Highly nonlinear optical organic crystals for efficient terahertz wave generation, detection, and applications

SJ Kim, BJ Kang, U Puc, WT Kim… - Advanced Optical …, 2021 - Wiley Online Library
Organic π‐conjugated crystals with second‐order optical nonlinearity are considerably
attractive materials for diverse terahertz (THz) wave photonics. An overview of the research …

Terahertz wave interaction with metallic nanostructures

JH Kang, DS Kim, M Seo - Nanophotonics, 2018 - degruyter.com
Understanding light interaction with metallic structures provides opportunities of
manipulation of light, and is at the core of various research areas including terahertz (THz) …

Nonlinear THz‐nano metasurfaces

T Dong, S Li, M Manjappa, P Yang… - Advanced Functional …, 2021 - Wiley Online Library
Extreme terahertz (THz) science and technologies, the next disruptive frontier in nonlinear
optics, provide multifaceted capabilities for exploring strong light‐matter interactions in a …

Optical generation of strong-field terahertz radiation and its application in nonlinear terahertz metasurfaces

Z Ma, P Li, S Chen, X Wu - Nanophotonics, 2022 - degruyter.com
Extremely nonlinear terahertz (THz)-matter interactions and applications have positioned
themselves as the next frontier in quantum information, nonlinear optics, and particle …

[HTML][HTML] Ultrafast THz-driven electron emission from metal metasurfaces

SL Lange, NK Noori, TMB Kristensen… - Journal of Applied …, 2020 - pubs.aip.org
Field-driven emission of electrons from metals is a technology that has had a large impact
on science and society over the past century, for instance, in early and contemporary …

Ultrafast strong-field terahertz nonlinear nanometasurfaces

J Cai, S Chen, C Geng, J Li, B Quan, X Wu - Nanophotonics, 2023 - degruyter.com
Abstract Strong-field terahertz (THz)–matter interaction permits the investigation of
nonequilibrium behaviors in the nonperturbative zone. However, the unavailability of a high …

Large‐Area Metal Gaps and Their Optical Applications

YM Bahk, DS Kim, HR Park - Advanced Optical Materials, 2019 - Wiley Online Library
Recent technological advances in fabrication methods have allowed researchers to
manipulate light–matter interactions in the subwavelength region and develop a wide variety …

Ultrafast snapshots of terahertz electric potentials across ring-shaped quantum barriers

T Kang, RHJ Kim, J Lee, M Seo, DS Kim - Nanophotonics, 2024 - degruyter.com
Probing the time evolution of the terahertz electric field within subwavelength dimensions
plays a crucial role in observing the nanoscale lightwave interactions with fundamental …

Terahertz rectification in ring-shaped quantum barriers

T Kang, RHJY Kim, G Choi, J Lee, H Park… - Nature …, 2018 - nature.com
Tunneling is the most fundamental quantum mechanical phenomenon with wide-ranging
applications. Matter waves such as electrons in solids can tunnel through a one-dimensional …

[HTML][HTML] Terahertz metamaterials for biomolecule sensing based on symmetry-broken unit resonators

H Ryu, JH Kang, SH Lee - Results in Physics, 2023 - Elsevier
Terahertz waves have gained attention owing to their potential for various bio-applications,
including broadband spectroscopy, imaging, and sensing. For development of practical …