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Single-Photon Emission from a Single InAs Quantum Dot |
| DOU Xiu-Ming;SUN Bao-Quan;HUANG She-Song;NI Hai-Qiao;NIU Zhi-Chuan |
| SKLSM, Institute of Semiconductors, Chinese Academy of Sciences, PO Box 912, Beijing 100083 |
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| Cite this article: |
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DOU Xiu-Ming, SUN Bao-Quan, HUANG She-Song et al 2008 Chin. Phys. Lett. 25 501-504 |
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Abstract Excitation power-dependent micro-photoluminescence spectra and photon-correlation measurement are used to study the optical properties and photon statistics of single InAs quantum dots. Exciton and biexciton emissions, whose photoluminescence intensities have linear and quadratic excitation power dependences, respectively, are identified. Under pulsed laser excitation, the zero time delay peak of second order correlation function corresponding to exciton emission is well suppressed, which is a clear evidence of single photon emission.
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| Keywords:
42.50.Dv
78.67.Hc
78.55.-m
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Received: 19 October 2007
Published: 30 January 2008
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| PACS: |
42.50.Dv
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(Quantum state engineering and measurements)
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78.67.Hc
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(Quantum dots)
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78.55.-m
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(Photoluminescence, properties and materials)
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