Michael Thoennessen
PRX Quantum 1, 020001 (2020) - Published 18 November, 2020
Tom Manovitz, Yotam Shapira, Nitzan Akerman, Ady Stern, and Roee Ozeri
PRX Quantum 1, 020303 (2020) - Published 16 October, 2020
The range of quantum systems that can be simulated using trapped-ion chains is substantially expanded by applying simple experimental tools.
Xingze Qiu, Peter Zoller, and Xiaopeng Li
PRX Quantum 1, 020311 (2020) - Published 6 November, 2020
An innovative encoding protocol is proposed to map quantum-annealing to a local architecture realizable in 3D atomic systems, such as optical lattices and Rydberg tweezer arrays.
Ivan H. Deutsch
PRX Quantum 1, 020101 (2020) - Published 13 November, 2020
Inaugural Perspective describing how curiosity-driven research led to radically new quantum technologies and why continued inquiry is required for further progress.
Daniil M. Lukin, Melissa A. Guidry, and Jelena Vučković
PRX Quantum 1, 020102 (2020) - Published 15 December, 2020
A discussion on how silicon carbide photonics can enable the quantum technologies of the future is presented.
L. Bergeron, C. Chartrand, A. T. K. Kurkjian, K. J. Morse, H. Riemann, N. V. Abrosimov, P. Becker, H.-J. Pohl, M. L. W. Thewalt, and S. Simmons
PRX Quantum 1, 020301 (2020) - Published 2 October, 2020
A silicon color center is identified and characterized revealing a long-lived and robust photon-spin interface suitable for engineering quantum technologies.
Denis V. Vasilyev, Andrey Grankin, Mikhail A. Baranov, Lukas M. Sieberer, and Peter Zoller
PRX Quantum 1, 020302 (2020) - Published 9 October, 2020
A multi-qubit gate is devised to learn, in a minimally invasive way, the state and dynamics of an analog quantum simulator based on a Rydberg tweezer platform.
Tom Manovitz, Yotam Shapira, Nitzan Akerman, Ady Stern, and Roee Ozeri
PRX Quantum 1, 020303 (2020) - Published 16 October, 2020
The range of quantum systems that can be simulated using trapped-ion chains is substantially expanded by applying simple experimental tools.
Nathan Lacroix, Christoph Hellings, Christian Kraglund Andersen, Agustin Di Paolo, Ants Remm, Stefania Lazar, Sebastian Krinner, Graham J. Norris, Mihai Gabureac, Johannes Heinsoo, Alexandre Blais, Christopher Eichler, and Andreas Wallraff
PRX Quantum 1, 020304 (2020) - Published 20 October, 2020
A hardware-efficient gate set for superconducting qubits is shown to improve the performance of deep quantum optimization algorithms.
Mattia Walschaers, Valentina Parigi, and Nicolas Treps
PRX Quantum 1, 020305 (2020) - Published 22 October, 2020
Einstein-Podolsky-Rosen steering is proven to be a necessary condition to engineer states with a negative Wigner function.
Aaron Z. Goldberg and Aephraim M. Steinberg
PRX Quantum 1, 020306 (2020) - Published 29 October, 2020
More coherent than coherent states: Novel quantum states of light are optimal for creating coherent superposition of qubit states.
I. Gianani, Y.S. Teo, V. Cimini, H. Jeong, G. Leuchs, M. Barbieri, and L.L. Sánchez-Soto
PRX Quantum 1, 020307 (2020) - Published 30 October, 2020
A simple compressive procedure that allows for a reliable and efficient characterization of any quantum measurement is demonstrated.
Pablo M. Poggi, Nathan K. Lysne, Kevin W. Kuper, Ivan H. Deutsch, and Poul S. Jessen
PRX Quantum 1, 020308 (2020) - Published 2 November, 2020
A framework to predict whether a noisy quantum simulation is reliable is presented and experimentally validated.
Armin Rahmani, Kevin J. Sung, Harald Putterman, Pedram Roushan, Pouyan Ghaemi, and Zhang Jiang
PRX Quantum 1, 020309 (2020) - Published 3 November, 2020
A clever quantum algorithm is designed to enable the study of a class of strongly interacting fermionic systems on a digitized quantum computer.
C. Walsh, P. Sémon, D. Poulin, G. Sordi, and A.-M. S. Tremblay
PRX Quantum 1, 020310 (2020) - Published 5 November, 2020
Sharp variations of entanglement might be a key feature for characterizing physical systems described by a finite-temperature doped Hubbard model.
Xingze Qiu, Peter Zoller, and Xiaopeng Li
PRX Quantum 1, 020311 (2020) - Published 6 November, 2020
An innovative encoding protocol is proposed to map quantum-annealing to a local architecture realizable in 3D atomic systems, such as optical lattices and Rydberg tweezer arrays.
Yuval R. Sanders, Dominic W. Berry, Pedro C.S. Costa, Louis W. Tessler, Nathan Wiebe, Craig Gidney, Hartmut Neven, and Ryan Babbush
PRX Quantum 1, 020312 (2020) - Published 9 November, 2020
The resources required for implementing a diverse range of fault-tolerant quantum optimization algorithms are rigorously analyzed, elucidating the challenges of realizing a quantum advantage for algorithms giving only a quadratic speedup.
