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|Abstract:||Nuclear spins support long lived quantum coherence due to weak coupling to the environment, but are difficult to rapidly control using nuclear magnetic resonance as a result of the small nuclear magnetic moment. We demonstrate a fast similar to 500 ns nuclear spin phase gate on a N-14 nuclear spin qubit intrinsic to a nitrogen-vacancy center in diamond. The phase gate is enabled by the hyperfine interaction and off-resonance driving of electron spin transitions. Repeated applications of the phase gate bang-bang decouple the nuclear spin from the environment, locking the spin state for up to similar to 140 mu s.|
|Electronic Publication Date:||11-Jul-2014|
|Citation:||Sangtawesin, S, Brundage, TO, Petta, JR. (2014). Fast Room-Temperature Phase Gate on a Single Nuclear Spin in Diamond. PHYSICAL REVIEW LETTERS, 113 (10.1103/PhysRevLett.113.020506|
|Type of Material:||Journal Article|
|Journal/Proceeding Title:||PHYSICAL REVIEW LETTERS|
|Version:||Final published version. Article is made available in OAR by the publisher's permission or policy.|
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