Peculiarities of excitation trapping in dense polyatomic ensemble in a Fabry-Perot cavity

25th Annual International Laser Physics Workshop

Kuraptsev, A.S.^1 ; Sokolov, I.M.^1,2

Peter the Great St. Petersburg Polytechnic University, St.-Petersburg

195251, Russia^1

Institute for Analytical Instrumentation, Russian Academy of Sciences, Ivana Chernykh st. 31, St.-Petersburg

198095, Russia^2

关键词: Atomic transition;    Co-operative effects;    Excited atoms;    Fabry-Perot cavity;    Impurity centers;    Microscopic theory;    Resonant wavelengths;    Spontaneous decay;   

Others  :  https://iopscience.iop.org/article/10.1088/1742-6596/826/1/012023/pdf
DOI  :  10.1088/1742-6596/826/1/012023

来源: IOP

【 摘 要 】

We report the investigation of the peculiarities of excitation trapping caused by the cooperative effects in a disordered ensemble of point-like impurity centers (atoms) embedded in a transparent dielectric and located in a Fabry-Perot cavity. On the basis of the general quantum microscopic theory we have calculated cooperative spontaneous decay of an excited atom located in the center of a sample. It is shown that in the case when the distance between the mirrors of a cavity d is less or comparable with resonant wavelength of the atomic transition λ0, the character of cooperative effects in a cavity essentially differs from one without a cavity. For the opposite case dλ0cooperative effects in a cavity manifest themselves almost like in the case of absence of a cavity.