Emission spectrum of a quantum dot embedded in a nanocavity

Emission spectrum of a quantum dot embedded in a nanocavity
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嵌入纳米腔中的量子点的发射光谱

DOI:
10.1002/pssc.200880577
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发表时间:
2008
期刊:
Physica Status Solidi (c)
影响因子:
--
通讯作者:
V. Savona
V. Savona
中科院分区:
--
文献类型:
--
作者:
G. Tarel;V. Savona

文献摘要

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我们用半经典的方法描述了嵌入在纳米腔(如光子晶体)中的量子点的发射光谱。我们从量子点作为两能级系统的简单模型出发,恢复了腔量子电动力学所期望的结果。然后,我们研究了电子-声-声子相互作用的影响。我们发现,在强耦合中,周围的半导体在发射光谱中起着至关重要的作用。
We model the emission spectrum of a quantum dot embedded in a (e.g. photonic crystal) nanocavity, using a semi-classical approach to describe the matter-field interaction. We start from the simple model of a quantum dot as a two-level system, and recover the result expected from cavity quantum electrodynamics. Then, we study the influence of electron-acoustic-phonons interaction. We show that the surrounding semiconductor plays an essential role in the emission spectrum in strong coupling.