Detecting the vector of nanoscale light field with atomic defect
At a Glance
Section titled âAt a Glanceâ| Metadata | Details |
|---|---|
| Publication Date | 2023-01-01 |
| Journal | Chinese Optics Letters |
| Authors | Qiyu Wang, Zehao Wang, Xiang-Dong Chen, FangâWen Sun |
| Institutions | University of Science and Technology of China |
| Citations | 4 |
Abstract
Section titled âAbstractâModulation of a vector light field has played an important role in the research of nanophotonics. However, it is still a great challenge to accurately measure the three-dimensional vector distribution at nanoscale. Here, based on the interaction between the light field and atomic-sized nitrogen-vacancy (NV) color center in diamonds, we demonstrate an efficient method for vectorial mapping of the light-field distribution at nanoscale. Single NV centers with different but well-defined symmetry axes are selected and then interact with the same tightly focused light field. The excitation of a single NV center is related to the angle between the NV center axis and the polarization of the light field. Then the fluorescence patterns of different NV centers provide the information on the vectorial light field distribution. Subsequently analyzing the fluorescence patterns with the help of a deep neural network, the intensity and phase of the light-field vectorial components are fully reconstructed with nanometer resolution. The experimental results are in agreement with theoretical calculations. It demonstrates that our method can help to study light-matter interaction at nanoscale and extend the application of vector light fields in research on nanophotonics.
Tech Support
Section titled âTech SupportâOriginal Source
Section titled âOriginal SourceâReferences
Section titled âReferencesâ- 2022 - Square Maxwellâs fish-eye lens for near-field broadband achromatic super-resolution imaging [Crossref]
- 2013 - Far-field imaging of non-fluorescent species with subdiffraction resolution [Crossref]
- 2009 - STED microscopy reveals crystal colour centres with nanometric resolution [Crossref]
- 2010 - On the experimental investigation of the electric and magnetic response of a single nano-structure [Crossref]
- 2016 - Photoinduced magnetic nanoprobe excited by an azimuthally polarized vector beam [Crossref]
- 2014 - Polarization tailored light driven directional optical nanobeacon [Crossref]
- 2022 - Toroidal vortices of light [Crossref]
- 2015 - Observation of optical polarization Mobius strips [Crossref]
- 2018 - Reconstructing the topology of optical polarization knots [Crossref]
- 2021 - Topological photonic states in artificial microstructures [Crossref]