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Deterministic formation of carbon-functionalized quantum emitters in hexagonal boron nitride
Manlin Luo1, Junyu Ge2, Pengru Huang3
1School of Electrical and Electronic Engineering, Nanyang Technological University, Singapore, Singapore.
Researchers developed a simple ultrasonic nanoindentation method to create specific carbon-based single-photon emitters in hexagonal boron nitride (hBN). This scalable technique enables precise control over defect creation for quantum photonics applications.
Area of Science:
- Quantum photonics
- Materials science
- Solid-state physics
Background:
- Single-photon emitters (SPEs) in hexagonal boron nitride (hBN) are crucial for quantum technologies.
- Deterministic creation of SPEs at specific locations and with desired properties remains a significant challenge.
Purpose of the Study:
- To develop a straightforward and scalable method for site-deterministic generation of carbon-functionalized quantum emitters in hBN.
- To investigate the origin of quantum emission from these engineered defects.
Main Methods:
- Ultrasonic nanoindentation was employed to introduce carbon atoms into the hBN lattice.
- Comprehensive experimental analyses, including spectroscopy, were performed to characterize the SPEs.
- Theoretical studies were conducted to identify potential structural origins of the defects.
Main Results:
- Site-deterministic, high-quality single-photon emitters (SPEs) were successfully generated in hBN using ultrasonic nanoindentation.
- The introduced carbon atoms were identified as the source of robust quantum emission.
- The method allows for the scalable fabrication of large arrays of SPEs in a single step.
Conclusions:
- Ultrasonic nanoindentation offers a rapid and scalable approach for creating site-deterministic, carbon-functionalized SPEs in hBN.
- This technique facilitates the investigation of defect origins in two-dimensional (2D) materials.
- The method holds promise for advancing quantum photonics and related fields.
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