Quantum control of superconducting qubits

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Título:	Quantum control of superconducting qubits
Autor:	García-Ripoll, Juan José CSIC ORCID ; Ruiz-Chamorro, Andrés CSIC ORCID; Torrontegui, E. CSIC ORCID
Fecha de publicación:	18-ene-2021
Citación:	QUOST VII (2021)
Descripción:	Quantum Optics and Solid State, 18-19 January 2021, virtual conference. -- Book of abstracs 43 p. -- A brief description: We describe a protocol for the realization of two-qubit quantum gates [1] between frequency tunable transmon qubits [2,3], using different methods of quantum control. In particular, we compare the FAQUAD (fast quasi-adiabatic method), the invariants method, Shlepian pulses, and optimal control strategies, among other. We conclude that there is a simple, semi-analytical approach for designing the optimal pulses that achieve fidelities of 99.8% (T2=17 μs) or 99.99% (T2=300 μs), within a time that approaches the theoretical limit. Theresulting pulses are smooth and resilient to the distortions introduced by microwave electronics, avoiding fast ramps or discontinuities, and being bandwidth limited.
URI:	http://hdl.handle.net/10261/242456
Aparece en las colecciones:	(CFMAC-IFF) Comunicaciones congresos