New nanophotonics approaches for enhancing the efficiency and stability of perovskite solar cells

P Cheng, Y An, AKY Jen, D Lei - Advanced Materials, 2024 - Wiley Online Library
Over the past decade, the power conversion efficiency (PCE) of perovskite solar cells
(PSCs) has experienced a remarkable ascent, soaring from 3.8% in 2009 to a remarkable …

Ultrafast photoemission electron microscopy: imaging plasmons in space and time

M Dabrowski, Y Dai, H Petek - Chemical Reviews, 2020 - ACS Publications
Plasmonics is a rapidly growing field spanning research and applications across chemistry,
physics, optics, energy harvesting, and medicine. Ultrafast photoemission electron …

Plasmonic topological quasiparticle on the nanometre and femtosecond scales

Y Dai, Z Zhou, A Ghosh, RSK Mong, A Kubo… - Nature, 2020 - nature.com
At the interface of classical and quantum physics, the Maxwell and Schrödinger equations
describe how optical fields drive and control electronic phenomena to enable lightwave …

Laser-induced topological spin switching in a 2D van der Waals magnet

M Khela, M Da̧browski, S Khan, PS Keatley… - Nature …, 2023 - nature.com
Abstract Two-dimensional (2D) van der Waals (vdW) magnets represent one of the most
promising horizons for energy-efficient spintronic applications because their broad range of …

Spin‐manipulated photonic skyrmion‐pair for pico‐metric displacement sensing

A Yang, X Lei, P Shi, F Meng, M Lin, L Du… - Advanced …, 2023 - Wiley Online Library
Photonic spin skyrmions with deep‐subwavelength features have aroused considerable
interest in recent years. However, the manipulation of spin structure in the skyrmions in a …

Wavelength-tuned transformation between photonic skyrmion and meron spin textures

M Lin, Q Liu, H Duan, L Du, X Yuan - Applied Physics Reviews, 2024 - pubs.aip.org
Topological spin textures, among which skyrmions and merons are typical examples, have
with their swirling vectorial structures triggered enormous interest in physical systems …

Tunable photon-induced spatial modulation of free electrons

S Tsesses, R Dahan, K Wang, T Bucher, K Cohen… - Nature Materials, 2023 - nature.com
Spatial modulation of electron beams is an essential tool for various applications such as
nanolithography and imaging, yet its conventional implementations are severely limited and …

Transverse spin dynamics in structured electromagnetic guided waves

P Shi, L Du, C Li, AV Zayats, X Yuan - … of the National Academy of Sciences, 2021 - pnas.org
Spin–momentum locking, a manifestation of topological properties that governs the behavior
of surface states, was studied intensively in condensed-matter physics and optics, resulting …

Orbital angular momentum in nanoplasmonic vortices

E Prinz, M Hartelt, G Spektor, M Orenstein… - ACS …, 2023 - ACS Publications
In the past decade, optical orbital angular momentum (OAM) has entered the field of
plasmonics in the form of surface-confined vortices, generating vast interest. Here we give …

Physical conversion and superposition of optical skyrmion topologies

H Teng, J Zhong, J Chen, X Lei, Q Zhan - Photonics Research, 2023 - opg.optica.org
Optical skyrmions are quasiparticles with nontrivial topological textures that have significant
potential in optical information processing, transmission, and storage. Here, we theoretically …