期刊
NANO LETTERS
卷 11, 期 1, 页码 198-202出版社
AMER CHEMICAL SOC
DOI: 10.1021/nl103434r
关键词
Single photon source; single emitter sensor; fiber integration; nitrogen vacancy; nanomanipulation; nanodiamond
类别
资金
- BMBF
- DFG [AI 92/3]
An alignment Free, micrometer-scale single photon source consisting of a single quantum emitter on an optical fiber operating at room temperature is demonstrated. It easily integrates into fiber optic networks for quantum cryptography or quantum metrology applications.(1) Near-field coupling of a single nitrogen-vacancy center is achieved in a bottom-up approach by placing a preselected nanodiamond directly on the fiber facet. Its high photon collection efficiency is equivalent to a far-field collection via an objective with a numerical aperture of 0.82. Furthermore, simultaneous excitation and re-collection through the fiber is possible by introducing a fiber-connected single emitter sensor.
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