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

W. Y. Chen, H. S. Chang, T. M. Hsu, T. P. Hsieh, J. I. Chyi

研究成果: 雜誌貢獻期刊論文同行評審

5 引文 斯高帕斯(Scopus)

摘要

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.

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文章編號211114
期刊Applied Physics Letters
90
發行號21
DOIs
出版狀態已出版 - 2007

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