Article
Chemistry, Multidisciplinary
Qi Ai, Florian Sterl, Han Zhang, Jianfang Wang, Harald Giessen
Summary: A high-quality plasmon-fiber cavity in a doubly resonant configuration can exhibit second-harmonic generation with significant enhancement compared to gold nanoparticles. By carefully adjusting the fiber size and tuning the plasmon response of a gold nanoparticle, a giant SH response with high conversion efficiency can be achieved under the doubly resonant condition.
Article
Nanoscience & Nanotechnology
Yang Li, Guanqing Zhang, Yutao Tang, Xuecai Zhang, Wenfeng Cai, Yanjun Liu, Tun Cao, Guixin Li
Summary: A metal-silicon hybrid metasurface is proposed to generate strong third harmonic signals from an amorphous silicon film. By integrating the film into a gold plasmonic nanocavity and controlling the periods of the gold meta-atoms, the efficiency of the third harmonic generation process is greatly enhanced and provides new routes for developing silicon photonic devices with high optical nonlinearity.
Article
Nanoscience & Nanotechnology
Qing Leng, Huanhuan Su, Jianqiang Liu, Lin Zhou, Kang Qin, Qianjin Wang, Junqi Fu, Shan Wu, Xuejin Zhang
Summary: The study investigates the second-harmonic generation of monolayer transition metal dichalcogenides on suspended silver film, showing a significant enhancement of the SHG signal. The enhancement is attributed to the electric field amplification induced by symmetric surface plasmon polaritons (SPPs) in the silver grating.
Article
Multidisciplinary Sciences
A. Korobenko, S. Saha, A. T. K. Godfrey, M. Gertsvolf, A. Yu. Naumov, D. M. Villeneuve, A. Boltasseva, V. M. Shalaev, P. B. Corkum
Summary: The authors reported the high harmonic generation from a metallic thin film of titanium nitride and discussed the impact of the anisotropic conduction band structure of titanium nitride on its generation.
NATURE COMMUNICATIONS
(2021)
Article
Physics, Multidisciplinary
Yang Li, Xuecai Zhang, Yutao Tang, Wenfeng Cai, Kuan Liu, Ningbin Mao, Kingfai Li, Junhong Deng, Yanjun Liu, Tun Cao, Guixin Li
Summary: Research shows that incorporating alpha-GST into nanocavity metasurface can greatly enhance third harmonic generation, and provide a powerful platform for characterizing the third-order nonlinear susceptibility of the active medium in the cavity.
NEW JOURNAL OF PHYSICS
(2021)
Review
Physics, Multidisciplinary
Jongkyoon Park, Amutha Subramani, Seungchul Kim, Marcelo F. Ciappina
Summary: High-order harmonic generation in solids is the nonlinear up-conversion of coherent radiation resulting from the interaction of a strong and short laser pulse with a solid sample. The use of plasmonic fields offers new possibilities for spatial and temporal manipulation with nanometric and attosecond resolution, providing novel avenues for solid-state high-order harmonic generation.
ADVANCES IN PHYSICS-X
(2022)
Article
Nanoscience & Nanotechnology
D. Babonneau, S. Camelio, G. Abadias, D. Christofilos, J. Arvanitidis, S. Psilodimitrakopoulos, G. M. Maragkakis, E. Stratakis, N. Kalfagiannis, P. Patsalas
Summary: TiN and ZrN are emerging as important alternative plasmonic materials with potential applications as nonlinear optical materials, especially for second-harmonic generation (SHG). Highly directional dichroic nanostructures of TiN and ZrN can be grown by self-assembly using glancing angle deposition on periodic rippled dielectric surfaces, showing strong SHG response and exceptional photothermal durability due to the incorporation of point defects. These nanostructures, with strong SHG response associated with near-field enhancement from localized surface plasmon resonance, are expected to be applied in laser technology as optical components such as polarizers and SHG emitters.
ACS APPLIED NANO MATERIALS
(2021)
Article
Chemistry, Multidisciplinary
Piyush Jangid, Felix Ulrich Richter, Ming Lun Tseng, Ivan Sinev, Sergey Kruk, Hatice Altug, Yuri Kivshar
Summary: High-index dielectric subwavelength structures and metasurfaces can greatly enhance light-matter interactions through geometry-dependent optical resonances. However, these enhancements have a limitation in that they only operate within a narrow spectral range near resonant frequencies. This study introduces a practical approach to achieve spectrally tunable enhancement of light-matter interaction using resonance-gradient metasurfaces. By varying the geometrical parameters, the resonant frequencies of the metasurfaces can be tuned. The metasurfaces consist of bone-like nanoresonators made of germanium, which support high-quality optical resonances in the mid-IR spectral range. This concept is applied to observe the resonant enhancement of multiple optical harmonics, providing wide spectral coverage.
