We present a comprehensive review on the geometric-phase based metasurfaces for orbital
angular momentum (OAM) generation and detection. These metasurfaces manipulate the …

Vortex beam carrying orbital angular momentum (OAM) has been widely explored in optical
and microwave regions attributed to its potential characteristics in communication systems …

In this paper, ultra-thin metalenses are proposed to generate converging and non-diffractive
vortex beam carrying orbital angular momentum (OAM) in microwave region. Phase …

Vortex beams carrying orbital angular momentum (OAM) are extensively studied owing to its
potential to expand channel capacity of microwave and optical communication. By utilizing …

For many communication systems, including wireless networks, mobile, satellite, radar,
remote sensing, and many more applications, antenna arrays are very necessary. Utilizing …

Millimeter-wave (mmWave) and orbital angular momentum (OAM) multiplexing are two key
technologies for modern wireless communications, where significant efforts have been …

A super-resolution imaging technique based on the vortex electromagnetic (EM) wave,
which carries orbital angular momentum (OAM), is reported in this paper. The proof-of …

该文从成像结果表征, 孔径流形, 信号通道, 系统形态, 观测方向, 处理方法, 实现机理,
目标识别等方面剖析了雷达对地成像技术的多向演化态势, 并试图从宏观的视角和大的时间尺度 …

By enabling very high bandwidth for radio communications, the millimeter-wave (mmWave),
which can easily be integrated with massive-multiple-input-multiple-output (massive-MIMO) …

Orbital angular momentum (OAM) is an intrinsic property that all electromagnetic waves can
carry. Interesting properties of OAM beams have enabled many novel applications. But …