain, quantum/classical fix of spontaneous emission rate with linear gain, gain compensation to improve the Purcell factors of gold-dimer plasmon modes by over one million-fold, chiral emission for linear dipole emitters near a refractive index modulated microring.