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Title: In-plane emission of indistinguishable photons generated by an integrated quantum emitter

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.
Authors:
; ; ; ; ;  [1] ; ;  [1] ;  [2] ; ; ; ;  [3]
  1. Cambridge Research Laboratory, Toshiba Research Europe Limited, 208 Science Park, Milton Road, Cambridge CB4 0GZ (United Kingdom)
  2. (United Kingdom)
  3. Cavendish Laboratory, University of Cambridge, J. J. Thomson Avenue, Cambridge CB3 0HE (United Kingdom)
Publication Date:
OSTI Identifier:
22300073
Resource Type:
Journal Article
Resource Relation:
Journal Name: Applied Physics Letters; Journal Volume: 104; Journal Issue: 22; Other Information: (c) 2014 AIP Publishing LLC; Country of input: International Atomic Energy Agency (IAEA)
Country of Publication:
United States
Language:
English
Subject:
75 CONDENSED MATTER PHYSICS, SUPERCONDUCTIVITY AND SUPERFLUIDITY; CARRIERS; CRYSTAL STRUCTURE; EMISSION; EXCITATION; INDIUM ARSENIDES; INTERFERENCE; LIGHT TRANSMISSION; PHOTONS; QUANTUM DOTS; RECOMBINATION; SEMICONDUCTOR MATERIALS; WAVEGUIDES