Parametrically Activated Entangling Gates Using Transmon Qubits
Physical Review Applied2018Vol. 10(3)
Citations Over TimeTop 10% of 2018 papers
Sam Caldwell, Nicolas Didier, Colm A. Ryan, Eyob A. Sete, Alex Hudson, Peter J. Karalekas, Riccardo Manenti, Marcus P. da Silva, R. Sinclair, Ezer Acala, Nasser Alidoust, Jorge Angeles, Andrew Bestwick, Maxwell Block, Benjamin Bloom, A. Bradley, Cong Dang Bui, Lauren Capelluto, Rick Chilcott, Jeff Cordova, Genya Crossman, Michael J. Curtis, Saniya Deshpande, Tristan El Bouayadi, Daniel Girshovich, Sabrina Hong, Kat Kuang, Michael Lenihan, Tom Manning, A. Marchenkov, Jayss Marshall, R. Maydra, Yuvraj Mohan, William F. O’Brien, Chris Osborn, Johannes Otterbach, Alexander Papageorge, Jean-Philip Paquette, Michael Pelstring, Anthony Polloreno, Guen Prawiroatmodjo, Vijay Rawat, Matthew J. Reagor, Russ Renzas, Nick Rubin, Damon Russell, Michael Rust, Diego Scarabelli, Michael G. Scheer, Michael Selvanayagam, Robert Smith, A. Staley, Mark Suska, Nikolas Tezak, D.C. Thompson, T.-W. To, Mehrnoosh Vahidpour, Nagesh Vodrahalli, Tyler Whyland, Kamal Yadav, William J. Zeng, Chad Rigetti
Abstract
A central challenge in building a scalable quantum computer with superconducting qubits is the execution of high-fidelity two-qubit gates in the presence of many resonant elements. As more elements are added to the architecture, and as the multiplicity of their couplings grows, the design's frequency space becomes crowded, and performance suffers. The authors present a way to address this difficulty: selective activation of interactions between transmon qubits of fixed frequency and those of tunable frequency. This activation depends on both the amplitude and frequency of modulation, and using the amplitude as an additional condition for resonance alleviates frequency crowding.
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