Fluxonium Qubits Show Promise in Modern Quantum Computer Architectures

Title: High-fidelity two-qubit gates on fluxoniums using a tunable coupler Authors: Ilya N. Moskalenko, Ilya A. Simakov, Nikolay N. Abramov, Alexander A. Grigorev, Dmitry O. Moskalev, Anastasiya A. Pishchimova, Nikita S. Smirnov, Evgeniy V. Zikiy, Ilya A. Rodionov & Ilya S. Besedin Institutions: Manuscript: Published 08 November 2022 on Nature Note: This is part ofContinue reading “Fluxonium Qubits Show Promise in Modern Quantum Computer Architectures”

Observing Particle Exchange Phases with Two-Photon Interference: the Hong-Ou-Mandel Effect

Title: Hong-Ou-Mandel Interference between Two Hyper-Entangled Photons Enables Observation of Symmetric and Anti-Symmetric Particle Exchange Phases Authors: Zhi-Feng Liu, Chao Chen, Jia-Min Xu, Zi-Mo Cheng, et al. Manuscript: Published 23 December 2022 on Physical Review Letters, [1] Note: this is part of a series of articles written as final projects for Physics 438b at USCContinue reading “Observing Particle Exchange Phases with Two-Photon Interference: the Hong-Ou-Mandel Effect”

Big Step For Quantum Communication

Title: Path-encoded high-dimensional quantum communication over a 2-km multicore fiber Authors: Beatrice Da Lio, Daniele Cozzolino, Nicola Biagi, Yunhong Ding, Karsten Rottwitt, Alessandro Zavatta, Davide Bacco, and Leif K. Oxenløwe  Manuscript: Published April 22 2012 in Nature Note: this part of a series of articles written as final projects for Physics 438b at USC IntroductionContinue reading “Big Step For Quantum Communication”

Simulating the early Universe on a table top Quantum Simulator

By: Shaurya Bhave Authors: Bo Song1, Shovan Dutta1, Shaurya Bhave1, Jr-Chiun Yu1, Edward Carter1, Nigel Cooper2 & Ulrich Schneider1 Institution: 1) Cavendish Laboratory, University of Cambridge, Cambridge, UK 2) Department of Physics and Astronomy, University of Florence, Sesto Fiorentino, Italy. Manuscript: Published in Nature Physics [4] The natural world is host to several systems that exist in one or more phases. These phases areContinue reading “Simulating the early Universe on a table top Quantum Simulator”

Suppressing relaxation in superconducting qubits by quasiparticle pumping

Authors: Simon Gustavsson, Fei Yan, Gianluigi Catelani, Jonas Bylander, Archana Kamal, Jeffrey Birenbaum, David Hover, Danna Rosenberg, Gabriel Samach, Adam P. Spears, Steven J. Weber, Jonilyn L. Yoder, John Clarke, Andrew J. Kerman, Fumiki Yoshihara, Yasunobu Nakamura, Terry P. Orlando, William D. Oliver First Author’s Primary Affiliation: Research Laboratory of Electronics, Massachusetts Institute of Technology,Continue reading “Suppressing relaxation in superconducting qubits by quasiparticle pumping”

What can quantum information tell us about the foundations of statistical mechanics?

By Mauro E.S. Morales Title: Entanglement and the foundations of statistical mechanics Authors: Sandu Popescu1,2, Anthony J. Short1, Andreas Winter3. Institutions: 1H. H. Wills Physics Laboratory, University of Bristol, Tyndall Avenue, Bristol BS8 1TL, UK 2Hewlett-Packard Laboratories, Stoke Gifford, Bristol BS12 6QZ, UK 3Department of Mathematics, University of Bristol, University Walk, Bristol BS8 1TW, UKContinue reading “What can quantum information tell us about the foundations of statistical mechanics?”

Controlled Dissipation with Superconducting Qubits

This post was sponsored by Tabor Electronics. To keep up to date with Tabor products and applications, join their community on LinkedIn and sign up for their newsletter. Authors: P.M. Harrington, M. Naghiloo, D. Tan, K.W. Murch First Author’s Primary Affiliation: Department of Physics, Washington University, Saint Louis, Missouri 63130, USA Manuscript: Published in Physical Review A Introduction QuantumContinue reading “Controlled Dissipation with Superconducting Qubits”

Parity measurement in the strong dispersive regime of circuit quantum acoustodynamics

Authors: Uwe von Lüpke, Yu Yang, Marius Bild, Laurent Michaud, Matteo Fadel, and Yiwen Chu First Author’s Primary Affiliation: Department of Physics, ETH Zurich, Zurich, Switzerland Manuscript: Published in Nature Physics Introduction Superconducting qubits are a promising candidate for functional quantum computation as well as investigating fundamental physics of composite quantum systems where superconducting qubitsContinue reading “Parity measurement in the strong dispersive regime of circuit quantum acoustodynamics”