Gaussian-modulated continuous-variable quantum key distribution over 60 km fiber using an integrated silicon photonic receiver [0.03%]
基于集成硅光子探测器的高斯调制连续变量量子密钥交换实验
Xuesong Xu,Lu Fan,Yan Pan et al.
Xuesong Xu et al.
Fully integrated photonic continuous-variable quantum key distribution is a promising route toward compact and scalable secure optical links, yet the achievable transmission distance has been limited by the performance of integrated receive...
E2E-OCT: end-to-end joint learning model using optical coherence tomography images for vocal cord leukoplakia diagnosis [0.03%]
基于光学相干层析成像的声带黏膜白斑病变端到端联合诊断模型
Yu Ban,Yipeng Zhang,Xueying Li et al.
Yu Ban et al.
In our previous study, a home-built handheld OCT system was used to collect OCT images in vocal cord leukoplakia. First, 383 valid OCT images were collected from 12 patients with leukoplakia (including low-risk, high-risk, and malignant typ...
Holographic generation of panoramic 3D scenes by concave ellipsoidal mirror reflection [0.03%]
凹椭球镜反射的全息全景三维场景生成技术
Yusuke Sando,Yutaro Goto,Daisuke Barada et al.
Yusuke Sando et al.
Conventional holographic three-dimensional (3D) displays have a limited ability to enlarge their field of view (FOV) and cannot reconstruct panoramic 3D scenes. This paper proposes a method to overcome this limitation by using a concave ell...
Dual-pilot phase recovery with pair-wise maximum-ratio combining for coherent PONs [0.03%]
基于成对最大比合并的双导频相位恢复算法用于相干PON系统
Chen Ding,Yutian Liu,Qiarong Xiao et al.
Chen Ding et al.
Non-orthogonal multiple access (NOMA) combined with digital subcarrier multiplexing (DSCM) enables dense and flexible coherent passive optical networks (PONs). However, NOMA signal superposition biases pilot-aided carrier-phase recovery (CP...
Mapping the whispering gallery modes of a CaF2 disk resonator with half-tapered fibers to estimate the fundamental mode volume [0.03%]
使用半倾斜光纤映射CaF2盘形谐振器的耳语画廊模式以估算基模体积
A S Bhadkamkar,T G Rottiger,P R Gupta et al.
A S Bhadkamkar et al.
Many applications that utilize whispering gallery mode resonators critically rely on the mode volume. In this work, we demonstrate a new, to the best of our knowledge, experiment to map the whispering gallery modes of a mm-sized disk resona...
Quantitative estimation of deep-subwavelength scale via dark-field scattering axial energy concentration decay profiles [0.03%]
基于暗场散射轴向能量集中衰减分布的深亚波长定量估计研究
Xinlan Tang,Lingbao Kong
Xinlan Tang
Interferometric scattering microscopy offers high sensitivity for nanoscale detection, but its quantitative capability remains constrained by multiple factors. Here, a quantitative framework is proposed for sparse-scatterer inspection scena...
Compact low-loss 8 × 8 silica optical switch based on large fan-in/fan-out couplers [0.03%]
基于大扇入/扇出耦合器的低损耗紧凑型8×8硅基光学开关
Manzhuo Wang,Yu Xin,Tingyu Liu et al.
Manzhuo Wang et al.
An optical switch scheme based on large fan-in/fan-out multimode interference (MMI) couplers is proposed to enable compact, low-loss N × N switching with channel uniformity. Specifically, two identical 8 × 8 MMI couplers are connected via...
48 W, 5 ps, 100 kHz Ho:YLF CPA system and its application to mid-infrared ZGP OPG/OPA [0.03%]
一种应用于中红外ZGP光学参量过程的高峰值功率皮秒钬激光放大系统
Fei Wang,Disheng Wei,Lulu Gao et al.
Fei Wang et al.
In this Letter, we report a high-power, high-repetition-rate Ho:YLF chirped-pulse amplification (CPA) system driving a ZnGeP2 (ZGP) optical parametric generator and amplifier (OPG/OPA). The Ho:YLF CPA system operates at 100 kHz, delivering ...
Background-enhanced NIR-II single-pixel imaging for fluorescent localization and dynamic tracking [0.03%]
背景增强的近红外二区单像素成像用于荧光定位和动态追踪
Zhong Ji,Jiaqi Wei,Jingyang Xing et al.
Zhong Ji et al.
Near-infrared-II (NIR-II) fluorescence imaging offers high contrast and reduced scattering but lacks morphological context, posing challenges for precise pathological localization. Conventional fusion using heterogeneous camera arrays suffe...
3D-nanoprinted vertical coupler using hybrid lithography for optical redistribution applications [0.03%]
用于光学信号分配的三维纳米打印垂直耦合器
Yijun Yu,Lin Ma,Xu Liu et al.
Yijun Yu et al.
We demonstrate a polymeric vertical coupler for optical redistribution applications. The device is fabricated using a hybrid-lithography process, combining ultraviolet (UV) lithography for a planar optical redistribution layer (ORDL) with t...