Efficient channeling of fluorescence photons from single quantum dots into guided modes of optical nanofiber.
Efficient channeling of fluorescence photons from single quantum dots into guided modes of optical nanofiber.
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DOI：
10.1103/physrevlett.109.063602
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发表时间：
2012-04
影响因子：
8.6
通讯作者：
Ramachandrarao Yalla;F. Kien;M. Morinaga;K. Hakuta
中科院分区：
文献类型：
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作者：
Ramachandrarao Yalla;F. Kien;M. Morinaga;K. Hakuta
我们通过实验证明了荧光光子从纳米光纤上的单q点进入引导模式的有效通道，通过测量同时通过引导和辐射模式的光子计数率。当光纤直径为350 nm，发射波长为780 nm时，通道效率达到22.0（±4.8）%。这一结果可能为在单模光纤中产生单光子的量子信息技术开辟新的可能性。
We experimentally demonstrate the efficient channeling of fluorescence photons from single q dots on optical nanofiber into the guided modes by measuring the photon-count rates through the guided and radiation modes simultaneously. We obtain the maximum channeling efficiency to be 22.0(±4.8)% at a fiber diameter of 350 nm for the emission wavelength of 780 nm. The results may open new possibilities in quantum information technologies for generating single photons into single-mode optical fibers.