Some properties of a dc SQUID qubit

R. M. Lewis; Hanhee Paik; S. K. Dutta; T. A. Palomaki; K. Mitra; B. K. Cooper; A. Przybysz; J. R. Anderson; C. J. Lobb; F. C. Wellstood

doi:10.1117/12.665081

12 May 2006 Some properties of a dc SQUID qubit

R. M. Lewis, Hanhee Paik, S. K. Dutta, T. A. Palomaki, K. Mitra, B. K. Cooper, A. Przybysz, J. R. Anderson, C. J. Lobb, F. C. Wellstood

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Proceedings Volume 6244, Quantum Information and Computation IV; 624402 (2006) https://doi.org/10.1117/12.665081
Event: Defense and Security Symposium, 2006, Orlando (Kissimmee), Florida, United States

Abstract

The dc SQUID qubit can be viewed as a single current biased Josephson junction attached to an inductive isolation network. Excellent broadband isolation is possible and is adjustable in situ. The isolation network increases the effective shunt resistance due to the lead impedance allowing for long energy dissipation times T₁. We present data on Rabi oscillations, and macroscopic quantum tunneling as isolation from the bias leads is varied.

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R. M. Lewis, Hanhee Paik, S. K. Dutta, T. A. Palomaki, K. Mitra, B. K. Cooper, A. Przybysz, J. R. Anderson, C. J. Lobb, and F. C. Wellstood "Some properties of a dc SQUID qubit", Proc. SPIE 6244, Quantum Information and Computation IV, 624402 (12 May 2006); https://doi.org/10.1117/12.665081

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