Low-profile metamaterial with ultra-wide band ratio based on active frequency selective surfaces [0.03%]
基于活性频率选择表面的超宽带低剖面超材料研究
Ruize Xu,Peng Ren,Yi Li et al.
Ruize Xu et al.
This paper presents a low-profile metamaterial with ultra-wide band ratio (BR) based on active frequency selective surfaces (AFSSs) to overcome the limited tuning range and suboptimal profile of current designs. The proposed design consists...
High-spatial-frequency nanoripples induced on a WS2 film by femtosecond laser pulses for second harmonic generation and Raman scattering manipulation [0.03%]
飞秒激光脉冲诱导WS2薄膜中的高空间频率纳米皱纹以调控二次谐波和拉曼散射
Jinshan Luo,Shulei Li,Shimei Liu et al.
Jinshan Luo et al.
Transition metal dichalcogenides (TMDCs) have attracted great interest due to their unique layer-related electronic and optical properties, which exhibit potential applications in optoelectronic devices. However, the fabrication of nanostru...
Robert Archibald,Simon Peter Mekhail,Osian Wolley et al.
Robert Archibald et al.
Fibre coupling is a convenient implementation of various types of optical sensors. However, when the optical sensor is based upon interferometry, the choice of fibre is usually restricted to a single-mode fibre, limiting the étendue of the...
Modeling dispersive and active ring resonators with discrete optical components: from injected loops to mode-locked lasers [0.03%]
用离散光学组件建模色散和有源环形谐振器：从注入环路到模式锁频激光器
Nicolas Barré,Marc Brunel
Nicolas Barré
This article introduces a general framework for modeling the dynamics of active ring resonators with both continuous and discrete optical elements under the traveling-wave approximation. The framework is built upon a rigorous derivation of ...
Carrier injection type topological edge state electro-optic Mach-Zehnder modulator based on valley photonic crystals [0.03%]
基于谷光子晶体的载流注入拓扑边缘态电光马赫-曾德尔调制器
Yubing Wang,Faisal Nadeem Khan
Yubing Wang
Valley photonic crystals (VPCs) and their topological edge states have been widely studied and applied to many passive devices. However, reconfigurable topological photonic devices remain to be further explored. In this work, we propose a M...
212-km ultra-long-distance hybrid Φ-OTDR/BOTDR based on remotely pumped optical amplification [0.03%]
基于远程泵浦放大技术的超长距（212km）Φ-OTDR/BOTDR传感系统
Yanyang Lei,Xiaohui Tang,Meng Xia et al.
Yanyang Lei et al.
In this paper, we propose and demonstrate a 212 km ultra-long-distance hybrid distributed optical fiber sensing (DOFS) system capable of simultaneously measuring vibration and strain/temperature along the sensing fiber. This is achieved by ...
Performance assessment of octagonal layout based integrated photonic reservoir computing for optical channel equalization [0.03%]
基于八角形布局的集成光子 reservoir 计算在光学信道均衡中的性能评估
Xiaoyan Zuo,Li Pei,Bing Bai et al.
Xiaoyan Zuo et al.
Compared to electronic equalizers, the equalizers based on integrated photonic reservoir computing exhibit the advantages of large bandwidth, short latency, and low power consumption. The existing rectangular reservoir layout employs intern...
Abhishek Sureshkumar,Jonathan Demaimay,Georges Perin et al.
Abhishek Sureshkumar et al.
Dy3+-doped silica glass whispering gallery mode microspheres are fabricated by fiber fusion splicing. They present an almost ideal spherical morphology with a radius ranging from 60 to 67 µm, as determined by confocal laser microscopy. The...
Planar nonuniform and spatially dispersive metasurface as a substitute for optical system [0.03%]
一种可以替代光学系统的平面非均匀和空间色散/meta表面
Jeck Borne,Christopher Bouillon,Michel Piché et al.
Jeck Borne et al.
We propose a method to obtain the tangential surface susceptibility of a single nonuniform and spatially dispersive metasurface achieving the same optical work as a complex optical system based on the generalized sheet transition conditions...
Precision molecular spectroscopy with a phase-locked terahertz quantum-cascade laser [0.03%]
锁相太赫兹量子级联激光器的精密分子光谱学
R Voigt,M Wienold,D Jayasankar et al.
R Voigt et al.
We demonstrate precision molecular spectroscopy with a phase-locked quantum cascade laser (QCL) over its entire frequency tuning range at 3.4 THz. A Schottky diode harmonic mixer is used to mix the QCL emission with a multiplied microwave s...