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Browse Journals & Magazines > Applied Physics Letters ...> Volume:90 Issue:21 Help

Temperature stability of single-photon emission from InGaAs quantum dots in photonic crystal nanocavities

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5 Author(s)
Chen, W.-Y. ; Department of Physics, National Central University, Jhong-li, 32001 Taiwan, Republic of China and Center for Nano Science and Technology, National Central University, Jhong-li, 32001 Taiwan, Republic of China ; Chang, H.-S. ; Hsu, T.M. ; Hsieh, T.-P.
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Your organization might have access to this article on the publisher's site. To check, click on this link:http://dx.doi.org/+10.1063/1.2743398 

This study demonstrates the feasibility to 60 K operation of photonic crystal (PC) nanocavities for self-assembled InGaAs quantum dots (QDs) in single-photon applications. With the proper quality factor and small mode volume, this PC nanocavity exhibits excellent spontaneous emission enhancement and high thermal stability. Measuring the second-order correlation function of single QD emission yields clear photon antibunching with a small timing jitter of ∼1 ns, which is maintained from T=7 to 60 K. These results demonstrate that PC nanocavities with an appropriate quality factor and mode volume are well suitable for developing thermal-stable single-photon sources.

Published in:
Applied Physics Letters  (Volume:90 ,  Issue: 21 )

Date of Publication: May 2007

Page(s):
211114 - 211114-3
ISSN :
0003-6951
Digital Object Identifier :
10.1063/1.2743398
Product Type:
Journals & Magazines
Date of Current Version :
18 June 2009
Issue Date :
May 2007

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