Browsing by Author "Belthangady, Chinmay"

Now showing items 1-9 of 9

    • Dressed-State Resonant Coupling between Bright and Dark Spins in Diamond 

      Belthangady, Chinmay N.; Bar-Gill, N.; Pham, Linh My; Arai, K.; Le Sage, David Anthony; Cappellaro, P.; Walsworth, Ronald Lee (American Physical Society, 2013)
      Under ambient conditions, spin impurities in solid-state systems are found in thermally mixed states and are optically “dark”; i.e., the spin states cannot be optically controlled. Nitrogen-vacancy (NV) centers in diamond ...

    • Efficient photon detection from color centers in a diamond optical waveguide 

      LeSage, David Anthony; Pham, Linh My; Bar-Gill, N.; Belthangady, Chinmay N.; Lukin, Mikhail D.; Yacoby, Amir; Walsworth, Ronald L. (American Physical Society (APS), 2012)
      A common limitation of experiments using color centers in diamond is the poor photon collection efficiency of microscope objectives due to refraction at the diamond interface. We present a simple and effective technique ...

    • Enhanced metrology using preferential orientation of nitrogen-vacancy centers in diamond 

      Pham, Linh My; Bar-Gill, N.; LeSage, David Anthony; Belthangady, Chinmay N.; Stacey, A.; Markham, M.; Twitchen, D. J.; Lukin, Mikhail D.; Walsworth, Ronald L. (American Physical Society (APS), 2012)
      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 the {100} face. We identify the relevant ...

    • Enhanced solid-state multispin metrology using dynamical decoupling 

      Pham, Linh My; Bar-Gill, N.; Belthangady, Chinmay N.; LeSage, David Anthony; Cappellaro, P.; Lukin, Mikhail D.; Yacoby, Amir; Walsworth, Ronald L. (American Physical Society (APS), 2012)
      We use multipulse dynamical decoupling to increase the coherence lifetime (T2) of large numbers of nitrogen-vacancy (NV) electronic spins in room temperature diamond, thus enabling scalable applications of multispin quantum ...

    • Fourier magnetic imaging with nanoscale resolution and compressed sensing speed-up using electronic spins in diamond 

      Arai, K.; Belthangady, C; Zhang, Huiliang; Bar-Gill, N.; Devience, S; Cappellaro, P.; Yacoby, Amir; Walsworth, Ronald Lee (Nature Publishing Group, 2015)
      Optically-detected magnetic resonance using Nitrogen Vacancy (NV) color centres in diamond is a leading modality for nanoscale magnetic field imaging,1-3 as it pro-vides single electron spin sensitivity,4 three-dimensional ...

    • Nanoscale NMR spectroscopy and imaging of multiple nuclear species 

      DeVience, Stephen J.; Pham, Linh My; Lovchinsky, Igor; Sushkov, Alexander; Bar-Gill, Nir; Belthangady, Chinmay N.; Casola, Francesco; Corbett, Madeleine; Zhang, Huiliang; Lukin, Mikhail D.; Park, Hongkun; Yacoby, Amir; Walsworth, Ronald Lee (Nature Publishing Group, 2015)
      Nuclear magnetic resonance (NMR) spectroscopy and magnetic resonance imaging (MRI) provide non-invasive information about multiple nuclear species in bulk matter, with wide-ranging applications from basic physics and ...

    • Selective Addressing of Solid-State Spins at the Nanoscale via Magnetic Resonance Frequency Encoding 

      Zhang, H; Arai, Keigo; Belthangady, Chinmay; Jaskula, Jean-Christophe; Walsworth, Ronald; Walsworth (Springer Nature, 2017-08-15)
      The nitrogen vacancy centre in diamond is a leading platform for nanoscale sensing and imaging, as well as quantum information processing in the solid state. To date, individual control of two nitrogen vacancy electronic ...

    • Spectroscopy of composite solid-state spin environments for improved metrology with spin ensembles. 

      Bar-Gill, N.; Pham, L.; Belthangady, C; Le Sage, D; Cappellaro, P.; Maze, J.; Lukin, Mikhail D.; Yacoby, Amir; Walsworth, Ronald Lee (2012)
      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 generally limited by the dynamics of the spin ...

    • Suppression of spin-bath dynamics for improved coherence of multi-spin-qubit systems 

      Bar-Gill, N.; Pham, Linh My; Belthangady, Chinmay N.; LeSage, David Anthony; Cappellaro, P.; Maze, J.R.; Lukin, Mikhail D.; Yacoby, Amir; Walsworth, Ronald L. (Springer Nature, 2012)
      Multi-qubit systems are crucial for the advancement and application of quantum science. Such systems require maintaining long coherence times while increasing the number of qubits available for coherent manipulation. For ...