Photon Antibunching Observed from an InAlAs Single Quantum Dot

Kimura, Satoshi; Kumano, Hidekazu; Endo, Michiaki et al.

Japanese Journal of Applied Physics. Pt. 2, Letters & express letters, 2005, 44(25), L793-L796

Permalink : https://hdl.handle.net/2115/33088

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アクセス権
open access
URI
https://hdl.handle.net/2115/33088
タイトル
Photon Antibunching Observed from an InAlAs Single Quantum Dot
著者
Kimura, Satoshi ; Kumano, Hidekazu ; Endo, Michiaki ; Suemune, Ikuo ; Yokoi, Tomonori ; Sasakura, Hirotaka ; Adachi, Satoru ; Muto, Shunichi ; Song, Hai Zhi ; Hirose, Shinichi ; Usuki, Tatsuya
著者名
Kimura, Satoshi
e-Rad_Researcher
70292042
著者名
Kumano, Hidekazu
著者名
Endo, Michiaki
e-Rad_Researcher
00112178
著者名
Suemune, Ikuo
著者名
Yokoi, Tomonori
e-Rad_Researcher
90374595
著者名
Sasakura, Hirotaka
e-Rad_Researcher
10221722
著者名
Adachi, Satoru
e-Rad_Researcher
00114900
著者名
Muto, Shunichi
著者名
Song, Hai Zhi
著者名
Hirose, Shinichi
著者名
Usuki, Tatsuya
言語
英語
発行日
2005
出版者
Japan Society of Applied Physics
収録物名
Japanese Journal of Applied Physics. Pt. 2, Letters & express letters
巻(号)
44(25)
ページ
L793-L796
抄録
Single-photon emitters and detectors are the key devices to realize secure communications with single-photon-based quantum cryptography and single-photon-based quantum computing. InAlAs quantum dots (QDs) cover the wavelength range with high quantum efficiencies of Si-based single-photon detectors. Clear photon antibunching was observed from an InAlAs single QD under weak excitations. To realize single-photon emitters on demand, complete population of the QD energy states before the photon emission events is necessary, but the measured antibunching properties were dependent substantially on the photo-excitation powers. The physical origin of this problem is discussed and the criterion to distinguish the real deviation from the photon antibunching condition and the artifact of the measurements is clarified. The capability of single-photon emissions on demand will be demonstrated with photon antibunching under pulsed operations.
資源タイプ
学術雑誌論文
出版タイプ
Accepted Manuscript
権利情報
Copyright © 2005 The Japan Society of Applied Physics
PISSN
0021-4922
NCID
AA11906093
関連情報 (isVersionOf)
出版社版DOI
https://doi.org/10.1143/JJAP.44.L793