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Updated: Jun 25, 2026

Measurement of Quantum Interference in a Silicon Ring Resonator Photon Source
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Measurement of Quantum Interference in a Silicon Ring Resonator Photon Source

Published on: April 4, 2017

Solid-state single photon sources: the nanowire antenna.

I Friedler1, C Sauvan, J P Hugonin

  • 1Laboratoire Charles Fabry de l'Institut d'Optique, CNRS, Univ Paris-Sud, Campus Polytechnique, RD 128, 91127 Palaiseau, France.

Optics Express
|February 17, 2009
PubMed
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We developed quantum dot-semiconductor nanowire single-photon sources with engineered tapers. These nanoantennas achieve over 90% photon extraction efficiency across a broad spectral range.

Area of Science:

  • Quantum optics
  • Nanophotonics
  • Semiconductor physics

Background:

  • Quantum dots are promising for single-photon emission.
  • Efficiently coupling photons from quantum emitters into optical modes remains a challenge.

Purpose of the Study:

  • To design and analyze single-photon sources utilizing quantum dots in semiconductor nanowires.
  • To engineer nanowire geometries for enhanced light extraction and directionality.

Main Methods:

  • Fabrication of quantum dot-embedded GaAs nanowires with tapered ends.
  • Numerical simulations using fully-vectorial calculations.
  • Application of a comprehensive Fabry-Perot model to analyze optical properties.

Main Results:

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Fabrication of 1-D Photonic Crystal Cavity on a Nanofiber Using Femtosecond Laser-induced Ablation
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Related Experiment Videos

Last Updated: Jun 25, 2026

Measurement of Quantum Interference in a Silicon Ring Resonator Photon Source
12:19

Measurement of Quantum Interference in a Silicon Ring Resonator Photon Source

Published on: April 4, 2017

Colloidal Synthesis of Nanopatch Antennas for Applications in Plasmonics and Nanophotonics
09:12

Colloidal Synthesis of Nanopatch Antennas for Applications in Plasmonics and Nanophotonics

Published on: May 28, 2016

Fabrication of 1-D Photonic Crystal Cavity on a Nanofiber Using Femtosecond Laser-induced Ablation
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Fabrication of 1-D Photonic Crystal Cavity on a Nanofiber Using Femtosecond Laser-induced Ablation

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  • Engineered nanowire tapers act as efficient nanoantennas (0.05 lambda(3)).
  • Predicted photon extraction efficiencies exceeding 90% for NA=0.85 collection optics.
  • Broad spectral operation (Deltalambda=70 nm at lambda=950 nm) due to the absence of frequency-selective elements.

Conclusions:

  • Semiconductor nanowires with tailored geometries can serve as highly efficient single-photon sources.
  • The nanoantenna approach enables broadband, high-efficiency photon extraction.
  • This design offers a pathway towards practical, high-performance quantum light sources.