Implementation of a Transmon Qubit Using Superconducting Granular Aluminum
Patrick Winkel, Kiril Borisov, Lukas Grünhaupt, D. J. Rieger, Martin Spiecker, Francesco Valenti, A. V. Ustinov, Wolfgang Wernsdorfer, Ioan M. Pop
Abstract
Experiments demonstrate a superconducting qubit that leverages nonlinearity in granular aluminum, a useful step in the development of hybrid quantum circuits that combine superconductivity with other degrees of freedom.
Topics & Concepts
TransmonQubitPhysicsCondensed matter physicsLaser linewidthKinetic inductanceJosephson effectSuperconductivityInductanceQuantumQuantum mechanicsLaserVoltageQuantum and electron transport phenomenaQuantum Information and CryptographyTopological Materials and Phenomena