Pham, Linh M.;
DeVience, Stephen J.;
Casola, Francesco;
Lovchinsky, Igor;
Sushkov, Alexander O.;
Bersin, Eric;
Lee, Junghyun;
Urbach, Elana;
Cappellaro, Paola;
Park, Hongkun;
Yacoby, Amir;
Lukin, Mikhail;
Walsworth, Ronald L.
NMR technique for determining the depth of shallow nitrogen-vacancy centers in diamond