期刊
APPLIED PHYSICS LETTERS
卷 90, 期 6, 页码 -出版社
AMER INST PHYSICS
DOI: 10.1063/1.2437727
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资金
- Engineering and Physical Sciences Research Council [EP/C009290/1] Funding Source: researchfish
The authors report a plug and play source of single photons, with full integration to a single-mode optical fiber. One end of the fiber is attached to the top of an InGaAs/GaAs quantum dot wafer. The other end is connected via a wavelength-division multiplexing system to two separate fibers: one for carrying excitation light and the other for emitted light. A Hanbury-Brown and Twiss [Nature (London) 77, 27 (1956)] measurement was performed on the emission from single excitons recombining in the quantum dots. A second-order correlation function at zero time delay of approximately 0.01 indicates a nearly ideal source of single photons. The maximum variation of peak position over 24 days is less than 0.1 nm.
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