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@article{Noebauer:2015:10.1103/PhysRevLett.115.190801,
author = {Noebauer, T and Angerer, A and Bartels, B and Trupke, M and Rotter, S and Schmiedmayer, J and Mintert, F and Majer, J},
doi = {10.1103/PhysRevLett.115.190801},
journal = {Physical Review Letters},
title = {Smooth optimal quantum control for robust solid-state spin magnetometry},
url = {http://dx.doi.org/10.1103/PhysRevLett.115.190801},
volume = {115},
year = {2015}
}

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TY  - JOUR
AB  - 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 μm3/2 in sensitivity times square root volume.
AU  - Noebauer,T
AU  - Angerer,A
AU  - Bartels,B
AU  - Trupke,M
AU  - Rotter,S
AU  - Schmiedmayer,J
AU  - Mintert,F
AU  - Majer,J
DO  - 10.1103/PhysRevLett.115.190801
PY  - 2015///
SN  - 0031-9007
TI  - Smooth optimal quantum control for robust solid-state spin magnetometry
T2  - Physical Review Letters
UR  - http://dx.doi.org/10.1103/PhysRevLett.115.190801
UR  - http://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcApp=PARTNER_APP&SrcAuth=LinksAMR&KeyUT=WOS:000364216600001&DestLinkType=FullRecord&DestApp=ALL_WOS&UsrCustomerID=1ba7043ffcc86c417c072aa74d649202
UR  - https://journals.aps.org/prl/abstract/10.1103/PhysRevLett.115.190801
VL  - 115
ER  -

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