Optical spin-orbit Hall effect in a focused field from the Poincaré sphere perspective [0.03%]
庞加莱球视角下的聚焦光场光学自旋轨道霍尔效应
Meiyu Liu,Mingchao Zhu,Shenggui Fu et al.
Meiyu Liu et al.
The optical Hall effect, which manifests as angular momentum separation resulting from the spin-orbit interaction in photonics, has attracted tremendous interest due to its practical and potential applications. Traditionally, the optical Ha...
Double rectangular-grooves metasurface for highly efficient electric modulation [0.03%]
高效电调制双矩形沟槽超表面
Jiahao Li,Haiyi Tian,Yunkai Wu et al.
Jiahao Li et al.
With the rapid development of optical communication, how to achieve efficient modulation (fast response speed and high modulation depth) of optical signals has attracted more and more attention from researchers. Among all electro-optical mo...
Blind deblurring of astronomical images using a SCGTV-based single-frame method [0.03%]
基于SCGTV的单帧天文图像去卷积盲复原方法
Shuowen Li,Yunhui Gao,Jiachen Wu et al.
Shuowen Li et al.
Atmospheric turbulence often distorts space target imaging, leading to degraded image quality. To address the issue of image quality degradation, various hardware and software approaches have been proposed, including adaptive optics, lucky ...
Hadrian Bezuidenhout,Mwezi Koni,Jonathan Leach et al.
Hadrian Bezuidenhout et al.
Structured light, light tailored in its internal degrees of freedom, has become topical in numerous quantum and classical information processing protocols. In this work, we harness the high dimensional nature of structured light modulated i...
On-chip broadband Mach-Zehnder interferometer based on a broadband taper-section phase shifter [0.03%]
基于宽带变换区相位调制器的片上宽带马赫曾德尔干涉仪
Xiheng Ai,Yang Zhang,Wei-Lun Hsu et al.
Xiheng Ai et al.
In this paper, we propose a new broadband nulling interferometer based on the Si3N4/SiO2 platform which utilizes a π-phase shifter. This π-phase shift multimode interference Mach-Zehnder interferometer (πPS MMI-MZI) leverages a novel low...
Impact of the Ge-Si interfacial barrier on the temperature-dependent performance of PureGaB Ge-on-Si p + n photodiodes [0.03%]
Ge-Si界面势垒对PureGaB Ge-on-Si p+n光电二极管温度依赖性的影响
Lovro Marković,Tihomir Knežević,Lis K Nanver et al.
Lovro Marković et al.
A temperature-dependent study of the near-infrared (NIR) responsivity of Ge-on-Si photodiodes is presented. The diodes, formed as n-Ge islands within oxide windows on n-Si and capped with Ga and B layers (PureGaB), exhibit low dark current ...
Aalim M Mustafa,Hussam Muhamedsalih,Dawei Tang et al.
Aalim M Mustafa et al.
Optical metrology plays a vital role in a wide range of research and inspection areas in the industry. At present, the market offers a variety of optical metrology instruments, among which the focus variation microscope stands out for its c...
Type-II Bragg gratings with a 300 nm period fabricated using tightly focused femtosecond pulses and the phase mask technique [0.03%]
利用紧密聚焦的飞秒脉冲和相位掩模技术制作周期为300nm的II型Bragg光栅
Cyril Hnatovsky,Abdullah Rahnama,Rune Lausten et al.
Cyril Hnatovsky et al.
1000°C-resistant Bragg gratings (i.e., Type-II Bragg gratings) with a 300 nm period are fabricated in non-photosensitized silica-based optical fibers using tightly focused ultraviolet/visible (400 nm) femtosecond pulses and a phase mask. F...
Effective zero-shot learning method for event classification in Φ-OTDR sensing systems [0.03%]
用于Φ-OTDR传感系统的有效零样本学习事件分类方法
Xing Hu,Hepeng Dong,Yong Kong et al.
Xing Hu et al.
Despite various Φ-OTDR intrusion event recognition methods having achieved high average accuracy rates (over 90%), these methods usually rely on a large amount of training sample data (80% of the data). When faced with certain intrusion ev...
Zepeng Gong,Fan Shi,Qingyu He et al.
Zepeng Gong et al.
As high-speed optical access networks continue to evolve, reducing the computational complexity at the optical network unit (ONU) side remains a significant challenge in coherent passive optical network (PON). This paper presents a pre-equa...