Towards intense ultra-broadband high repetition rate terahertz sources based on organic crystals

S Mansourzadeh, T Vogel, A Omar… - Optical Materials …, 2023 - opg.optica.org
Increasing the average power of broadband, few-cycle terahertz (THz) sources is currently a
topic of intense investigation, fueled by recent immense progress in high average power …

Nanoencapsulation-induced second harmonic generation in pillararene-based host–guest complex cocrystals

H Liang, Y Yang, L Shao, W Zhu, X Liu… - Journal of the …, 2023 - ACS Publications
The features of molecularly preferable centrosymmetric arrangements exclude organic
nonlinear optical (NLO) materials for second harmonic generation (SHG) when used in the …

Role of donors in triggering second order non-linear optical properties of non-fullerene FCO-2FR1 based derivatives: A theoretical perspective

M Khalid, M Khan, I Shafiq, K Mahmood, MN Akhtar… - Heliyon, 2023 - cell.com
The organic compounds are known as an emerging class in the field of nonlinear optical
(NLO) materials. In this paper, D–π–A configured oxygen containing organic chromophores …

Broadband, high power THz source at 540 kHz using organic crystal BNA

S Mansourzadeh, T Vogel, A Omar, M Shalaby… - APL Photonics, 2023 - pubs.aip.org
We demonstrate efficient optical rectification in the organic crystal BNA (N-benzyl-2-methyl-4-
nitroaniline), driven by a temporally compressed, commercially available industrial Yb-laser …

[HTML][HTML] Present and future of terahertz integrated photonic devices

S Rajabali, IC Benea-Chelmus - Apl Photonics, 2023 - pubs.aip.org
Photonic integrated circuits have benefited many fields in the natural sciences. Their
nanoscale patterning has led to the discovery of novel sources and detectors from ultraviolet …

Recent Progress in Design of Organic Electro‐optic Materials with Ultrahigh Electro‐optic Activities

H Xu, Y Sun, Y Kan, K Gao - Chinese Journal of Chemistry, 2022 - Wiley Online Library
Comprehensive Summary Rationally designed organic electro‐optic (OEO) materials
demonstrate ultra‐large electro‐optic (EO) activities, affording inorganic‐organic hybrid …

Engineering hydrogen bonding to align molecular dipoles in organic solids for efficient second harmonic generation

R Zhao, T Zhu, S Wang, C Jarrett-Wilkins… - Chemical …, 2022 - pubs.rsc.org
Considering nearly infinite design possibilities, organic second harmonic generation (SHG)
molecules are believed to have long-term promise. However, because of the tendency to …

Phonon‐Suppressing Intermolecular Adhesives: Catechol‐Based Broadband Organic THz Generators

GE Yoon, JH Seok, U Puc, BR Shin, W Yoon… - Advanced …, 2022 - Wiley Online Library
Solid‐state molecular phonons play a crucial role in the performance of diverse photonic
and optoelectronic devices. In this work, new organic terahertz (THz) generators based on a …

A New Class of Organic Crystals with Extremely Large Hyperpolarizability: Efficient THz Wave Generation with Wide Flat‐Spectral‐Band

SJ Kim, IC Yu, DJ Kim, M Jazbinsek… - Advanced Functional …, 2023 - Wiley Online Library
In organic π‐conjugated crystals, enhancing molecular optical nonlinearity of chromophores
(eg, first hyperpolarizability β≥ 300× 10− 30 esu) in most cases unfortunately results in zero …

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 …