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Efficient quantum dot single photon extraction into an optical fiber using a nanophotonic directional coupler

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Davanço, M. ; Rakher, M. T. ; Wegscheider, Werner ; Schuh, Dieter ; Badolato, A. ; Srinivasan, K.
License: Allianz- bzw. Nationallizenz
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Date of publication of this fulltext: 12 Dec 2011 08:22


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. ...


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