Modeling Highly Efficient RCLED-Type Quantum-Dot-Based Single Photon Emitters

被引:4
|
作者
Muennix, Michael C. [1 ,2 ]
Lochmann, Anatol [1 ,2 ]
Bimberg, Dieter [1 ,2 ]
Haisler, Vladimir A. [3 ]
机构
[1] Tech Univ Berlin, Inst Festkorperphys, D-10623 Berlin, Germany
[2] Tech Univ Berlin, Ctr Nanophoton, D-10623 Berlin, Germany
[3] Inst Semiconductor Phys, Novosibirsk 630090, Russia
关键词
Microcavities; Purcell-effect; quantum cryptography; quantum dots; single photon sources; EMISSION; MODES;
D O I
10.1109/JQE.2009.2020995
中图分类号
TM [电工技术]; TN [电子技术、通信技术];
学科分类号
0808 ; 0809 ;
摘要
Highly efficient single photon sources are of particular importance for quantum cryptography and quantum computation. Cavity-induced enhancement of spontaneous emission can improve photon generation efficiency in quantum-dot-based single photon sources dramatically. Using the eigenmode-technique, the authors calculate the 3-D distribution of the optical electromagnetic field inside a RCLED-type single photon source and consequently the Purcell-factor as a function of the wavelength. Under systematic variation of device design parameters such as cavity length and aperture diameter, an optimized device design was determined, providing Purcell-factors up to 5.5.
引用
收藏
页码:1084 / 1088
页数:5
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