Single-photon generation from InAlAs single quantum dot

Single-photon generation from InAlAs single quantum dot
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DOI：
10.1002/pssc.200562027
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发表时间：
2005-11
期刊：
Physica Status Solidi (c)
影响因子：
--
通讯作者：
S. Kimura;H. Kumano;M. Endo;I. Suemune;T. Yokoi;H. Sasakura;S. Adachi;S. Muto;H. Z. Song;S. Hirose;Tatsuya Usuki
S. Kimura;H. Kumano;M. Endo;I. Suemune;T. Yokoi;H. Sasakura;S. Adachi;S. Muto;H. Z. Song;S. Hirose;Tatsuya Usuki
中科院分区：
其他
文献类型：
--
作者：
S. Kimura;H. Kumano;M. Endo;I. Suemune;T. Yokoi;H. Sasakura;S. Adachi;S. Muto;H. Z. Song;S. Hirose;Tatsuya Usuki

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在硅雪崩光电二极管单光子探测器具有高量子效率的波长下，实现了InAlAs量子点的可控单光子产生。测量了激发功率与光子符合计数的关系，发现在低激发功率下实现了高纯度的单光子发射。除了临界激发外，量子点中多激子态的布居降低了单光子发射的纯度。(2015Wiley-VCH Verlag GmbH&Co.KGaA，Weinheim)
Regulated single-photon generation from an InAlAs quantum dot was demonstrated at a wavelength in which Si-avalanche photodiode single-photon detector has high quantum efficiency. Measured excitation power dependence of photon coincidence counts revealed that highly pure single-photon emission was realized at low excitation powers. Beyond a critical excitation, population of multi-exciton states in the quantum dot degraded the purity of single-photon emission. (© 2005 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim)