Superconductor ICs: the 100-GHz second generation
IMAGE: JAMES LUKENS, STATE UNIVERSITY OF NEW YORK AT STONY BROOK [1] Researchers have demonstrated simple digital frequency dividers with Josephson junctions that have 0.25-µm minimum features and that operate at data rates up to 770 Gb/s. They rely on rapid single flux quantum (RSFQ) circuits, whose speed grows as junction sizes shrink. At 0.25 […]
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