Recently, intelligent reflecting surfaces (IRSs) have emerged as potential candidates for overcoming the line-of-sight issue in 5 G/6 G wireless communication. These IRSs can manipulate the direction ...
In this Article we propose and experimentally demonstrate PCSELs that enable high-power FM with suppressed amplitude modulation (AM) under direct modulation, and we apply these PCSELs to coherent FSO ...
Modulation is the act of translating some low-frequency or baseband signal (voice, music, and data) to a higher frequency. Why do we modulate signals? There are at least two reasons: to allow the ...
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