Effect of counter-phase pump modulation of phase-sensitive amplifiers noise performance and SBS suppression [0.03%]
反相泵浦调制对相敏放大器噪声性能及SBS抑制的影响研究
Ruwan U Weerasuriya,Rasmus Larsson,Peter A Andrekson
Ruwan U Weerasuriya
Optical phase-sensitive amplifiers (PSAs) leverage nonlinear interactions to achieve noise figures below the conventional quantum limit. Dual-pump phase-insensitive amplification has been studied in wavelength conversion, phase conjugation ...
Doped-free structure is used to realize organic light-emitting devices with low blue harm, low color temperature, and high color rendering index [0.03%]
无掺杂结构实现低蓝光危害、低温色及高显色指数有机电致发光器件
Jian Yang Ren,Si Yu Xie,Xiao Yu Ma et al.
Jian Yang Ren et al.
With the development of light-emitting devices, researcher gradually shift their attention from the efficiency of the devices to the health of lighting sources. Herein, we first designed a low correlated color temperature (CCT) and high col...
Method for expanding the field-of-view of micro-CT imaging using array micro-focus X-ray source [0.03%]
一种基于阵列微焦点X射线源的微型CT大视场成像方法
Guowei Zhong,Fengxiao Li,Haijun Yu et al.
Guowei Zhong et al.
Micro-computed tomography (micro-CT) is a critical high-resolution, non-destructive testing technique. However, its field-of-view (FOV) is constrained by the detector size, which limits the ability to perform high-resolution imaging of larg...
Alicia Reija,Andrew Coathup,Aarón Alejo et al.
Alicia Reija et al.
X-ray sources with high photon fluxes and small source sizes have been widely pursued in the last decades. With synchrotron and XFEL facilities being complex, scarce and not easily accessible, laser-driven x-ray sources have emerged as a pr...
Enantiomeric concentration determination via a single circular dichroism spectrum in chiral hyperbolic metamaterials [0.03%]
手性双曲材料中通过单一圆二色谱图测定对映体浓度分布问题
Houjiao Zhang,Zhonghong Shi,Jiancai Xue et al.
Houjiao Zhang et al.
To determine the chiral molecular enantiomer concentrations (i.e., MD and ML), we theoretically proposed an approach that contains a chiral hyperbolic metamaterial (HMM) biosensor and two deduced analysis databases and obtained the MD and M...
Nd3+-doped phosphate fibers for 0.9 μm single-frequency lasers: machine learning-driven compositional design for suppressing competitive emission [0.03%]
用于单频激光的Nd3+掺杂磷酸盐光纤的成分设计：通过机器学习抑制竞争发射
Jinzhong Zhu,Zhongxian Li,Yao Ji et al.
Jinzhong Zhu et al.
The 0.9 μm single-frequency fiber laser has emerged as a promising source for doubling frequency to generate blue lasers, which are essential for applications in underwater communication, detection, and laser display. However, the 4F3/2→4...
High-resolution wavefront detection using binary phase grating modulation for large dynamic range [0.03%]
基于二值相位光栅调制的大动态范围高分辨率波前检测方法研究
Chensi Zhao,Wang Zhao,Hongli Guan et al.
Chensi Zhao et al.
Conventional Shack-Hartmann wavefront sensors (SHWFS) struggle to balance wavefront reconstruction accuracy and dynamic range under limited sub-aperture pixel arrays. In response to this, we innovatively propose a SHWFS based on binary phas...
Odd-order quantum noise-like stream cipher scheme based on joint index modulation constellation shaping [0.03%]
基于联合索引调制星座成形的奇数阶量子噪声流密码方案
Dongxu Zhu,Bo Liu,Jianxin Ren et al.
Dongxu Zhu et al.
This paper proposes an odd-order quantum noise-like stream cipher scheme based on joint index modulation (JIM) constellation shaping. By utilizing subcarrier index modulation and dual-mode index techniques, additional information is transmi...
Stress distribution analysis in multi-core fibers: birefringence and polarization-mode dispersion characteristics [0.03%]
多芯光纤中的应力分布分析：双折射及偏振模色散特性
Gustavo Ocampo,Kunimasa Saitoh
Gustavo Ocampo
We explore the birefringence characteristics of multi-core fibers (MCFs) and their relationship to polarization-mode dispersion (PMD) performance, aiming to identify the factors contributing to variations in PMD across various MCF designs. ...
Superlarge depth range 3D measurement based on dual-focal optimization strategy [0.03%]
基于双焦优化策略的大深度范围三维测量方法
Haisen Yuan,Hongyi Zeng,Jie Wang et al.
Haisen Yuan et al.
Fringe projection profilometry (FPP) is a widely applied high accuracy three-dimensional measurement technique, and the binary defocusing technique is commonly used to improve measurement speed. However, the measurement accuracy is affected...