Vortex beams carrying orbital angular momentum (OAM), which feature helical wavefronts,
have been regarded as an alternative degree of freedom for free-space optical (FSO) …

Quantum key distribution (QKD) can generate secure key bits between remote users
employing the features of quantum physics. However, a shared reference frame is …

Facilitated by the ability to reflect radiation along its incident direction, retroreflectors have
been perceived as a pivotal component for establishing reliable free‐space optical links …

Vortex beams carrying orbital angular momentum (OAM) with the doughnut-shaped intensity
distribution can be employed in free-space optical (FSO) communication links to circumvent …

The control of structured waves has recently opened innovative scenarios in the perspective
of radiation propagation, advanced imaging, and light-matter interaction. In information and …

We introduce a Fabry–Perot cavity-length modulation technique for measuring the linewidth
of a continuous wave (cw) laser. We calculate the peak intensity of a cw laser transmitted …

Grating coupled surface emitting lasers with rectangular as well as blazed grating
outcouplers were investigated. Horizontal cavity InGaAs/AlGaAs laser oscillators, with two …

弱大气湍流条件下, 针对轨道角动量键控自由空间光通信系统, 基于Gerchberg-Saxton
算法和角谱理论, 提出了一种改进的Laguerre-Gaussian 光束波前相位校正算法 …

轨道角动量(OAM) 复用和编码技术可有效提高光通信系统信道容量. 近些年研究者提出将机器
学习(ML) 技术用于OAM 模式探测以提高OAM 光通信系统性能. 本文对基于机器学习的OAM …

To optimize luminescence properties of oxonitridosilicate phosphors are extremely
necessary for improving lighting quality of white light-emitting diodes (WLEDs). Herein, we …