5 September 2014 Surface-plasmon field controlled quantum-dot light absorption and spontaneous emission
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Abstract
The possibility for controlling both the probe-field optical gain and absorption switching as well as photon conversion by a surface-plasmon-polariton near field is explored for a quantum dot located above a metal surface. In contrast to the linear response in the weak-coupling regime, the obtained spectra could show an induced optical gain and a triply-split spontaneous emission peak resulting from the interference between the surface-plasmon field and the probe or self-emitted light field in such a strongly-coupled nonlinear system.
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Danhong Huang, Danhong Huang, Michelle Easter, Michelle Easter, Godfrey Gumbs, Godfrey Gumbs, A. A. Maradudin, A. A. Maradudin, Shawn-Yu Lin, Shawn-Yu Lin, Dave A. Cardimona, Dave A. Cardimona, Xiang Zhang, Xiang Zhang, } "Surface-plasmon field controlled quantum-dot light absorption and spontaneous emission", Proc. SPIE 9205, Reflection, Scattering, and Diffraction from Surfaces IV, 920504 (5 September 2014); doi: 10.1117/12.2060165; https://doi.org/10.1117/12.2060165
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