Recent Publications

Coherent control and spectroscopy of a semiconductor quantum dot Wigner molecule,” J. Corrigan, J. P. Dodson, H. Ekmel Ercan, J. C. Abadillo-Uriel, Brandur Thorgrimsson, T. J. Knapp, Nathan Holman, Thomas McJunkin, Samuel F. Neyens, E. R. MacQuarrie, Ryan H. Foote, L. F. Edge, Mark Friesen, S. N. Coppersmith, and M. A. Eriksson, arXiv:2009.13572. Preprint [arXiv]
Charge qubit in a triple quantum dot with tunable coherence,” B. Kratochwil, J. V. Koski, A. J. Landig, P. Scarlino, J. C. Abadillo-Uriel, C. Reichl, S. N. Coppersmith, W. Wegscheider, Mark Friesen, A. Wallraff, T. Ihn, and K. Ensslin, Phys. Rev. Research 3, 013171 (2021) [Journal]
Progress toward a capacitively mediated CNOT between two charge qubits in Si/SiGe,” E. R. MacQuarrie, Samuel F. Neyens, J. P. Dodson, J. Corrigan, Brandur Thorgrimsson, Nathan Holman, M. Palma, L. F. Edge, Mark Friesen, S. N. Coppersmith, and M. A. Eriksson, npj Quantum Inform. 6, 81 (2020) [Journal]
Microwave Engineering for Semiconductor Quantum Dots in a cQED Architecture,” Nathan Holman, J. P. Dodson, L. F. Edge, S. N. Coppersmith, Mark Friesen, R. McDermott, and M. A. Eriksson, Appl. Phys. Lett. 117, 083502 (2020) [arXiv | Journal]
All-optical intrinsic atomic gradiometer with sub-20 fT/cm/√ Hz sensitivity in a 22 µT earth-scale magnetic field,” AR Perry, MD Bulatowicz, M Larsen, TG Walker, and R Wyllie, Optics Express 28 (24), 36696-36705 (2020) [GScholar]
   V. N. Premakumar, M. Saffman, and R. Joynt, Measurement-free error correction with coherent ancillas  arXiv  (2020)
Impacts of random filling on spin squeezing via Rydberg dressing in optical clocks,” J. Van Damme, X. Zheng, M. Saffman, M.G. Vavilov, S. Kolkowitz, under review at PRX Quantum, pre-print at [arXiv]
Three-Omega Thermal-Conductivity Measurements with Curved Heater Geometries,” G. R. Jaffe, Keenan J. Smith, Victor W. Brar, M. G. Lagally, and M. A. Eriksson, Appl. Phys. Lett. 117, 073102 (2020) [arXiv | Journal]
Atomic interferometer system,” MS Larsen, TG Walker, and JM Brown, US Patent App. 16/866,931 (2020) [GScholar]
Effect of Quantum Hall Edge Strips on Valley Splitting in Silicon Quantum Wells,” Brian Paquelet Wuetz, Merritt P. Losert, Alberto Tosato, Mario Lodari, Peter L. Bavdaz, Lucas Stehouwer, Payam Amin, James S. Clarke, Susan N. Coppersmith, Amir Sammak, Menno Veldhorst, Mark Friesen, and Giordano Scappucci, Phys. Rev. Lett. 125, 186801 (2020) [Journal]
Spatial Noise Correlations in a Si/SiGe Two-Qubit Device from Bell State Coherences,” Jelmer M. Boter, X. Xue, Tobias S. Krahenmann, T. F. Watson, Vickram N. Premakumar, D. R. Ward, D. E. Savage, M. G. Lagally, Mark Friesen, S. N. Coppersmith, M. A. Eriksson, Robert Joynt, and L. M. K. Vandersypen, Phys. Rev. B 101, 235133 (2020) [arXiv | Journal]
Pulsed-beam atomic magnetometer system,” MD Bulatowicz, TG Walker, and MS Larsen, US Patent 10,823,790, 1 (2020) [GScholar]
State-dependent phonon-limited spin relaxation of nitrogen-vacancy centers,” M.C. Cambria, A. Gardill, Y. Li, A. Norambuena, J.R. Maze, S. Kolkowitz, under review at Physical Review Letters, pre-print at [arXiv]
The effect of external electric fields on silicon with superconducting gallium nano-precipitates,” B. Thorgrimsson, T. McJunkin, E. R. MacQuarrie, S. N. Coppersmith, and M. A. Eriksson, J. Appl. Phys. 127, 215102 (2020) [arXiv | Journal]
