Quantum emission from localized defects in zinc sulfide.
Optics Letters
|October 1, 2019
Summary
We discovered single-photon emitters in zinc sulfide, a material suitable for quantum technologies. These emitters exhibit specific photophysical properties, paving the way for new quantum device applications.
Area of Science:
- Quantum optics
- Solid-state physics
- Materials science
Background:
- Single-photon sources are crucial for quantum technologies.
- Solid-state systems offer potential for scalable quantum applications.
Purpose of the Study:
- To report the observation of single-photon emitters in zinc sulfide.
- To characterize their photophysical properties for quantum applications.
Main Methods:
- Photoluminescence spectroscopy
- Lifetime measurements
- Polarization analysis
Main Results:
- Observed single-photon emitters in zinc sulfide.
- Characterized a three-level system with a metastable state.
- Measured emission at ~640 nm with linear polarization and a (2.2±0.8) ns lifetime.
Conclusions:
- Zinc sulfide is a viable host for single-photon emitters.
- Its established manufacturing and material properties are advantageous for quantum technology development.
- Potential for designing tailored emitter-host pairs using zinc isotopes.
