We theoretically investigate scanning nearfield optical microscopy (SNOM) of semiconductor quantum dots. In the nearfield regime bright and dark excitonic states become mixed, opening new channels for the coupling to the electromagnetic field. As a consequence, ultra-narrow luminescence lines appear in the spectra, corresponding to very long lived excitonic states. © 2007 American Institute of Physics.
Optical near-field mapping of bright and dark quantum dot states / Hohenester, U.; Goldoni, G.; Molinari, E.. - In: AIP CONFERENCE PROCEEDINGS. - ISSN 0094-243X. - 893:(2007), pp. 877-878. (Intervento presentato al convegno 28th International Conference on the Physics of Semiconductors, ICPS 2006 tenutosi a Vienna, aut nel 2006) [10.1063/1.2730171].
Optical near-field mapping of bright and dark quantum dot states
Hohenester U.;Goldoni G.;Molinari E.
2007
Abstract
We theoretically investigate scanning nearfield optical microscopy (SNOM) of semiconductor quantum dots. In the nearfield regime bright and dark excitonic states become mixed, opening new channels for the coupling to the electromagnetic field. As a consequence, ultra-narrow luminescence lines appear in the spectra, corresponding to very long lived excitonic states. © 2007 American Institute of Physics.
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