M. Saffman,” I. I. Beterov, A. Dalal, E. J. Paez, and B. C. Sanders, Symmetric Rydberg controlled-Z gates with adiabatic pulses Phys. Rev. A 101 062309 (2020)
Linear and Nonlinear Crystal Optics Using the Magnetic Field of Light,” Z. N. Buckholtz and D. D. Yavuz Phys. Rev. A 101, 02831 (2020)“ [PDF]
Strong photon coupling to the quadrupole moment of an electron in a solid-state qubit,” J. V. Koski, A. J. Landig, M. Russ, J. C. Abadillo-Uriel, P. Scarlino, B. Kratochwil, C. Reichl, W. Wegscheider, Guido Burkard, Mark Friesen, S. N. Coppersmith, A. Wallraff, K. Ensslin, and T. Ihn, Nature Physics 16, 642 (2020) [Journal]
Repetitive Quantum Nondemolition Measurement and Soft Decoding of a Silicon Spin Qubit,” Xiao Xue, Benjamin D’Anjou, Thomas F. Watson, Daniel R. Ward, Donald E. Savage, Max G. Lagally, Mark Friesen, Susan N. Coppersmith, Mark A. Eriksson, William A. Coish, and Lieven M. K. Vandersypen, Phys. Rev. X 10, 021006 (2020) [Journal]
Adjoint-optimized nanoscale light extractor for nitrogen-vacancy centers in diamond,” R.A. Wambold, Z. Yu, Y. Xiao, B. Bachman, G. Jaffe, S. Kolkowitz, J.T. Choy, M. Eriksson, R.J. Hamers, and M.A. Kats, accepted for publication in Nanophotonics, pre-print at [arXiv]
Atomic clock system,” MS Larsen, and TG Walker, US Patent 10,725,431 (2020) [GScholar]
N. Lauk,” N. Sinclair, S. Barzanjeh, J. P. Covey, M. Saffman, M. Spiropulu, and C. Simon, Perspectives on quantum transduction, Qu. Sci. Tech. 5, 020501 (2020)
Lifting of spin blockade by charged impurities in Si-MOS double quantum dot devices,” Cameron King, Joshua S. Schoenfield, M. J. Calderón, Belita Koiller, André Saraiva, Xuedong Hu, HongWen Jiang, Mark Friesen, and S. N. Coppersmith, Phys. Rev. B 101, 155411 (2020) [Journal]
Auto-tuning of double dot devices in situ with machine learning,” Justyna P. Zwolak, T. McJunkin, Sandesh S. Kalantre, J. P. Dodson, E. R. MacQuarrie, D. E. Savage, M. G. Lagally, S. N. Coppersmith, M. A. Eriksson, and Jacob M. Taylor, Phys. Rev. Applied 13, 034075 (2020) [arXiv | Journal]
Majorana bound states in nanowire-superconductor hybrid systems in periodic magnetic fields,” Viktoriia Kornich, Maxim G. Vavilov, Mark Friesen, M. A. Eriksson, and S. N. Coppersmith, Phys. Rev. B 101, 125414 (2020) [Journal]
Fast relaxation on qutrit transitions of nitrogen-vacancy Centers in nanodiamonds,” A. Gardill, M.C. Cambria, and S. Kolkowitz, Physical Review Applied 13, 034010 (2020) [Journal]
M. Kwon,” P. Yang, P. Huft, C. Young, M. Ebert, and M. Saffman, Generation of 14.0 W of single-frequency light at 770 nm by intracavity frequency doubling Opt. Lett.  45, 339 (2020)
A Synchronous Spin-Exchange Optically Pumped NMR-Gyroscope,” SS Sorensen, DA Thrasher, and TG Walker, Applied Sciences 10 (20), 7099 (2020) [GScholar]
High-fidelity entangling gates for quantum-dot hybrid qubits based on exchange interactions,” Yuan-Chi Yang, S. N. Coppersmith, and Mark Friesen, Phys. Rev. A 101, 012338 (2020) [Journal]
Dual-Species Synchronous Spin-Exchange Optical Pumping,” DA Thrasher, SS Sorensen, and TG Walker, arXiv preprint arXiv:1912.04991, 1 (2019) [arXiv | GScholar]
Measurements of Capacitive Coupling Within a Quadruple-Quantum-Dot Array,” Samuel F. Neyens, E.R. MacQuarrie, J.P. Dodson, J. Corrigan, Nathan Holman, Brandur Thorgrimsson, M. Palma, Thomas McJunkin, L.F. Edge, Mark Friesen, S.N. Coppersmith, and M.A. Eriksson, Phys. Rev. Appl. 12, 064049 (2019) [Journal]
