A twist on nonlinear optics: understanding the unique response of π-twisted chromophores

AJT Lou, TJ Marks - Accounts of chemical research, 2019 - ACS Publications
Conspectus Materials with large nonlinear optical (NLO) response have the ability to
manipulate the frequency and phase of incident light and exhibit phenomena that form the …

Electro‐Optic Activity in Excess of 1000 pm V−1 Achieved via Theory‐Guided Organic Chromophore Design

H Xu, DL Elder, LE Johnson, Y de Coene… - Advanced …, 2021 - Wiley Online Library
High performance organic electro‐optic (OEO) materials enable ultrahigh bandwidth, small
footprint, and extremely low drive voltage in silicon‐organic hybrid and plasmonic‐organic …

Perspective: Nanophotonic electro-optics enabling THz bandwidths, exceptional modulation and energy efficiencies, and compact device footprints

LR Dalton, J Leuthold, BH Robinson, C Haffner… - APL Materials, 2023 - pubs.aip.org
The growth of integrated photonics has driven the need for efficient, high-bandwidth
electrical-to-optical (EO) signal conversion over a broad range of frequencies (MHz–THz) …

Non-additivity of molecule-surface van der Waals potentials from force measurements

C Wagner, N Fournier, VG Ruiz, C Li, K Müllen… - Nature …, 2014 - nature.com
Van der Waals (vdW) forces act ubiquitously in condensed matter. Despite being weak on
an atomic level, they substantially influence molecular and biological systems due to their …

Lone-pair, electron-dominated, nonlinear optical responses in sulfur clusters and electric tunability properties

Q Zhong - Physical Chemistry Chemical Physics, 2023 - pubs.rsc.org
Sulfur clusters have abundant lone-pair electrons, tunable geometries, and electronic
structures, thus providing a new concept for achieving a tradeoff between transparency and …

Higher-harmonic generation in boron-doped silicon from band carriers and bound-dopant photoionization

F Meng, F Walla, S Kovalev, JC Deinert, I Ilyakov… - Physical Review …, 2023 - APS
We investigate ultrafast harmonic generation (HG) in Si: B, driven by intense pump pulses
with fields reaching∼ 100 kV cm− 1 and a carrier frequency of 300 GHz, at 4 K and 300 K …

Upper limit on shift current generation in extended systems

LZ Tan, AM Rappe - Physical Review B, 2019 - APS
Despite a long history of research into nonlinear response theory, there has been no
systematic investigation into the maximum amount of nonlinear optical response attainable …

Record Multiphoton Absorption Cross‐Sections by Dendrimer Organometalation

PV Simpson, LA Watson, A Barlow… - Angewandte Chemie …, 2016 - Wiley Online Library
Large increases in molecular two‐photon absorption, the onset of measurable molecular
three‐photon absorption, and record molecular four‐photon absorption in organic π …

Relation between nonlinear optical properties of push–pull molecules and metric of charge transfer excitations

NH List, R Zalesny, NA Murugan… - Journal of Chemical …, 2015 - ACS Publications
We establish the relationships between the metric of charge transfer excitation (Δ r) for the
bright ππ* state and the two-photon absorption probability as well as the first …

Four-Dimensional Scaling of Dipole Polarizability: From Single-Particle Models to Atoms and Molecules

S Góger, MR Karimpour… - Journal of Chemical …, 2024 - ACS Publications
Scaling laws enable the determination of physicochemical properties of molecules and
materials as a function of their size, density, number of electrons or other easily accessible …