期刊
JOURNAL OF MODERN OPTICS
卷 63, 期 5, 页码 451-461出版社
TAYLOR & FRANCIS LTD
DOI: 10.1080/09500340.2015.1079655
关键词
quantum dot; metal nanoparticle; nonlinear optical susceptibility
类别
资金
- European Union (European Social Fund - ESF)
- Greek national funds through Operational Program Education and Lifelong Learning of National Strategic Reference Framework (NSRF) - Research Funding Program: Archimedes III
We theoretically study nonlinear optical effects of a semiconductor quantum dot and a spherical metal nanoparticle coupled via long-range Coulomb interaction. We solve the relevant density matrix equations in steady state and use proper perturbation theory to obtain closed-form analytical expressions for the nonlinear susceptibilities of the quantum dot, the metal nanoparticle, and the entire coupled system, up to fifth order. We also investigate the influence of the material of the semiconductor and the impact of the interparticle distance on the form of the spectra of the nonlinear susceptibilities.
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