Department of Environmental Biology, Sapienza University of Rome, P.le Aldo Moro 5, Rome 00185, Italy NMR-based Metabolomics Laboratory (NMLab), Sapienza University of Rome, P.le A. Moro 5, Rome 00185 ...

Energy Research Institute @ Nanyang Technological University, ERI@N, Interdisciplinary Graduate School, Nanyang Technological University, 50 Nanyang Avenue, Singapore 639798, Singapore ...

In this letter, we propose and experimentally demonstrate an ultra-compact, broadband 3 dB PIPS, whose design is based on a sub-wavelength pixelated structure with a footprint of $2.5\times \,\, ...