49 citations · 56 across the 6 of their papers we have counts for
6 papers
Electric-Magnetic-Switchable Free-Space Skyrmions in Toroidal Light Pulses via a Nonlinear Metasurface
Li Niu, Xi Feng, Xueqian Zhang +10
Recent advances reveal that light propagation in free space supports many exotic topological textures, such as skyrmions. Their unique space-time topologies make them promising can…
Photonic Terahertz Phased Array
Li Niu, Xi Feng, Xueqian Zhang +11
Phased arrays are crucial in various technologies, such as radar and wireless communications, due to their ability to precisely control and steer electromagnetic waves. This precis…
Time-varying Nonlinear Effects in Terahertz Generation
Yongchang Lu, Xueqian Zhang, Haidi Qiu +6
Time-varying effects have unveiled new possibilities for manipulating electromagnetic waves through the temporal dimension. In this study, we experimentally explore these effects i…
Tailoring Terahertz Propagation by Phase and Amplitude Control in Metasurfaces
Jingjing Zheng, Xueqian Zhang, Lixiang Liu +5
Using metasurfaces to control the wave propagation at will has been very successful over the broad electromagnetic spectrum in recent years. By encoding specially designed abrupt c…
Pancharatnam-Berry phase induced spin-selective transmission in herringbone dielectric metamaterials
Mitchell Kenney, Shaoxian Li, Xueqian Zhang +9
Manipulating the polarisation of light is crucial for sensing and imaging applications. One such aspect in particular is selective transmission of one circular polarisation (spin)…
Coherent control of optical spin-to-orbital angular momentum conversion in metasurface
Huifang Zhang, Ming Kang, Xueqian Zhang +5
We propose and experimentally demonstrate that a metasurface consisting of Pancharatnam-Berry phase optical elements can enable the full control of optical spin-to-orbital angular…