Control of polarization and mode mapping of small volume high Q micropillars
Control of polarization and mode mapping of small volume high Q micropillars
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小体积高 Q 微柱的偏振和模式映射控制
DOI：
10.1063/1.2769803
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发表时间：
2007
影响因子：
3.2
通讯作者：
M. Hopkinson
中科院分区：
文献类型：
--
作者：
A. Daraei;D. Sanvitto;J. A. Timpson;A. M. Fox;D. Whittaker;M. S. Skolnick;P. Guimarães;H. Vinck;A. Tahraoui;P. Fry;S. Liew;M. Hopkinson
我们发现，嵌入在一个微腔柱的椭圆截面的单个量子点的发射的偏振可以完全控制，甚至切换两个正交的线偏振之间通过改变点的发射与偏振光子模式的耦合。我们还测量了一系列具有不同椭圆度的柱的发射的空间轮廓，并表明结果可以很好地描述由一个无限长的椭圆柱的模式的简单的理论建模。
We show that the polarization of the emission of a single quantum dot embedded within a microcavity pillar of elliptical cross section can be completely controlled and even switched between two orthogonal linear polarizations by changing the coupling of the dot emission with the polarized photonic modes. We also measure the spatial profile of the emission of a series of pillars with different ellipticities and show that the results can be well described by simple theoretical modeling of the modes of an infinite length elliptical cylinder.