In-Plane Emission Of Indistinguishable Photons Generated By An Integrated Quantum Emitter

Sokratis Kalliakos,Yarden Brody,Andre Schwagmann,Anthony J Bennett,Martin B Ward,D J P Ellis,J Skibaszymanska,I Farrer,J Griffiths,G A C Jones,D A Ritchie,A J Shields

APPLIED PHYSICS LETTERS（2014）

Cited 12|Views25

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Abstract

We demonstrate the emission of indistinguishable photons along a semiconductor chip originating from carrier recombination in an InAs quantum dot. The emitter is integrated in the waveguiding region of a photonic crystal structure, allowing for on-chip light propagation. We perform a Hong-Ou-Mandel-type of experiment with photons collected from the exit of the waveguide, and we observe two-photon interference under continuous wave excitation. Our results pave the way for the integration of quantum emitters in advanced photonic quantum circuits. (C) 2014 AIP Publishing LLC.

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Key words

light transmission,photons,interference,crystal structure,waveguides,quantum dots,recombination,excitation

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