Comparative study of photoluminescence dynamics of CdSe quantum dots on glass and ITO [0.03%]
玻璃和ITO基底上CdSe量子点光致发光动力学的比较研究
Guohong Xiang,Xinhai Zhang,Kai Wang et al.
Guohong Xiang et al.
This study investigates the photoluminescence (PL) dynamics of CdSe quantum dots (QDs) on indium tin oxide (ITO) substrates under various excitation intensities to understand the impact of QD charging on PL. The analysis reveals that under ...
Nanowire-based artificial photoreceptors with multi-hyperuniformity inspired by chicken retina [0.03%]
受鸡视网膜启发的具有多重超均匀特性的纳米线人工光感受器
Mi Jin Hong,Min Ju Kim,Su Bo Lee et al.
Mi Jin Hong et al.
Retinal cells of chicken possess a hyperuniform distribution enabling exceptional spatial sampling. Recently, interest has grown in mimicking biological imaging systems for optoelectronics technology. However, since biological retinal cells...
Rapid fabrication of superhydrophobic and transparent surfaces by using a laser-induced deep etching process [0.03%]
一种利用激光诱导深度蚀刻工艺快速制备超疏水透明图案表面的方法
Yuchen Yin,Yang Liao,Jijun Feng et al.
Yuchen Yin et al.
Superhydrophobic surfaces have garnered significant attention for their wide-ranging applications in self-cleaning, anti-icing, and liquid manipulation. However, it remains a daunting challenge to precisely and rapidly fabricate superhydrop...
Geometric amplitude assisted beamforming in transverse-twist metasurfaces [0.03%]
用于横扭超曲面的几何幅值辅助波束形成技术
Peng Tang,Jie Tao,Dashuang Liao et al.
Peng Tang et al.
The geometric phase that introduces the phase discontinuities by the twist of individual meta-atoms has attracted intensive interest in designing multifunctional planar metasurfaces. Typically, the twist axis aligns parallel to the plane of...
Direct generation of high peak power noise-like pulse from an all-fiber Mamyshev oscillator at 1550 nm [0.03%]
一种产生高峰值功率噪声光脉冲的全光纤马米舍夫振荡器
Jiadong Wu,Jiahao Wen,Yuhua Xie et al.
Jiadong Wu et al.
We report on the direct generation of 0.565 µJ, 80.7 kW noise-like pulse (NLP) from an all-fiber Mamyshev oscillator (MO) at 1550 nm wavelength experimentally. The all-fiber MO has been modulated by the offset spectral filters, which act a...
Ultra-compact, ultra-low-loss and broadband 2 × 2 nonvolatile optical switch based on Sb2Se3 phase change material [0.03%]
基于Sb₂Se₃相变材料的超紧凑、超低损耗和宽带2×2非易失性光开关
Haotian Li,Desheng Zeng,Yihang Huang et al.
Haotian Li et al.
We propose an ultra-compact broadband 2 × 2 nonvolatile optical switch based on two adjacent silicon waveguides embedded with a low-loss phase change material (Sb2Se3). In the crystalline state of Sb2Se3, the two waveguides in the middle s...
Experimental investigation and modeling of spatio-temporal dynamics of filamentary regions induced by an ultrashort laser pulse [0.03%]
由超短激光脉冲诱导的丝状区域时空动力学实验研究及建模
Takumi Koike,Naohiko Sugita,Yusuke Ito
Takumi Koike
We present an experimental and numerical study of the spatio-temporal evolution characteristics of filamentary regions induced in dielectric materials by femtosecond (300 fs) and picosecond (2 ps) pulses. The evolution of the filamentary re...
Low-complexity weighted regular perturbation model-based symbol rate power profile estimation [0.03%]
低复杂度加权规则扰动模型的符号速率功率估算方法研究
Yingjie Jiang,Du Tang,Ji Luo et al.
Yingjie Jiang et al.
In this work, we propose a low-complexity fiber longitudinal power profile estimation (PPE) method operating at the symbol rate, based on the weighted first-order regular perturbation model (WRP1). The WRP1 model introduces inter-symbol non...
Lithography-free transparent spacecraft smart radiation device based on phase change material VO2 [0.03%]
基于相变材料VO₂的无光刻透明航天器智能辐射装置
Kaihua Zhang,Qingqing Hu,Biyuan Wu et al.
Kaihua Zhang et al.
As the complexity of spacecraft operations in extreme space environments escalates, the development of a device that can simultaneously manage thermal radiation while maintaining transmission to visible light becomes critically important. S...
Xue Wang,Jian Yu,Yanmeng Dai et al.
Xue Wang et al.
Zone plates have gained significant popularity in the field of X-ray applications. In order to overcome the inherent problem of multiple focal points in traditional Fresnel zone plates (FZPs), researchers have turned to designing Gabor zone...