T. M. Graham,” M. Kwon, B. Grinkemeyer, Z. Marra, X. Jiang, M. T. Lichtman, Y. Sun, M. Ebert, and M. Saffman, Rydberg-Mediated Entanglement in a Two-Dimensional Neutral Atom Qubit Array Phys. Rev. Lett. 123, 230501 (2019)
Characterizing atomic magnetic gradiometers for fetal magnetocardiography,” IA Sulai, ZJ DeLand, MD Bulatowicz, CP Wahl, RT Wakai, and TG Walker, Review of Scientific Instruments 90 (8), 085003, 9 (2019) [GScholar]
High-fidelity single-qubit gates in a strongly driven quantum-dot hybrid qubit with 1/f charge noise,” Yuan-Chi Yang, S. N. Coppersmith, and Mark Friesen, Phys. Rev. A 100, 022337 (2019) [Journal]
Enhancing the dipolar coupling of a S-T0 qubit with a transverse sweet spot,” J. C. Abadillo-Uriel, M. A. Eriksson, S. N. Coppersmith, and Mark Friesen, Nature Comm. 10, 5641 (2019) [arXiv | Journal]
Low Lying Triplet Bands of Diatomic Alkali Molecules,” J Huennekens, S Schaefer, T Walker, W Happer, and M Ligare, Proceedings Seventh International Conference Aussois, France, June 11–15 … (2019) [GScholar]
Microwave to optical conversion with atoms on a superconducting chip,” D. Petrosyan, K. Mølmer, J. Fortagh,and M. Saffman, New J. Phys. 21, 073033 (2019) [PDF]
Quantum computing with semiconductor spins,” L. M. K. Vandersypen and M. A. Eriksson, Physics Today 72, 38 (2019) [Journal]
An all-optical atomic magnetometer-gradiometer for use in Earth's field,” R Wyllie, A Perry, T Walker, B Buckley, G Morrison, M Bulatowicz, … APS Division of Atomic, Molecular and Optical Physics Meeting Abstracts 2019 … (2019) [GScholar]
Virtual-photon-mediated spin-qubit–transmon coupling,” A. J. Landig, J. V. Koski, P. Scarlino, C. Müller, J. C. Abadillo-Uriel, B. Kratochwil, C. Reichl, W. Wegscheider, S. N. Coppersmith, Mark Friesen, A. Wallraff, T. Ihn, and K. Ensslin, Nature Commun. 10, 5037 (2019) [Journal]
No-go bounds for quantum seals,” S. Kimmel and S. Kolkowitz, Physical Review A 100, 052326 (2019) [Journal]
Benchmarking Gate Fidelities in a Si/SiGe Two-Qubit Device,” X. Xue, T. F. Watson, J. Helsen, D. R. Ward, D. E. Savage, M. G. Lagally, S. N. Coppersmith, M. A. Eriksson, S. Wehner, and L. M. K. Vandersypen, Phys. Rev. X 9, 021011 (2019) [arXiv | Journal]
Microwave-to-optical conversion via four-wave mixing in a cold ytterbium ensemble,” J. P. Covey, A. Sipahigil, and M. Saffman,  P hys. Rev. A 100, 012307 (2019) [PDF]
Preparation and control of neutral atom ensemble qubits using Rydberg interactions,” C Young, M Kwon, P Yang, P Huft, B Radzom, M Ebert, T Walker, … APS Division of Atomic, Molecular and Optical Physics Meeting Abstracts 2019 … (2019) [GScholar]
Adiabatic two-qubit gates in capacitively coupled quantum dot hybrid qubits,” Adam Frees, Sebastian Mehl, John King Gamble, Mark Friesen, and S. N. Coppersmith, npj Quantum Inform. 5, 73 (2019) [Journal]
Measurements of the Thermal Resistivity of InAlAs, InGaAs, and InAlAs/InGaAs Superlattices,” G. R. Jaffe, S. Mei, C. Boyle, J. D. Kirch, D. E. Savage, D. Botez, L. J. Mawst, I. Knezevic, M. G. Lagally, and M. A. Eriksson, ACS Appl. Mat. Int. 11, 11970 (2019) [Journal]
Synchronous Spin-Exchange Optically Pumped NMR Gyro,” D Thrasher, S Sorensen, M Bulatowicz, and T Walker, APS Division of Atomic, Molecular and Optical Physics Meeting Abstracts 2019 … (2019) [GScholar]
Achieving high-fidelity single-qubit gates in a strongly driven charge qubit with 1/f charge noise,” Yuan-Chi Yang, S. N. Coppersmith, and Mark Friesen, npj Quantum Inform. 5, 12 (2019) [Journal]