T. Miyazawa, K. Takemoto, Y. Sakuma, Hai-Xi Song, M. Takatsu, Tsuyoshi Yamamoto, Y. Arakawa
{"title":"Suppression of multi-photon emission in 1.5-µm quantum-dot single-photon source","authors":"T. Miyazawa, K. Takemoto, Y. Sakuma, Hai-Xi Song, M. Takatsu, Tsuyoshi Yamamoto, Y. Arakawa","doi":"10.1109/ICIPRM.2013.6562564","DOIUrl":null,"url":null,"abstract":"Photon-correlation function g<sup>(2)</sup>(τ) of a single `doublecapped' InAs/InP quantum dot (QD) was obtained with high accuracy using a superconducting single-photon detector (SSPD). By using resonant excitation to the e<sub>1</sub>h<sub>0</sub> state in the single InAs/InP QD, g<sup>(2)</sup>(0) was decreased to the detection limit. Rabi oscillation of the PL intensity of e<sub>0</sub>h<sub>0</sub> state is also observed under the resonant excitation into the e<sub>1</sub>h<sub>0</sub> state. These results suggest that the coherent exciton generation into e<sub>1</sub>h<sub>0</sub> state is effective to improve the purity of the single-photon emission.","PeriodicalId":120297,"journal":{"name":"2013 International Conference on Indium Phosphide and Related Materials (IPRM)","volume":null,"pages":null},"PeriodicalIF":0.0000,"publicationDate":"2013-05-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"2013 International Conference on Indium Phosphide and Related Materials (IPRM)","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/ICIPRM.2013.6562564","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 0
Abstract
Photon-correlation function g(2)(τ) of a single `doublecapped' InAs/InP quantum dot (QD) was obtained with high accuracy using a superconducting single-photon detector (SSPD). By using resonant excitation to the e1h0 state in the single InAs/InP QD, g(2)(0) was decreased to the detection limit. Rabi oscillation of the PL intensity of e0h0 state is also observed under the resonant excitation into the e1h0 state. These results suggest that the coherent exciton generation into e1h0 state is effective to improve the purity of the single-photon emission.
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