Polarization and Localization of Single-Photon Emitters in Hexagonal Boron Nitride Wrinkles
| Autor: | Gichang Noh, Jieun Lee, Donggyu Yim, Mihyang Yu, Hosung Seo |
|---|---|
| Rok vydání: | 2020 |
| Předmět: |
Condensed Matter - Materials Science
Photon Materials science Condensed Matter - Mesoscale and Nanoscale Physics business.industry Materials Science (cond-mat.mtrl-sci) FOS: Physical sciences Physics::Optics Hexagonal boron nitride 02 engineering and technology 021001 nanoscience & nanotechnology Polarization (waves) 01 natural sciences Condensed Matter::Materials Science Mesoscale and Nanoscale Physics (cond-mat.mes-hall) 0103 physical sciences Optoelectronics General Materials Science 010306 general physics 0210 nano-technology business Nonlinear Sciences::Pattern Formation and Solitons |
| Zdroj: | ACS Applied Materials & Interfaces. 12:36362-36369 |
| ISSN: | 1944-8252 1944-8244 |
| Popis: | Color centers in 2-dimensional hexagonal boron nitride (h-BN) have recently emerged as stable and bright single-photon emitters (SPEs) operating at room temperature. In this study, we combine theory and experiment to show that vacancy-based SPEs selectively form at nano-scale wrinkles in h-BN with its optical dipole preferentially aligned to the wrinkle direction. By using density functional theory calculations, we find that the wrinkle curvature plays a crucial role in localizing vacancy-based SPE candidates and aligning the defects symmetry plane to the wrinkle direction. By performing optical measurements on SPEs created in h-BN single-crystal flakes, we experimentally confirm the wrinkle-induced generation of SPEs and their polarization alignment to the wrinkle direction. Our results not only provide a new route to controlling the atomic position and the optical property of the SPEs but also revealed the possible crystallographic origin of the SPEs in h-BN, greatly enhancing their potential for use in solid-state quantum photonics and quantum information processing. 32 pages including supplementary information, 4 figures |
| Databáze: | OpenAIRE |
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