ADVANCED MATERIALS
(2023)
Article
Nanoscience & Nanotechnology
Yoshito Y. Tanaka, Tomoya Kimura, Tsutomu Shimura
Summary: A pair of V and Y-shaped gold nanoparticles are able to emit second harmonic (SH) radiation perpendicularly to the incident light direction, and the phase of this emission can be modulated by altering the shape of the Y-particle. This approach can be used to engineer directional nonlinear nanoantennas and nonlinear metamaterials.
Article
Chemistry, Multidisciplinary
Junjun Shi, Xiaobo He, Wen Chen, Yang Li, Meng Kang, Yangjian Cai, Hongxing Xu
Summary: A dual cavity resonance scheme with remote excitation is developed to significantly enhance SHG in a nanobelt system. The enhancement is achieved through the cooperation of plasmonic and FP cavity modes.
Article
Materials Science, Multidisciplinary
C. J. Valencia-Caicedo, E. I. Chaikina, A. V. Khomenko
Summary: We numerically studied the second-harmonic generation (SHG) from subwavelength GaAs relief gratings with and without Au nano-stripes. Our results showed that adding Au nano-stripes significantly enhanced the SHG efficiency, with more than 500 times enhancement and an absolute value of 1.2 x 10(-3)% when the intensity of pump light was 1 GW/cm(2).
RESULTS IN PHYSICS
(2022)
Article
Materials Science, Multidisciplinary
Bryson Krause, Dhananjay Mishra, Jiyang Chen, Christos Argyropoulos, Thang Hoang
Summary: This study demonstrates enhanced second-harmonic generation and second-order nonlinear exciton-polariton strong coupling response using plasmonic nanopatch antennas (NPAs), providing important insights for nonlinear control of light-matter interactions in optical engineering and information processing.
ADVANCED OPTICAL MATERIALS
(2022)
Article
Chemistry, Multidisciplinary
Xian-Xin Wu, Wen-Yu Jiang, Xiao-Feng Wang, Li-Yun Zhao, Jia Shi, Shuai Zhang, Xinyu Sui, Zhe-Xue Chen, Wen-Na Du, Jian-Wei Shi, Qian Liu, Qing Zhang, Yong Zhang, Xin-Feng Liu
Summary: We have developed an efficient inch-scale SHG source through a solution-processed method by assembling gold nanoparticles with porous anodic alumina templates. Our device achieves multiresonance in both visible and near-infrared regions, providing strong electric field enhancement at the gap region. The SHG radiation produced is polarization-independent and shows wide-angle nonlinear response thanks to the unique geometry of the nanostructure.
Article
Nanoscience & Nanotechnology
Irati Alonso Calafell, Lee A. Rozema, David Alcaraz Iranzo, Alessandro Trenti, Philipp K. Jenke, Joel D. Cox, Avinash Kumar, Hlib Bieliaiev, Sebastien Nanot, Cheng Peng, Dmitri K. Efetov, Jin-Yong Hong, Jing Kong, Dirk R. Englund, F. Javier Garcia de Abajo, Frank H. L. Koppens, Philip Walther
Summary: Graphene-insulator-metal heterostructures exhibit significantly enhanced optical nonlinearity, offering potential for optically controlled and electrically tunable nano-optoelectronic devices.
NATURE NANOTECHNOLOGY
(2021)
Article
Multidisciplinary Sciences
Yigeng Peng, Tong Wu, Guanglu Yuan, Lihan Chi, Shicheng Jiang, Konstantin Dorfman, Chao Yu, Ruifeng Lu
Summary: High harmonic generation from solid-state crystals in strong laser fields is understood based on the band structure and periodic boundary conditions. A quasi-band model is developed for a ring-type cluster of cyclo[18]carbon, which predicts solid state-like HHG in this system. Under linearly polarized laser field, cyclo[18]carbon exhibits solid state-like HHG originating from intraband oscillations and interband transitions, providing a potential method to detect molecular or material structures optically. The results are in good agreement with time-dependent density functional theory calculations and contribute to connecting the physics of HHG in gases and solids.