Photonic extreme learning machine based on phase-sensitive optical-time-domain reflectometry of Rayleigh scattering from a long fiber [0.03%]
基于瑞利散射长光纤phase-sensitive光学时域反射率的光子极限学习机
Daichi Hitotsumatsu,Kaoru Minoshima,Naoya Kuse
Daichi Hitotsumatsu
Photonic extreme learning machines (ELMs) offer rapid training, low power consumption, and inherent parallelism compared to conventional electronic systems. Time-domain photonic ELMs employing Rayleigh backscattering in an optical fiber for...
Ultra-low-latency 3D measurement with a 1D approximate de Bruijn pattern [0.03%]
一种近似De Bruijn序列的超低延迟三维测量方法
Xiaohang Shi,Qitong Guo,Ruoyu Jia et al.
Xiaohang Shi et al.
We proposed an ultra-low-latency projector-camera system for 3D imaging based on the one-dimensional de Bruijn pattern. The feature of this pattern is that four selected different 5-bit de Bruijn sequences form a 7-bit approximate de Bruijn...
Wavelength dependence of fiber channel reciprocity for bidirectional physical-layer key distribution [0.03%]
基于光纤通道互易性的双向物理层密钥分发及其波长依赖性研究
Xinran Huang,Yunhao Xie,Liuming Zhang et al.
Xinran Huang et al.
To share the reciprocity of a single fiber channel in physical-layer secure key distribution (PLSKD), the bidirectional same wavelength (B-SW) transmission system is generally applied. However, the elastic Rayleigh backscattering noise seve...
Deep cooperation for optical communication and positioning in mobile scenarios [0.03%]
移动场景下光学通信与定位的深度融合技术研究
Ziwei Ye,Xiaoxiao Du,Dun Li et al.
Ziwei Ye et al.
Joint communication and positioning are increasingly demanded in mobile scenarios. But related works concerning integrated visible light communication and positioning systems mainly focus on the unilateral performance optimization, which re...
Brillouin optical time-domain reflectometer based on a silicon photonic integrated transceiver [0.03%]
基于硅光子集成收发器的布里渊光学时域反射计
Zhicheng Jin,Jiageng Chen,Hanzhao Li et al.
Zhicheng Jin et al.
We present a Brillouin optical time-domain reflectometer (BOTDR) using a silicon photonic integrated transmitter-receiver. This integrated transceiver comprises a Mach-Zehnder modulator (MZM) for transmitting, a dual-quadrature and dual-pol...
Absolute test for flat surfaces by shifted and rotated maps with yaw angle monitored [0.03%]
带偏航角监测的平面检测绝对标准及方法研究
Shuai Xue,Yunfeng Mao,Yong Liu et al.
Shuai Xue et al.
An absolute testing method for flat surfaces, termed the shifted and rotated maps with yaw angle monitored (SR-YAM) technique, has been developed. This approach requires only four measurement configurations: the initial position, a position...
High spatial resolution diffuse optical tomography with directional information [0.03%]
具备方向信息的高空间分辨率漫射光学层析成像技术
Zijing Guo,Yiyi Yang,Yongyi Zhao et al.
Zijing Guo et al.
Diffuse optical tomography (DOT) is a promising method for imaging through densely scattering media such as the human tissue and skull. DOT has various biomedical applications in functional brain imaging and breast cancer detection with the...
Errors in diffuse optical absorption spectroscopy of two-layered turbid media due to assuming a homogeneous medium [0.03%]
假设均匀介质时两层散射介质的光学漫反射光谱错误分析
Zachary D Jones,Dominik Reitzle,Alwin Kienle
Zachary D Jones
We investigate the errors in diffuse optical absorption spectroscopy of two-layered media when assuming a homogeneous medium as the reference model. Using analytical solutions of the radiative transfer equation, we obtain spatially resolved...
Ying Liu,Weilin Chen,Jiaxin Wu et al.
Ying Liu et al.
Two-dimensional violet phosphorus (VP), a semiconductor with a tunable bandgap and anisotropic crystal structure, has demonstrated significant potential for photodetector applications due to its extremely high light on/off ratio and anisotr...
High power low divergence angle SSC integrated 1.3 μm InGaAlAs/InP MQW DFB laser [0.03%]
高功率低发散角单片集成1.3μm InGaAlAs/InP多量子阱分布反馈式激光器
Xinkai Xiong,Huan Li,Longfei Zhang et al.
Xinkai Xiong et al.
We report the design and fabrication of a novel, to the best of our knowledge, high power 1.3 μm InGaAlAs/InP multi-quantum well (MQW) distributed feedback (DFB) laser integrated with a laterally tapered spot size converter (SSC). In the d...