Single photon source based on an InGaN quantum dot in a site-controlled optical horn structure
Single photon source based on an InGaN quantum dot in a site-controlled optical horn structure
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基于位点控制光喇叭结构中 InGaN 量子点的单光子源
DOI:
10.1063/1.5100323
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发表时间:
2019-07
影响因子:
4
通讯作者:
Xinqiang Wang
中科院分区:
文献类型:
--
作者:
Xiaoxiao Sun;Ping Wang;Tao Wang;Duo Li;Zhaoying Chen;Ling Chen;Kang Gao;Mo Li;Jian Zhang;Weikun Ge;Yasuhiko Arakawa;Bo Shen;Mark Holmes;Xinqiang Wang
We report the realization of single photon emission from an InGaN quantum dot in a GaN inverted truncated-pyramid structure: a single photon horn. The structural parameters of the quantum dots, especially the quantum confinement in the (0001) direction, are well controlled by optimizing the planar single InGaN quantum well to be of ∼2 monolayers. Based on conventional nanoimprint pillars combining with a simple regrowth process, the single photon horn structure is realized with an efficient photon emission of 8 × 105 photons/s while still maintaining a g(2)(0) < 0.5 even at an extremely low excitation power of 35 nW (4.5 W cm−2).
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4
作者:
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通讯作者:
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DOI:
10.1038/lsa.2016.144
发表时间:
2016-09
期刊:
Light, science & applications
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