Tunable optical frequency division method for ultra-stable microwave generation [0.03%]
可调光学频分法产生超稳定微波信号
Pengcheng Fang,Zhendi Cai,Huanyao Sun et al.
Pengcheng Fang et al.
In this Letter, we present a novel, to the best of our knowledge, optical frequency division (OFD) scheme to directly synthesize fine-tunable ultra-stable microwave from optical references by utilizing an optical frequency comb (OFC) as a t...
Enhancing optoelectronic and modulation performance at low injected current by removing the p-AlGaN electron blocking layer of μ-LEDs [0.03%]
通过去除微发光二极管中的p-AlGaN电子阻挡层在低注入电流下增强光电和调制性能
Yurong Dai,Zongmin Lin,Tingwei Lu et al.
Yurong Dai et al.
This study investigates the removal of the p-AlGaN electron blocking layer (EBL) to enhance the energy efficiency of blue micro light-emitting diodes (μ-LED) devices for visible light communication (VLC) and display. The EBL removal led to...
Polarization-independent, high-NA edge detection with nonlocal metasurfaces [0.03%]
基于非局部元表面的极化无关、高NA边缘检测技术研究
Yalong Liu,Xiaoxin Li,Bojian Shi et al.
Yalong Liu et al.
Optical analog computing based on flat optical structures offers significant advantages in system miniaturization, loss reduction, and computational speed compared to traditional systems requiring complex optical configurations. However, ex...
Decoupling of nanoindentation residual stress field in single-crystalline 4H-SiC via micro-Raman spectroscopy [0.03%]
基于微拉曼光谱的单晶4H-SiC纳米压痕残余应力场解耦研究
Zhoudong Yang,Jing Tian,Xinyue Wang et al.
Zhoudong Yang et al.
This Letter presents a combined analytical and experimental method to effectively decouple the radial and tangential residual stress fields induced by Berkovich nanoindentation in single-crystalline 4H-SiC using micro-Raman spectroscopy. By...
3D micro-printed polymer limacon-shaped whispering-gallery-mode microlaser sensors for label-free biodetection [0.03%]
三维微打印聚合物心形 Whispering Gallery Mode 微激光传感器用于无标记生物检测
Zhizheng Wang,Mohsin Raza,Bin Zhou et al.
Zhizheng Wang et al.
Optical whispering-gallery-mode (WGM) microlaser sensors have garnered significant attention in biological sensing due to their distinct advantages, including strong light-matter interactions and versatile sensing modalities. However, chall...
Differentiable optimization of multiple freeform lenses for high-performance tilted illumination [0.03%]
用于高性能倾斜照明的多个自由曲面镜头的可微分优化
Haisong Tang,Zexin Feng,Yi Luo et al.
Haisong Tang et al.
We present an optimization framework for designing multiple freeform lenses to achieve high-performance oblique illumination. The optimization process involves two steps: optimizing the irradiance distribution on an intermediate plane and f...
Multimodal anti-counterfeiting based on CsPbBr3/Er3+-codoped tellurite glass phosphor [0.03%]
基于CsPbBr₃/Er³⁺共掺碲酸盐玻璃磷光体的多模防伪技术
Luyue Niu,Ziyang Wu,Wenhao Li et al.
Luyue Niu et al.
This work presents a novel, to the best of our knowledge, multimodal anti-counterfeiting (AC) phosphor based on CsPbBr3/Er3+-codoped tellurite glass powders. Benefiting from the sensitization effect of CsPbBr3 nanocrystals (NCs) on Er3+, th...
Fabrication of a low insertion loss and high productivity FI/FO device based on the different core couple method and tapered corrosion method [0.03%]
基于不同芯耦合法和渐变腐蚀法的低插入损耗高生产率FI/FO器件制备技术研究
Yuxin Li,Qianjin Wang,Yupeng Wu et al.
Yuxin Li et al.
Two innovative methods, the different core couple (D-C) method and the tapered corrosion (T-C) method, are proposed to improve traditional fiber bundle corrosion techniques for fabricating fan-in/fan-out (FI/FO) devices. The D-C method util...
Dual-pulse phase-OTDR-based distributed optic-fiber acoustic sensor with active laser frequency compensation [0.03%]
基于双脉冲相位OTDR的分布式光纤声传感器及其激光频率补偿方法
Yiluo Jiang,Wenping He,Yonghang Shen
Yiluo Jiang
We report a novel, to the best of our knowledge, distributed optic-fiber acoustic sensor in which active laser frequency compensation is proposed to improve the performance of an in-balanced Mach-Zehnder interferometer (IMZI)-based dual-pul...
Zequn Chen,Yiheng Tang,Maoliang Wei et al.
Zequn Chen et al.
Visible-light photonic integrated circuits (PICs) are rapidly emerging as a crucial technology to overcome the scaling challenges in quantum information processing and biosensing. Titanium dioxide (TiO2), with its high transparency in the v...