Enhancing the secret key rate of CV-QKD over an optical fiber network by precoding [0.03%]
通过预编码提高光纤网络CV-QKD的密钥率
Yuan Liu,Chun-Kit Chan
Yuan Liu
Continuous-variable quantum key distribution (CV-QKD) suffers from significant secret key rate (SKR) limitations in long-haul transmission. Existing hardware-oriented capacity boosting approaches are hindered by prohibitive costs and intric...
Hybrid spectral-spatial domain registration for nanometric tracking in digital in-line holographic microscopy [0.03%]
数字内联全息显微镜纳米级跟踪的混合谱域空间域注册方法研究
Kamil Kalinowski,Mikołaj Rogalski,Piotr Arcab et al.
Kamil Kalinowski et al.
Digital in-line holographic microscopy enables label-free tracking and metrology, but achieving nanometric sub-pixel displacement accuracy over a wide capture range remains challenging. Frequency-domain registration based on the discrete Fo...
Dual-band angular dispersion and polarization manipulation based on extrinsic chirality in a metasurface [0.03%]
基于手性超表面的双频角散射和偏振调控
Jialuo Ding,Li Luo,Hang Xu et al.
Jialuo Ding et al.
This paper presents a metasurface with dual-band extrinsic chirality based on a metal-insulator-metal (MIM) structure. The metasurface utilizes mirror-symmetric split-ring resonators as fundamental building blocks. Under oblique microwave i...
Thermal stability of MBE-grown InGaN/AlGaN red nanowire LEDs for extreme environment applications [0.03%]
分子束外延红光纳米线LED的热稳定性研究及其在极端环境中的应用
Mano Bala Sankar Muthu,Swetha Velpula,Ravi Teja Velpula et al.
Mano Bala Sankar Muthu et al.
In this Letter, we report on the demonstration of InGaN/AlGaN nanowire red light-emitting diodes, which exhibit high thermal robustness under extreme operating conditions. The devices emit at a wavelength of ~650 nm and maintain stable red ...
Transitions between mode-locked and noise-like pulsed states in a multimode fiber laser [0.03%]
高模式光纤激光器中锁模态和噪声态脉冲之间的转换关系
Karolina Stefańska,Vittorio Cecconi,Katarzyna Krupa et al.
Karolina Stefańska et al.
We experimentally demonstrate transitions between stably mode-locked and noise-like pulse states in a ytterbium-doped fiber laser controlled by adjusting the level of intracavity spectral filtering. In both regimes, Kerr spatial self-cleani...
Carbon-nanotube-assisted self-starting dispersion-managed Kerr-lens mode-locked Cr:ZnS laser delivering 0.7-MW peak power [0.03%]
用于自启动色散管理克尔透镜锁模Cr:ZnS激光器的碳纳米管及峰值功率为0.7MW的研究
Daiki Okazaki,Wanyu Dai,Esko Kauppinen et al.
Daiki Okazaki et al.
Self-starting operation is highly desirable for practical Kerr-lens mode-locked oscillators, but it is difficult to combine with high-energy few-cycle performance. Here, we demonstrate a self-starting dispersion-managed Kerr-lens mode-locke...
D Aguirre-Olivas,G Mellado-Villaseñor,B Perez-Garcia et al.
D Aguirre-Olivas et al.
Structured light fields exploit spin and orbital angular momentum for precision manipulation, advanced imaging, and high-capacity communication. We develop a paraxial modal framework that couples the circular polarization basis, a spin-1/2 ...
Pengfei Li,Lijing Xing,Dongdong Wang et al.
Pengfei Li et al.
Parametrically driven solitons are self-trapped modes in various physical settings, including optics, magnetics, etc. So far, the analysis has been focused on the existence, stability, and dynamics of such solitons in systems including the ...
Pre-monitoring-assisted deep cascaded network for nonlinear equalization in coherent optical communication systems [0.03%]
用于相干光学通信系统的预处理辅助深度级联网络非线性均衡技术
Yun Wang,Keyuan Yang,Yanjun Lv et al.
Yun Wang et al.
Machine learning (ML) has emerged as a promising technique for nonlinear equalization in coherent optical communication systems. However, conventional ML-based equalization schemes typically rely on fixed network architectures and parameter...
Laser generation in an Er-doped tellurite cylindrical microresonator with effective radius variations [0.03%]
有效半径变化的掺铒碲酸盐圆柱微腔中的激光生成
N A Makarova,I D Vatnik
N A Makarova
We demonstrate a miniature laser based on a cylindrical whispering-gallery-mode (WGM) microresonator made of erbium-doped tellurite glass. The laser is excited by a widely available broadband 976 nm laser diode and operates in the telecommu...