Orthogonally-Driven Superconducting Qubit in Circuit QED

Details Orthogonally-Driven Superconducting Qubit in Circuit QED Orthogonally-Driven Superconducting Qubit in Circuit QED

2006-12-10

arxiv.org/abs/cond-mat/0612226v3

Physics

Condensed Matter

Mesoscale and Nanoscale Physics

4 pages and 1 figure, minor changes, added references and improved figured, submitted for publication

Scientific paper

We consider a superconducting charge qubit coupled to distinct orthogonal electromagnetic field modes belonging to a coplanar wave guide and a microstrip transmission line resonators. This architecture allows the simultaneous implementation of a Jaynes-Cummings and anti-Jaynes-Cummings dynamics, a resonant method for generating mesoscopic qubit-field superpositions and for field-state reconstruction. Furthermore, we utilize this setup to propose a field measurement technique that is, in principle, robust to qubit dephasing and field relaxation due to a fast pre-measurement.

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