Generation of frequency-offset cavity solitons in a pulse-driven optical fiber resonator [0.03%]
脉冲驱动光子晶体光纤谐振腔中频移型腔孤子的产生
Yiqing Xu,Xiaoyu Chen,Matthew Macnaughtan et al.
Yiqing Xu et al.
The generation of temporal cavity solitons (CSs) in Kerr resonators is well known to lead to the formation of stable frequency combs. In a resonator with pure second-order anomalous dispersion, the soliton's center frequency is pinned to th...
Ultrasensitive bright-field microscope enables label-free single-protein detection [0.03%]
超灵敏明场显微镜实现无标签单蛋白检测
Shang-Fang Tsai,Chia-Lung Hsieh
Shang-Fang Tsai
We demonstrate that bright-field microscopy, when implemented in a coherent transmission-mode configuration termed coherent brightfield (COBRI) microscopy, achieves exceptional sensitivity sufficient for direct visualization of single prote...
Chongyang Zhang,Guohang Wu,Junfeng Guo et al.
Chongyang Zhang et al.
Dynamic single-pixel 3D imaging is challenging due to the requirement of complex calibration and the inherent tradeoff between resolution and the number of measurements. In this work, we propose a calibration-free framework that integrates ...
High-extinction-ratio, visible-light thermo-optic switch based on two-stage mode management [0.03%]
一种基于两级模式调控的高消光比可见光热光开关
Guixiang Chen,Bo Gao,Minjie Huang et al.
Guixiang Chen et al.
Visible-light interference imaging uses distributed sub-apertures to surpass the diffraction limit, offering a promising approach for large-aperture imaging. Traditional systems are limited by bulky free-space optical paths, while on-chip i...
Demonstration of Miexciton: enhancement of light-matter interaction in monolayer WS2 on a Si metasurface [0.03%]
单层WS2在硅超表面上的Mi激子演示：增强光-物质相互作用
Dingwei Chen,Junichi Takahara
Dingwei Chen
Two-dimensional transition metal dichalcogenides (TMDCs) semiconductors are promising for photonic and optoelectronic applications, but their atomic thickness limits photon harvesting. Here, we demonstrate the Miexciton hybrid states arisin...
On-chip phase interrogator based on a silicon Michelson interferometer for wavelength-multiplexed FBG sensors [0.03%]
基于硅迈克尔逊干涉仪的波长复用FBG传感器芯片上解调单元
Yan Huang,Minxuan Li,Tingfeng Li et al.
Yan Huang et al.
The feasibility of demodulating fiber Bragg grating (FBG) accelerometers using a Michelson interferometer (MI) based on a silicon-on-insulator (SOI) platform, in conjunction with phase demodulation techniques, is experimentally demonstrated...
Precise adjustment of the three-dimensional position of the deformable mirror in adaptive optics-assisted microscopy [0.03%]
基于自适应光学的显微镜中可变形反射镜的三维位置精确调整
Xiangyu Wang,Xi Chen,Can Wang et al.
Xiangyu Wang et al.
Adaptive optics (AO) assisted microscopy enables high-quality imaging by correcting instrument- and specimen-induced aberrations, utilizing wavefront shaping devices such as a deformable mirror (DM). For optimal wavefront modulation, it is ...
High-efficiency, low-back-reflection, S+C+L band grating couplers compatible with silicon photonics MPW platforms [0.03%]
一种与硅光子MPW工艺兼容的高效低反射S+C+L波段阵列耦合器
Ziyang Wang,Junhuan Li,Yi Hu et al.
Ziyang Wang et al.
Grating couplers enable vertical coupling between optical fibers and photonic chips without the need for specialized end-face processes; however, they suffer from bandwidth limitations. By fully utilizing the shallow etching processes avail...
Laser analysis of the nonequilibrium ratio of the ortho and para H2O number density in vapor by the ultrasonic vaporization of water [0.03%]
激光解析水的超声汽化中正交和顺交H2O数密度非平衡比态的研究
Eugene V Stepanov,Sergey M Pershin,Daria A Gerashchenko
Eugene V Stepanov
The ratio of the ortho and para H2O content in vapor produced by the ultrasonic vaporization of liquid water is significantly less than the equilibrium value at normal conditions (3:1) and can reach ~2:1. This phenomenon was observed throug...
Dual UV narrowband filter-based differential detection for long-range extraction of fuel combustion signals [0.03%]
基于双紫外窄带滤波器的差分检测长程提取燃油燃烧信号方法
Lei Zhang,Shuo Chen,Xiaoxv Wang et al.
Lei Zhang et al.
The hydroxyl (OH+) radical, with its distinctive 308 nm emission, provides a unique fingerprint for hydrocarbon combustion monitoring. Exploiting the low ultraviolet sky background, OH+-based detection achieves high accuracy without cooling...