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Related Experiment Video

Updated: May 17, 2026

Resonance Fluorescence of an InGaAs Quantum Dot in a Planar Cavity Using Orthogonal Excitation and Detection
12:57

Resonance Fluorescence of an InGaAs Quantum Dot in a Planar Cavity Using Orthogonal Excitation and Detection

Published on: October 13, 2017

On-chip quantum optics with quantum dot microcavities.

E Stock1, F Albert, C Hopfmann

  • 1Institut für Festkörperphysik, Technische Universität Berlin, Germany.

Advanced Materials (Deerfield Beach, Fla.)
|October 10, 2012
PubMed
Summary
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This study introduces on-chip quantum optics with an electrically pumped microlaser exciting a quantum dot microcavity. This breakthrough enables integrated photonic networks for quantum technologies.

Area of Science:

  • Quantum optics
  • Cavity quantum electrodynamics
  • Solid-state physics

Background:

  • Quantum dot microcavity systems are crucial for quantum information processing.
  • On-chip integration of quantum optical components remains a challenge.
  • Electrically pumped microlasers offer a compact and efficient light source.

Purpose of the Study:

  • To present a novel concept for on-chip quantum optics.
  • To demonstrate the resonant excitation of a quantum dot microcavity system using an internal microlaser.
  • To explore the potential for integrating microcavity structures into larger photonic networks.

Main Methods:

  • Development of an on-chip system integrating an electrically pumped microlaser with a quantum dot microcavity.
  • Operation of the system in the weak coupling regime of cavity quantum electrodynamics.

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Silicon Metal-oxide-semiconductor Quantum Dots for Single-electron Pumping
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Silicon Metal-oxide-semiconductor Quantum Dots for Single-electron Pumping

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Synthesis and Operation of Fluorescent-core Microcavities for Refractometric Sensing
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Synthesis and Operation of Fluorescent-core Microcavities for Refractometric Sensing

Published on: March 13, 2013

Related Experiment Videos

Last Updated: May 17, 2026

Resonance Fluorescence of an InGaAs Quantum Dot in a Planar Cavity Using Orthogonal Excitation and Detection
12:57

Resonance Fluorescence of an InGaAs Quantum Dot in a Planar Cavity Using Orthogonal Excitation and Detection

Published on: October 13, 2017

Silicon Metal-oxide-semiconductor Quantum Dots for Single-electron Pumping
14:58

Silicon Metal-oxide-semiconductor Quantum Dots for Single-electron Pumping

Published on: June 3, 2015

Synthesis and Operation of Fluorescent-core Microcavities for Refractometric Sensing
08:12

Synthesis and Operation of Fluorescent-core Microcavities for Refractometric Sensing

Published on: March 13, 2013

  • Characterization of the resonant excitation process.

    • Main Results:

    • Successful demonstration of resonant excitation of the quantum dot microcavity by the on-chip microlaser.
    • First on-chip application of quantum dot microlasers reported.
    • Validation of the weak coupling regime operation.

    Conclusions:

    • The presented concept enables on-chip quantum optics with integrated microlasers.
    • This work paves the way for scalable photonic networks for quantum applications.
    • The quantum dot microlaser approach offers a promising route for future quantum technologies.