Continuous Phase Modulation (CPM) constitutes a family of constant-envelope digital modulation techniques in which symbol transitions occur with continuous phase trajectories. By maintaining a ...

Recently, the need for fifth- and sixth-generation (5 G/6 G) wireless communication technologies that offer enhanced communication capabilities has emerged and developed. As these technologies operate ...

Active metadevices integrated with semiconductors. (a) Hybrid silicon-metallic resonators for all-optical ultrafast active metamaterials. (b) Broadband metamaterial frequency switch with femtosecond ...