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About our Research
We research magnetism and quantum information science in the solid state. We are interested in both fundamental phenomena and applications. Current research includes:
- Coupling spins to mechanical resonators to enable new forms of quantum control, quantum sensing, and hybrid quantum systems.
- Quantum interactions between single spins and magnons to enable entanglement and quantum transduction.
- Quantum magnonic systems composed of a superconducting circuit and low-damping magnons.
- Quantum sensing of magnetic materials using NV centers.
- New materials for Josephson junctions to enhance the functionality and robustness of superconducting quantum circuits.
- The development of time-resolved scanning probe magneto-thermal microscopy as a tool for spintronics.
- Antiferromagnetic spintronics.
*We have opportunities for graduate students and postdocs.
Publications
Coherent Control of a Nitrogen-Vacancy Center Spin Ensemble with a Diamond Mechanical Resonator
E. R. MacQuarrie, T. A. Gosavi, A. M. Moehle, N. R. Jungwirth, S. A. Bhave, and G. D. Fuchs, “Coherent Control of a Nitrogen-Vacancy Center Spin Ensemble with a Diamond Mechanical Resonator.” Optica, 2, 233 (2015).
• Cornell Chronicle Coverage, “Electron spins controlled using sound waves.”
Single Spins Charge Ahead
Gregory Fuchs, “Single Spins Charge Ahead.” Physics 7, 23 (2014).
A single-molecule approach to ZnO defect studies: single photons and single defects
N. R. Jungwirth, Y. Y. Pai, H. S. Chang, E. R. MacQuarrie, K. X. Nguyen, and G. D. Fuchs, “A single-molecule approach to ZnO defect studies: single photons and single defects.” J. Appl. Phys. 116, 043509 (2014).
Mechanical spin control of nitrogen-vacancy centers in diamond
E. R. MacQuarrie, T. A. Gosavi, N. R. Jungwirth, S. A. Bhave, and G. D. Fuchs, “Mechanical spin control of nitrogen-vacancy centers in diamond,” Phys. Rev. Lett. 111, 227602 (2013).
- Cornell Chronicle Coverage – ‘Shaken, not stirred’: Oscillator drives electron spin
- SPIE Newsroom article – Direct spin-phonon coupling with nitrogen-vacancy centers in diamond DOI:10.1117/2.1201403.005348 (2014).
Quantum Control Over Single Spins in Diamond
V.V. Dobrovitski, G.D. Fuchs, A.L. Falk, C. Santori, and D.D. Awschalom, “Quantum Control Over Single Spins in Diamond.” Annual Reviews of Condensed Matter Physics 4, 23-50 (2013).