期刊
APPLIED PHYSICS LETTERS
卷 99, 期 12, 页码 -出版社
AMER INST PHYSICS
DOI: 10.1063/1.3617472
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资金
- NIST-CNST/UMD-NanoCenter
We demonstrate a spectrally broadband and efficient technique for collecting emission from a single InAs quantum dot directly into a standard single mode optical fiber. In this approach, an optical fiber taper waveguide is placed in contact with a suspended GaAs nanophotonic waveguide with embedded quantum dots, forming a broadband directional coupler with standard optical fiber input and output. Efficient photoluminescence collection over a wavelength range of tens of nanometers is demonstrated, and a maximum collection efficiency of 6% (corresponding single photon rate of 3.0 MHz) into a single mode optical fiber is estimated for a single quantum dot exciton. (C) 2011 American Institute of Physics. [doi:10.1063/1.3617472]
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