Boosting Light− Matter Interactions in Plasmonic Nanogaps

Y Li, W Chen, X He, J Shi, X Cui, J Sun… - Advanced …, 2024 - Wiley Online Library
Plasmonic nanogaps in strongly coupled metal nanostructures can confine light to
nanoscale regions, leading to huge electric field enhancement. This unique capability …

Development of hard masks for reactive ion beam angled etching of diamond

C Chia, B Machielse, A Shams-Ansari, M Lončar - Optics Express, 2022 - opg.optica.org
Diamond offers good optical properties and hosts bright color centers with long spin
coherence times. Recent advances in angled-etching of diamond, specifically with reactive …

Plasmonic Diamond Membranes for Ultrafast Silicon Vacancy Emission

AM Boyce, H Li, NC Wilson, D Acil, A Shams-Ansari… - Nano Letters, 2024 - ACS Publications
Silicon vacancy centers (SiVs) in diamond have emerged as a promising platform for
quantum sciences due to their excellent photostability, minimal spectral diffusion, and …

Optical-to-microwave frequency conversion with Rydberg excitons

D Ziemkiewicz, S Zielińska-Raczyńska - Physical Review B, 2023 - APS
A copper-based plasmonic system is presented to provide optical-to-microwave photon
conversion. The process uses highly excited levels in Cu 2 O Rydberg excitons and takes …

High-Q Fano resonances in diamond nanopillars

V Bonino, A Angelini - Optical Materials Express, 2023 - opg.optica.org
We report on the optical behaviour of a nanostructured diamond surface on a glass
substrate. The numerical model reveals that a simple geometrical pattern sustains Fano-like …

Localized nitrogen-vacancy centers generated by low-repetition rate fs-laser pulses

C Oncebay, JMP Almeida, GFB Almeida… - Diamond and Related …, 2022 - Elsevier
Among hundreds of impurities and defects in diamond, the nitrogen-vacancy (NV) center is
one of the most interesting to be used as a platform for quantum technologies and …

Telecommunication-wavelength two-dimensional photonic crystal cavities in a thin single-crystal diamond membrane

K Kuruma, AH Piracha, D Renaud, C Chia… - Applied Physics …, 2021 - pubs.aip.org
We demonstrate two-dimensional photonic crystal cavities operating at telecommunication
wavelengths in a single-crystal diamond membrane. We use a high-optical-quality and thin …

Terahertz structured deep-subwavelength plasmonic grating metasurface for manipulating polarization-dependent coupling response

YM Wang, F Fan, HJ Zhao, SS Li, ST Xu… - Journal of Physics D …, 2024 - iopscience.iop.org
The complex electromagnetic anisotropy of terahertz (THz) metasurfaces with geometric
symmetry breaking has attracted extensive attention. Typical effects arise from the coupling …

Evaluation of the surface topography quality of large-area diamonds by image processing and mathematical modeling

Y Zhou, Y Wang, P Zeng, Z Ji, Q Wang, F Fan… - Optical Materials …, 2022 - opg.optica.org
Diamond with ultra-smooth and flat surface plays a crucial role in the various fields of
nonlinear optics, NV center, waveguide, and so on, due to its remarkable physical …

[HTML][HTML] Biologically-Inspired Water-Swelling-Driven Fabrication of Centimeter-Level Metallic Nanogaps

L Wang, Y Wang, M Dai, Q Zhao, X Wang - Micromachines, 2021 - mdpi.com
Metallic nanogaps have great values in plasmonics devices. However, large-area and low-
cost fabrication of such nanogaps is still a huge obstacle, hindering their practical use. In this …