43 citations · 177 across the 9 of their papers we have counts for
9 papers
Rapid, in-situ neutralization of nitrogen- and silicon-vacancy centers in diamond using above-band-gap optical excitation
Christian Pederson, Nicholas S. Yama, Lane Beale +2
The charge state of a quantum point defect in a solid state host strongly determines its optical and spin characteristics. Consequently, techniques for controlling the charge state…
Creation of color centers in diamond by recoil implantation through dielectric films
Yuyang Han, Christian Pederson, Bethany E. Matthews +3
The need of near-surface color centers in diamond for quantum technologies motivates the controlled doping of specific extrinsic impurities into the crystal lattice. Recent experim…
Optical tuning of the diamond Fermi level measured by correlated scanning probe microscopy and quantum defect spectroscopy
Christian Pederson, Rajiv Giridharagopal, Fang Zhao +4
Quantum technologies based on quantum point defects in crystals require control over the defect charge state. Here we tune the charge state of shallow nitrogen-vacancy and silicon-…
Silicon-lattice-matched boron-doped gallium phosphide: A scalable acousto-optic platform
Nicholas S. Yama, I-Tung Chen, Srivatsa Chakravarthi +9
The compact size, scalability, and strongly confined fields in integrated photonic devices enable new functionalities in photonic networking and information processing, both classi…
Hybrid Integration of GaP Photonic Crystal Cavities with Silicon-Vacancy Centers in Diamond by Stamp-Transfer
Srivatsa Chakravarthi, Nicholas S. Yama, Alex Abulnaga +6
Optically addressable solid-state defects are emerging as one of the most promising qubit platforms for quantum networks. Maximizing photon-defect interaction by nanophotonic cavit…
Triply-Resonant Sum Frequency Conversion with Gallium Phosphide Ring Resonators
Alan D. Logan, Shivangi Shree, Srivatsa Chakravarthi +5
We demonstrate quasi-phase matched, triply-resonant sum frequency conversion in 10.6-um-diameter integrated gallium phosphide ring resonators. A small-signal, waveguide-to-waveguid…
Impact of surface and laser-induced noise on the spectral stability of implanted nitrogen-vacancy centers in diamond
Srivatsa Chakravarthi, Christian Pederson, Zeeshawn Kazi +2
Scalable realizations of quantum network technologies utilizing the nitrogen vacancy center in diamond require creation of optically coherent NV centers in close proximity to a sur…
Inverse-designed photon extractors for optically addressable defect qubits
Srivatsa Chakravarthi, Pengning Chao, Christian Pederson +6
Solid-state defect qubit systems with spin-photon interfaces show great promise for quantum information and metrology applications. Photon collection efficiency, however, presents…
A window into NV center kinetics via repeated annealing and spatial tracking of thousands of individual NV centers
Srivatsa Chakravarthi, Chris Moore, April Opsvig +6
Knowledge of the nitrogen-vacancy center formation kinetics in diamond is critical to engineering sensors and quantum information devices based on this defect. Here we utilize the…