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A lithographic approach for quantum dot-photonic crystal nanocavity coupling in dilute nitrides

Microelectronic Engineering, ISSN: 0167-9317, Vol: 174, Page: 16-19
2017
  • 11
    Citations
  • 0
    Usage
  • 17
    Captures
  • 0
    Mentions
  • 0
    Social Media
Metric Options:   Counts1 Year3 Year

Metrics Details

  • Citations
    11
    • Citation Indexes
      11
  • Captures
    17

Article Description

We report on a novel lithographic approach for the fabrication of integrated quantum dot (QD)-photonic crystal (PhC) nanocavity systems. We exploit unique hydrogen's ability to tailor the band gap energy of dilute nitride semiconductors to fabricate isolated site-controlled QDs via a spatially selective hydrogenation at the nanometer-scale. A deterministic integration of the realized site-controlled QDs with PhC nanocavities is provided by the inherent realignment precision (~ 20 nm) of the electron beam lithography system used for the fabrication of both QDs and PhC cavities. A detailed description of the fabrication steps leading to the realization of integrated QD-PhC cavity systems is provided, together with the experimental evidence of a weak coupling effect between the single-photon emitter and the PhC cavity.

Bibliographic Details

G. Pettinari; A. Gerardino; L. Businaro; A. Polimeni; M. Capizzi; M. Hopkinson; S. Rubini; F. Biccari; F. Intonti; A. Vinattieri; M. Gurioli; M. Felici

Elsevier BV

Materials Science; Physics and Astronomy; Engineering

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