Parametric nonlinear optics with layered materials and related heterostructures

O Dogadov, C Trovatello, B Yao… - Laser & Photonics …, 2022 - Wiley Online Library
Nonlinear optics is of crucial importance in several fields of science and technology with
applications in frequency conversion, entangled‐photon generation, self‐referencing of …

Valleytronics meets straintronics: valley fine structure engineering of 2D transition metal dichalcogenides

S Yang, H Long, W Chen, B Sa, Z Guo… - Advanced Optical …, 2024 - Wiley Online Library
Abstract 2D transition metal dichalcogenides (TMDs) have emerged as a novel class of
semiconductors with promising applications in optoelectronics, owing to their rich and …

Many-body perturbation theory calculations using the yambo code

D Sangalli, A Ferretti, H Miranda… - Journal of physics …, 2019 - iopscience.iop.org
Abstract yambo is an open source project aimed at studying excited state properties of
condensed matter systems from first principles using many-body methods. As input, yambo …

Photoexcitation dynamics and long‐lived excitons in strain‐engineered transition metal dichalcogenides

N Mondal, N Azam, YN Gartstein… - Advanced …, 2022 - Wiley Online Library
Strain‐engineering in 2D transition metal dichalcogenide (TMD) semiconductors has
garnered intense research interest in tailoring the optical properties via strain‐induced …

Chirality-Dependent Dynamic Evolution for Trions in Monolayer WS2

B **ang, R Wang, Y Chen, Y Wang, T Qin, M Zhang… - Nano Letters, 2024 - ACS Publications
Monolayer transition metal dichalcogenides exhibit valley-dependent excitonic characters
with a large binding energy, acting as the building block for future optoelectronic …

Narrow-band high-lying excitons with negative-mass electrons in monolayer WSe2

KQ Lin, CS Ong, S Bange, PE Faria Junior… - Nature …, 2021 - nature.com
Monolayer transition-metal dichalcogenides (TMDCs) show a wealth of exciton physics.
Here, we report the existence of a new excitonic species, the high-lying exciton (HX), in …

Uncovering temperature-dependent exciton-polariton relaxation mechanisms in hybrid organic-inorganic perovskites

M Laitz, AEK Kaplan, J Deschamps, U Barotov… - Nature …, 2023 - nature.com
Hybrid perovskites have emerged as a promising material candidate for exciton-polariton
(polariton) optoelectronics. Thermodynamically, low-threshold Bose-Einstein condensation …

Strain-Dependent Band Splitting and Spin-Flip Dynamics in Monolayer WS2

S Yang, W Chen, B Sa, Z Guo, J Zheng, J Pei… - Nano Letters, 2023 - ACS Publications
Triggered by the expanding demands of semiconductor devices, strain engineering of two-
dimensional transition metal dichalcogenides (TMDs) has garnered considerable research …

Ultrafast Electronic Relaxation Dynamics of Atomically Thin MoS2 Is Accelerated by Wrinkling

C Xu, G Zhou, EM Alexeev, AR Cadore, I Paradisanos… - Acs Nano, 2023 - ACS Publications
Strain engineering is an attractive approach for tuning the local optoelectronic properties of
transition metal dichalcogenides (TMDs). While strain has been shown to affect the …

Nonlinear all‐optical coherent generation and read‐out of valleys in atomically thin semiconductors

P Herrmann, S Klimmer, T Lettau, M Monfared, I Staude… - Small, 2023 - Wiley Online Library
With conventional electronics reaching performance and size boundaries, all‐optical
processes have emerged as ideal building blocks for high speed and low power …