期刊
OPTICS EXPRESS
卷 21, 期 2, 页码 1762-1772出版社
OPTICAL SOC AMER
DOI: 10.1364/OE.21.001762
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- Region Franche-Comte under project AMIFI
- Labex ACTION
- Pole de Competitivite Microtechnique
We theoretically demonstrate highly efficient optical coupling between a single quantum emitter and a monomode optical fiber over remarkably broad spectral ranges by extending the concept of horn antenna to optics. The optical horn antenna directs the radiation from the emitter toward the optical fiber and efficiently phase-matches the photon emission with the fiber mode. Numerical results show that an optical horn antenna can funnel up to 85% of the radiation from a dipolar source within an emission cone semi-angle as small as 7 degrees (antenna directivity of 300). It is also shown that 50% of the emitted power from the dipolar source can be collected and coupled to an SMF-28 fiber mode over spectral ranges larger than 1000 nm, with a maximum energy transfer reaching 70 %. This approach may open new perspectives in quantum optics and sensing. (C) 2013 Optical Society of America
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