Hybrid systems of AlInP microdisks and colloidal CdSe nanocrystals showing whispering-gallery modes at room temperature
Hybrid systems of AlInP microdisks and colloidal CdSe nanocrystals showing whispering-gallery modes at room temperature
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DOI：
10.1063/1.4894720
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发表时间：
2014-09
影响因子：
4
通讯作者：
C. Strelow;Simon Weising;Dennis Bonatz;J. Penttinen;T. Hakkarainen;A. Schramm;A. Mews;T. Kipp
中科院分区：
文献类型：
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作者：
C. Strelow;Simon Weising;Dennis Bonatz;J. Penttinen;T. Hakkarainen;A. Schramm;A. Mews;T. Kipp
我们报告的混合系统的实现由无源光学微盘谐振器制备的外延层系统和胶体化学合成的量子发射器。AlInP盘材料允许在可见光范围内操作，如通过基于CdSe的纳米晶体探测的。室温下的光致发光光谱揭示了与时域有限差分模拟一致的回音壁模式。在实验中，一个特殊的样品的几何形状，使它有可能检测垂直于磁盘平面的谐振光学模式。
We report on the realization of hybrid systems composed of passive optical microdisk resonators prepared from epitaxial layer systems and nanocrystal quantum emitters synthesized by colloidal chemistry. The AlInP disk material allows for the operation in the visible range, as probed by CdSe-based nanocrystals. Photoluminescence spectra at room temperature reveal sets of whispering-gallery modes consistent with finite-difference time-domain simulations. In the experiments, a special sample geometry renders it possible to detect resonant optical modes perpendicular to the disk plane.