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Updated: Jul 14, 2026

Resonance Fluorescence of an InGaAs Quantum Dot in a Planar Cavity Using Orthogonal Excitation and Detection
Published on: October 13, 2017
Photon correlation versus interference of single-atom fluorescence in a half-cavity.
François Dubin1, Daniel Rotter, Manas Mukherjee
1Institute for Experimental Physics, University of Innsbruck, Technikerstrasse 25, A-6020 Innsbruck, Austria.
Researchers studied photon correlations from a single trapped ion near a mirror. Changing the ion-mirror distance tunes photon statistics, revealing insights into non-Markovian interactions and half-cavity field dynamics.
Area of Science:
- Atomic, Molecular, and Optical Physics
- Quantum Optics
Background:
- Single trapped ions are crucial for quantum information processing.
- Photon correlations reveal fundamental light-matter interactions.
- The influence of reflective surfaces on atomic emission is key to understanding quantum emitters.
Purpose of the Study:
- To investigate photon correlation statistics of a single laser-excited ion near a mirror.
- To explore the tunability of these correlations by varying the ion-mirror distance.
- To analyze the non-Markovian interaction regime and the resulting optical field establishment.
Main Methods:
- Trapping a single ion using laser excitation.
- Utilizing a mirror to create a half-cavity configuration.
- Measuring photon correlations at varying ion-mirror distances.
Main Results:
- Photon correlation statistics were smoothly tuned from antibunching to bunchinglike behavior.
- The observed behavior is dependent on the ion-mirror separation distance.
- The non-Markovian regime of ion-mirror interaction was analyzed.
Conclusions:
- The ion-mirror distance provides a method to control photon statistics.
- The study provides insights into quantum field establishment in a half-cavity.
- This work contributes to understanding quantum emitters in structured environments.
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