![]() Minimizing the latency of quantum circuits during mapping to the ion-trap circuit fabric. Mohammad Javad Dousti and Massoud Pedram.Fault-tolerant architectures for superconducting qubits. Superconducting circuits for quantum information: an outlook. Michel H Devoret and Robert J Schoelkopf.Requirements for fault-tolerant factoring on an atom-optics quantum computer. Simon J Devitt, Ashley M Stephens, William J Munro, and Kae Nemoto.XRDS: Crossroads, The ACM Magazine for Students 23, 1 (2016), 45-50. Programming quantum computers using 3-D puzzles, coffee cups, and doughnuts. Eric Dennis, Alexei Kitaev, Andrew Landahl, and John Preskill.Universal quantum gate set approaching fault-tolerant thresholds with superconducting qubits. Jerry M Chow, Jay M Gambetta, AD Córcoles, Seth T Merkel, John A Smolin, Chad Rigetti, S Poletto, George A Keefe, Mary B Rothwell, JR Rozen, et al.ACM Journal on Emerging Technologies in Computing Systems (JETC) 7, 3 (2011), 11. On the effect of quantum interaction distance on quantum addition circuits. Fabrication and characterization of aluminum airbridges for superconducting microwave circuits. Zijun Chen, Anthony Megrant, Julian Kelly, Rami Barends, Joerg Bochmann, Yu Chen, Ben Chiaro, Andrew Dunsworth, Evan Jeffrey, JY Mutus, et al.Linear nearest neighbor synthesis of reversible circuits by graph partitioning. Amlan Chakrabarti, Susmita Sur-Kolay, and Ayan Chaudhury. ![]() Multilayer microwave integrated quantum circuits for scalable quantum computing. Teresa Brecht, Wolfgang Pfaff, Chen Wang, Yiwen Chu, Luigi Frunzio, Michel H Devoret, and Robert J Schoelkopf.Quantum codes on a lattice with boundary. Universal quantum computation with ideal Clifford gates and noisy ancillas. Teleporting an unknown quantum state via dual classical and Einstein-Podolsky-Rosen channels. Charles H Bennett, Gilles Brassard, Claude Crépeau, Richard Jozsa, Asher Peres, and William K Wootters.Digitized adiabatic quantum computing with a superconducting circuit. J O'Malley, C Quintana, P Roushan, D Sank, A Vainsencher, and J Wenner. R Barends, A Shabani, L Lamata, J Kelly, A Mezzacapo, U Las Heras, R Babbush, AG Fowler, B Campbell, Yu Chen, Z Chen, B Chiaro, A Dunsworth, E Jeffrey, A Lucero, A Megrant, JY Mutus, M Neeley, C Neill, P.Superconducting quantum circuits at the surface code threshold for fault tolerance. J O'Malley, P Roushan, A Vainsencher, J Wenner, A. R Barends, J Kelly, A Megrant, A Veitia, D Sank, E Jeffrey, TC White, J Mutus, AG Fowler, B Campbell, Y Chen, Z Chen, B Chiaro, A Dunsworth, C Neill, P.Elementary gates for quantum computation. Adriano Barenco, Charles H Bennett, Richard Cleve, David P DiVincenzo, Norman Margolus, Peter Shor, Tycho Sleator, John A Smolin, and Harald Weinfurter.Fault-tolerant quantum computation with constant error. Removal of spurious microwave modes via flip-chip crossover. David W Abraham, Jerry M Chow, Antonio D Corcoles Gonzalez, George A Keefe, Mary E Rothwell, James R Rozen, and Matthias Steffen.Guest column: NP-complete problems and physical reality. Contrary to previous predictions, we find that the simpler planar codes are sometimes more favorable for implementation on superconducting quantum computers, especially under conditions of high communication congestion. In considering scalable methods for optimizing both codes, we do so in the context of a full microarchitectural and compiler analysis. This paper evaluates two established quantum error correction codes-planar and double-defect surface codes-using a set of compilation, scheduling and network simulation tools. Because error correction techniques will be central to QC and will be the most expensive component of quantum computation, choosing the lowest-overhead error correction scheme is critical to overall QC success. Machines of this scale have the capacity to demonstrate quantum supremacy, the tipping point where QC is faster than the fastest classical alternative for a particular problem. Machines with 100 quantum bits (qubits) are anticipated to be operational by 2020, and several-hundred-qubit machines are around the corner. Quantum computing (QC) is at the cusp of a revolution.
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