A perspective of twisted photonic structures

J Chen, X Lin, M Chen, T Low, H Chen, S Dai - Applied Physics Letters, 2021 - pubs.aip.org
Moiré superlattices—twisted van der Waals (vdW) structures with small angles—are
attracting increasing attention in condensed matter physics, due to important phenomena …

Second Harmonic Generation Control in 2D Layered Materials: Status and Outlook

W Huang, Y Xiao, F Xia, X Chen… - Advanced Functional …, 2024 - Wiley Online Library
Second harmonic generation (SHG) as an essential nonlinear optical effect, has gradually
shifted its research trend toward the integration and miniaturization of photonic and …

Terahertz Spin‐Conjugate Symmetry Breaking for Nonreciprocal Chirality and One‐Way Transmission Based on Magneto‐Optical Moiré Metasurface

Z Tan, F Fan, S Guan, H Wang, D Zhao, Y Ji… - Advanced …, 2023 - Wiley Online Library
In this work, the gyrotropic semiconductor InSb into the twisted bilayer metasurface to form a
magneto‐optical moiré metasurface is introduced. Through the theoretical analysis, the …

Physical mechanism of fluorescence and chirality of functionalized graphene quantum dots

L Sun, Y Chen, M Sun, Y Zheng - The Journal of Physical …, 2022 - ACS Publications
In this paper, we theoretically investigate fluorescence and chirality of graphene quantum
dots (GQDs) and functionalized GQDs (F-GQDs) in one-and two-photon absorption …

Polarization-dependent selection rules and optical spectrum atlas of twisted bilayer graphene quantum dots

Y Wang, G Yu, M Rösner, MI Katsnelson, HQ Lin… - Physical Review X, 2022 - APS
Understanding how symmetries encode optical polarization information into selection rules
in molecules and materials is important for their optoelectronic applications including …

Fluorescence and nonlinear optical response of graphene quantum dots produced by pulsed laser irradiation in toluene

P Nancy, N Joy, S Valluvadasan, R Philip, S Thomas… - Molecules, 2022 - mdpi.com
Graphene quantum dots (GQDs), the zero dimensional (0D) single nanostructures, have
many exciting technological applications in diversified fields such as sensors, light emitting …

Theory of optical activity in doped systems with application to twisted bilayer graphene

K Chang, Z Zheng, JE Sipe, JL Cheng - Physical Review B, 2022 - APS
We theoretically study the optical activity in a doped system and derive the optical activity
tensor from a light wave vector dependent linear optical conductivity. Although the light …

Enhanced interlayer coupling in twisted bilayer graphene quantum dots

X Wang, M Yang - Applied Surface Science, 2022 - Elsevier
Interaction at the interface of two layers in twist bilayer graphene (TBG) and its quantum dots
(QDs) is responsible for many of their intriguing properties. Using the block-localized …

Spin-induced nanomaterials for detection of chiral volatile organic compounds

A Maity, H Haick - Applied Physics Reviews, 2023 - pubs.aip.org
The capacity to recognize chiral Volatile Organic Compounds (VOCs) is a noteworthy
element in many areas, for example, chemistry, pharmacology, and ecological observing …

Chiral Optical Properties of Möbius Graphene Nanostrips

ME Razzhivina, ID Rukhlenko… - The Journal of Physical …, 2023 - ACS Publications
The advancement of optical technology demands the development of chiral nanostructures
with a strong dissymmetry of optical response. Here, we comprehensively analyze the chiral …