Van der Waals materials for nanophotonics and laser devices

Yue Wang; Isabel Barth; Manuel Deckart; Donato Conteduca; Guilherme S. Arruda; Panaiot G. Zotev; Sam Randerson; Alexander Tartakovskii; Zeki Hayran; Francesco Monticone; Thomas F. Krauss; Emiliano R. Martins

doi:10.1117/12.3026846

3 October 2024 Van der Waals materials for nanophotonics and laser devices

Yue Wang, Isabel Barth, Manuel Deckart, Donato Conteduca, Guilherme S. Arruda, Panaiot G. Zotev, Sam Randerson, Alexander Tartakovskii, Zeki Hayran, Francesco Monticone, Thomas F. Krauss, Emiliano R. Martins

Author Affiliations +

Proceedings Volume PC13110, Active Photonic Platforms (APP) 2024; PC131100Y (2024) https://doi.org/10.1117/12.3026846
Event: Nanoscience + Engineering, 2024, San Diego, California, United States

Abstract

We will present how to fabricate nanoantennas and metasurfaces in van der Waarls (vdW) materials in a variety of geometries and a range of photonic applications. We observed Mie resonances as well as strong coupling between the excitonic features and anapole modes in the vdW nanoantenna. Due to the weak vdW interactions of the nanoresonators and the substrate, we were able to use an atomic force microscopy cantilever in the repositioning of double-pillar nanoantennas to achieve ultra-small gaps of 10 nm. By employing a monolayer of WS2 as the gain material, we observe room temperature Purcell enhancement of emission as well as low temperature formation of single photon emitters with enhanced quantum efficiencies. More recently, we have also achieved bound states in the continuum ultra-low threshold lasing with these materials, highlighting the vdW materials as a promising platform for optoelectronic devices.

Conference Presentation

Citation Download Citation

Yue Wang, Isabel Barth, Manuel Deckart, Donato Conteduca, Guilherme S. Arruda, Panaiot G. Zotev, Sam Randerson, Alexander Tartakovskii, Zeki Hayran, Francesco Monticone, Thomas F. Krauss, and Emiliano R. Martins "Van der Waals materials for nanophotonics and laser devices", Proc. SPIE PC13110, Active Photonic Platforms (APP) 2024, PC131100Y (3 October 2024); https://doi.org/10.1117/12.3026846

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KEYWORDS

Quantum nanophotonics

Nanoantennas

Quantum enhancement

Quantum bounds

Quantum efficiency

Quantum emitters

Refractive index

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