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JoVE Journal

Engineering

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

9.1K Views

12:57 min

October 13th, 2017

October 13th, 2017

9,069 Views

0:05

Title

0:52

The Experimental Setup

3:02

Sample Preparation

4:08

Installation of the Excitation Objective

6:21

Alignment of Telescope Lenses in the Excitation Path

7:44

Overlap of the Photoluminescence Collection Path with the Resonant Excitation Path

9:29

Resonant Excitation of a Single Quantum Dot by Spectral Searching

10:33

Results: Resonance Fluorescence of Single Quantum Dots

11:46

Conclusion

Transkript

The overall goal of this protocol is to achieve resonant excitation of a quantum dot and simultaneous fluorescence detection using orthogonal excitation and detection modes. The realization of resonant excitation with fluorescence detection is ess

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Resonant excitation of a single self-assembled quantum dot can be achieved using an excitation mode orthogonal to the fluorescence collection mode. We demonstrate a method using the waveguide and Fabry-Perot modes of a planar microcavity surrounding the quantum dots. The method allows complete freedom in the detection polarization.

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