Creating 2D interacting ensembles of nitrogen-vacancy centers, arranged and entangled within diamond, for quantum sensing spin quibits


"defect where nitrogen substitutes for carbon atom next to vacancy (missing carbon atom)... defect possesses long-lived spin that can couple to/ sense magnetic field... defects densely packed, confined to 2D layer, orientations exhibit strong dipolar interactions... improves signal-to-noise ratio... solid-state, no vacuum chambers/ lasers... (1) spin-squeezing increasing precision like adding finer gradations to ruler, (2) amplifying signal without increasing noise... future: greater control over spins' spatial positioning"

Related: Turning crystal flaws into quantum highways: a new route towards scalable solid-state qubits
https://www.eurekalert.org/news-releases/1112758

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