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

URN to cite this document:: urn:nbn:de:bvb:355-epub-229218
DOI to cite this document:: 10.5283/epub.22921

Davanço, M. ; Rakher, M. T.

; Wegscheider, Werner ; Schuh, Dieter ; Badolato, A. ; Srinivasan, K.

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Date of publication of this fulltext: 12 Dec 2011 08:22

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Abstract

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. ...