Excitonic devices with van der Waals heterostructures: valleytronics meets twistronics

A Ciarrocchi, F Tagarelli, A Avsar, A Kis - Nature Reviews Materials, 2022 - nature.com
Abstract 2D semiconducting transition metal dichalcogenides comprise an emerging class of
materials with distinct properties, including large exciton binding energies that reach …

Optical metasurfaces for energy conversion

E Cortés, FJ Wendisch, L Sortino, A Mancini… - Chemical …, 2022 - ACS Publications
Nanostructured surfaces with designed optical functionalities, such as metasurfaces, allow
efficient harvesting of light at the nanoscale, enhancing light–matter interactions for a wide …

[HTML][HTML] Ten years of spasers and plasmonic nanolasers

SI Azzam, AV Kildishev, RM Ma, CZ Ning… - Light: Science & …, 2020 - nature.com
Ten years ago, three teams experimentally demonstrated the first spasers, or plasmonic
nanolasers, after the spaser concept was first proposed theoretically in 2003. An overview of …

Giant Enhancement of Continuous Wave Second Harmonic Generation from Few-Layer GaSe Coupled to High-Q Quasi Bound States in the Continuum

Z Liu, J Wang, B Chen, Y Wei, W Liu, J Liu - Nano Letters, 2021 - ACS Publications
Two-dimensional (2D) layered materials such as GaSe recently have emerged as novel
nonlinear optical materials with exceptional properties. Although exhibiting large nonlinear …

Enhanced light–matter interaction in two-dimensional transition metal dichalcogenides

L Huang, A Krasnok, A Alú, Y Yu… - Reports on Progress …, 2022 - iopscience.iop.org
Abstract Two-dimensional (2D) transition metal dichalcogenide (TMDC) materials, such as
MoS 2, WS 2, MoSe 2, and WSe 2, have received extensive attention in the past decade due …

Interfacial charge and energy transfer in van der Waals heterojunctions

Z Hu, X Liu, PL Hernández‐Martínez, S Zhang, P Gu… - InfoMat, 2022 - Wiley Online Library
Van der Waals heterojunctions are fast‐emerging quantum structures fabricated by the
controlled stacking of two‐dimensional (2D) materials. Owing to the atomically thin …

Gate-Tunable Plasmon-Enhanced Photodetection in a Monolayer MoS2 Phototransistor with Ultrahigh Photoresponsivity

HY Lan, YH Hsieh, ZY Chiao, D Jariwala, MH Shih… - Nano Letters, 2021 - ACS Publications
Monolayer transition metal dichalcogenides (TMDs), direct bandgap materials with an
atomically thin nature, are promising materials for electronics and photonics, especially at …

Radiative control of dark excitons at room temperature by nano-optical antenna-tip Purcell effect

KD Park, T Jiang, G Clark, X Xu, MB Raschke - Nature nanotechnology, 2018 - nature.com
Excitons, Coulomb-bound electron–hole pairs, are elementary photo-excitations in
semiconductors that can couple to light through radiative relaxation. In contrast, dark …

Mechanisms and applications of steady-state photoluminescence spectroscopy in two-dimensional transition-metal dichalcogenides

M Tebyetekerwa, J Zhang, Z Xu, TN Truong, Z Yin… - ACS …, 2020 - ACS Publications
Two-dimensional (2D) transition-metal dichalcogenide (TMD) semiconductors exhibit many
important structural and optoelectronic properties, such as strong light–matter interactions …

High quality factor toroidal resonances in dielectric metasurfaces

J Jeong, MD Goldflam, S Campione, JL Briscoe… - Acs …, 2020 - ACS Publications
Toroidal moment is an electromagnetic excitation that lies outside the familiar picture of
electric and magnetic multipoles. It has recently been a topic of intense research in the fields …