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Related Experiment Video

Updated: Jun 5, 2026

Label-free Single Molecule Detection Using Microtoroid Optical Resonators
08:53

Label-free Single Molecule Detection Using Microtoroid Optical Resonators

Published on: December 29, 2015

Monolithic diamond optics for single photon detection.

P Siyushev, F Kaiser, V Jacques

    Applied Physics Letters
    |January 12, 2011
    PubMed
    Summary
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    Researchers developed a simple method using a diamond solid immersion lens to significantly boost light collection from single emitters. This technique enhances both excitation and detection efficiency by tenfold for quantum applications.

    Area of Science:

    • Optics and Photonics
    • Quantum Information Science
    • Materials Science

    Background:

    • Single emitters are crucial for quantum technologies.
    • Efficient light collection is a key challenge in quantum optics.
    • Diamond is a promising host material for single photon sources.

    Purpose of the Study:

    • To demonstrate a novel and simple method for enhancing light collection efficiency from single emitters.
    • To improve the excitation and detection rates of single emitters using readily available optical components.
    • To validate theoretical predictions regarding efficiency enhancement.

    Main Methods:

    • Utilized off-the-shelf optical elements.
    • Fabricated a solid immersion lens from diamond.

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    Last Updated: Jun 5, 2026

    Label-free Single Molecule Detection Using Microtoroid Optical Resonators
    08:53

    Label-free Single Molecule Detection Using Microtoroid Optical Resonators

    Published on: December 29, 2015

    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

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    High Pressure Single Crystal Diffraction at PX^2

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  • Integrated the diamond solid immersion lens with a single emitter system.
  • Experimentally measured excitation and detection efficiencies.

    • Main Results:

    • Achieved a tenfold (one order of magnitude) improvement in collection efficiency.
    • Demonstrated enhanced excitation and detection of single emitters.
    • Experimental results align with theoretical predictions.

    Conclusions:

    • The developed method offers a significant and practical enhancement for single emitter studies.
    • Diamond solid immersion lenses are effective for improving light collection in quantum systems.
    • This approach provides a scalable solution for boosting quantum device performance.