Smooth Optimal Quantum Control for Robust Solid-State Spin Magnetometry.
Phys Rev Lett
; 115(19): 190801, 2015 Nov 06.
Article
en En
| MEDLINE
| ID: mdl-26588369
We experimentally demonstrate a simple yet versatile optimal quantum control technique that achieves tailored robustness against qubit inhomogeneities and control errors while requiring minimal bandwidth. We apply the technique to nitrogen-vacancy (NV) centers in diamond and verify its performance using quantum process tomography. In a wide-field NV center magnetometry scenario, we achieve a homogeneous sensitivity across a 33% drop in control amplitude, and we improve the sensitivity by up to 2 orders of magnitude for a normalized detuning as large as 40%, achieving a value of 20 nT Hz(-1/2) µm(3/2) in sensitivity times square root volume.
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01-internacional
Base de datos:
MEDLINE
Idioma:
En
Revista:
Phys Rev Lett
Año:
2015
Tipo del documento:
Article
País de afiliación:
Austria
Pais de publicación:
Estados Unidos