Spontaneous emission from semiconductor nanocrystals in coupled spherical microcavities

被引：3
|
作者：
Rakovich, YP [1 ]
Gerlach, M [1 ]
Bradley, AL [1 ]
Donegan, JF [1 ]
Boland, J [1 ]
Connolly, T [1 ]
Przyjalgowski, M [1 ]
Ryder, A [1 ]
Gaponik, N [1 ]
Rogach, AL [1 ]
机构：
[1] Univ Dublin Trinity Coll, Dept Phys, Dublin 2, Ireland
来源：
Fourth International Conference on Physics of Light-Matter Coupling in Nanostructures (PLMCN4) | 2005年 / 2卷 / 02期
关键词：
D O I：
10.1002/pssc.200460351
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
We report on the coherent coupling of whispering gallery modes (WGM) in a photonic molecule formed from two melamine-formaldehyde spherical microcavities coated with a thin shell of light-emitting CdTe nanocrystals (NCs). Utilizing different excitation conditions the splitting of the WGM resonances originating from bonding and anti-bonding branches of the photonic states is observed and fine structure consisting of very sharp peaks resulting from lifting of the WGM degeneracy has been detected. Time-resolved measurements showed a slight increase in the spontaneous emission rate of NCs in a photonic molecule when compared to the spontaneous emission rate for NCs coating a single microsphere. (c) 2005 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.
引用
收藏
页码：858 / 861
页数：4
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