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

页码：858 / 861

页数：4

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