Thomas B. Smith, Maja C. Cassidy, David J. Reilly, Stephen D. Bartlett, and Arne L. Grimsmo
PRX Quantum 1, 020313 (2020) - Published 10 November, 2020
Majorana zero modes can be quickly and accurately measured using a well-known scheme from circuit quantum electrodynamics.
Jeffrey A. Grover, James I. Basham, Alexander Marakov, Steven M. Disseler, Robert T. Hinkey, Moe Khalil, Zachary A. Stegen, Thomas Chamberlin, Wade DeGottardi, David J. Clarke, James R. Medford, Joel D. Strand, Micah J. A. Stoutimore, Sergey Novikov, David G. Ferguson, Daniel Lidar, Kenneth M. Zick, and Anthony J. Przybysz
PRX Quantum 1, 020314 (2020) - Published 19 November, 2020
A method is demonstrated to quickly and reliably determine the state of low-persistent-current flux qubits, opening the door to higher-coherence quantum annealing.
Jeffrey A. Grover, James I. Basham, Alexander Marakov, Steven M. Disseler, Robert T. Hinkey, Moe Khalil, Zachary A. Stegen, Thomas Chamberlin, Wade DeGottardi, David J. Clarke, James R. Medford, Joel D. Strand, Micah J. A. Stoutimore, Sergey Novikov, David G. Ferguson, Daniel Lidar, Kenneth M. Zick, and Anthony J. Przybysz
PRX Quantum 1, 020314 (2020) - Published 19 November, 2020
A method is demonstrated to quickly and reliably determine the state of low-persistent-current flux qubits, opening the door to higher-coherence quantum annealing.
William Hease, Alfredo Rueda, Rishabh Sahu, Matthias Wulf, Georg Arnold, Harald G.L. Schwefel, and Johannes M. Fink
PRX Quantum 1, 020315 (2020) - Published 23 November, 2020
A low-noise microwave photonic transceiver operating at MHz bandwidth is demonstrated, enabling powerful telecom quantum networks.
Tobias Olsacher, Lukas Postler, Philipp Schindler, Thomas Monz, Peter Zoller, and Lukas M. Sieberer
PRX Quantum 1, 020316 (2020) - Published 2 December, 2020
An outstanding challenge to scale-up trapped-ion quantum processors may be solved by using optical tweezer arrays to properly design localized phonon modes.
Raju Valivarthi, Samantha I. Davis, Cristián Peña, Si Xie, Nikolai Lauk, Lautaro Narváez, Jason P. Allmaras, Andrew D. Beyer, Yewon Gim, Meraj Hussein, George Iskander, Hyunseong Linus Kim, Boris Korzh, Andrew Mueller, Mandy Rominsky, Matthew Shaw, Dawn Tang, Emma E. Wollman, Christoph Simon, Panagiotis Spentzouris, Daniel Oblak, Neil Sinclair, and Maria Spiropulu
PRX Quantum 1, 020317 (2020) - Published 4 December, 2020
Time-bin qubits are teleported using off-the-shelf devices and telecom-fiber infrastructure, making it accessible and ideally suited for multi-user networks of the future.
Neereja Sundaresan, Isaac Lauer, Emily Pritchett, Easwar Magesan, Petar Jurcevic, and Jay M. Gambetta
PRX Quantum 1, 020318 (2020) - Published 7 December, 2020
An important entangling quantum gate is significantly improved, leading to a demonstrable increase in quantum volume.
Roeland Wiersema, Cunlu Zhou, Yvette de Sereville, Juan Felipe Carrasquilla, Yong Baek Kim, and Henry Yuen
PRX Quantum 1, 020319 (2020) - Published 8 December, 2020
A quantum-classical hybrid algorithm is investigated to understand when and why it succeeds, deepening the connection between entanglement and neural-network optimization strategies.
Paul Kairys, Andrew D. King, Isil Ozfidan, Kelly Boothby, Jack Raymond, Arnab Banerjee, and Travis S. Humble
PRX Quantum 1, 020320 (2020) - Published 14 December, 2020
A relevant Ising model is successfully embedded in a quantum annealing hardware, opening the route for quantum simulating real materials.
D. González-Cuadra, A. Dauphin, M. Aidelsburger, M. Lewenstein, and A. Bermudez
PRX Quantum 1, 020321 (2020) - Published 16 December, 2020
A cold-atom platform to investigate confinement-deconfinement transition in quantum field theory is possible with state-of-the-art technology.
Frédéric Sauvage and Florian Mintert
PRX Quantum 1, 020322 (2020) - Published 17 December, 2020
Optimal quantum control based on experimental data can be daunting if the data is affected by measurement noise; but a method based on binomial Bayesian inference learns accurate control even with highly noisy data.
Minhyuk Kim, Yunheung Song, Jaewan Kim, and Jaewook Ahn
PRX Quantum 1, 020323 (2020) - Published 18 December, 2020
Three-dimensional arrangements of up to six Rydberg atoms are continuously tuned so that their quantum-Ising eigenenergies and eigenstates are dynamically probed.
Ivar Martin and Kartiek Agarwal
PRX Quantum 1, 020324 (2020) - Published 21 December, 2020
Majoranas can be distilled by periodic double braiding; the latter can be implemented without recourse to measurements or moving majoranas, and leads to a computationally robust subspace.
Frederik Hahn, Jarn de Jong, and Anna Pappa
PRX Quantum 1, 020325 (2020) - Published 22 December, 2020
Participants of a quantum network can anonymously and securely encrypt messages following a protocol based on multipartite entangled states.