Broadband 1-GHz mid-infrared frequency comb Nazanin HoghooghiSida XingScott Diddams Article Open Access 07 Sept 2022 Mathematical operations and equation solving with reconfigurable metadevices Dimitrios C. TzarouchisMario Junior MencagliNader Engheta Article Open Access 07 Sept 2022 GANscan: continuous scanning microscopy using deep learning deblurring In order to speed up the microscopy acquisition process, we developed a method, termed GANscan, in which videos are recorded as the stage is moving at high speeds. Using generative adversarial networks (GANs), we achieve 30x the throughput of stop-and-stare systems. Michael John FanousGabriel Popescu Article Open Access 07 Sept 2022 Photo-induced macro/mesoscopic scale ion displacement in mixed-halide perovskites: ring structures and ionic plasma oscillations Contrary to the commonly assumed local segregation in mixed halide perovskite alloys, this work reveals the nonlocal nature of the “segregation”, a macroscopic/mesoscopic scale oscillatory charge displacement. Xiaoxiao SunYong ZhangWeikun Ge Article Open Access 07 Sept 2022 Special Issue: Rare earth luminescent materials This special issue covers a series of cutting-edge works on exploring novel rare earth luminescent materials and their applications in lighting, display, information storage, sensing, and bioimaging as well as therapy. Hongjie ZhangHong Zhang Editorial Open Access 02 Sept 2022 Shipborne oceanic high-spectral-resolution lidar for accurate estimation of seawater depth-resolved optical properties Shipborne oceanic high-spectral-resolution lidar for accurate estimation of seawater depth-resolved optical properties Yudi ZhouYang ChenDong Liu Article Open Access 02 Sept 2022