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Enhanced metrology using preferential orientation of nitrogen-vacancy centers in diamond
L. M. Pham, N. Bar-Gill, D. Le Sage +5
We demonstrate preferential orientation of nitrogen-vacancy (NV) color centers along two of four possible crystallographic axes in diamonds grown by chemical vapor deposition on th…
Magnetic field imaging with NV ensembles
L. M. Pham, D. Le Sage, P. L. Stanwix +9
We demonstrate a method of imaging spatially varying magnetic fields using a thin layer of nitrogen-vacancy (NV) centers at the surface of a diamond chip. Fluorescence emitted by t…
Enhanced solid-state multi-spin metrology using dynamical decoupling
L. M. Pham, N. Bar-Gill, C. Belthangady +5
We use multi-pulse dynamical decoupling to increase the coherence lifetime (T2) of large numbers of nitrogen-vacancy (NV) electronic spins in room temperature diamond, thus enablin…
Spectroscopy of composite solid-state spin environments for improved metrology with spin ensembles
N. Bar-Gill, L. M. Pham, C. Belthangady +6
For precision coherent measurements with ensembles of quantum spins the relevant Figure-of-Merit (FOM) is the product of polarized spin density and coherence lifetime, which is gen…
Coherence of Nitrogen-Vacancy Electronic Spin Ensembles in Diamond
P. L. Stanwix, L. M. Pham, J. R. Maze +7
We present an experimental and theoretical study of electronic spin decoherence in ensembles of nitrogen-vacancy (NV) color centers in bulk high-purity diamond at room temperature.…