Resonant Schrödinger Cat States in Circuit Quantum Electrodynamics
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arXiv
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| Main Authors: | , , |
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| Format: | Preprint |
| Published: |
2023
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| _version_ | 1866914670180302848 |
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| author | Ayyash, M. Xu, X. Mariantoni, M. |
| author_facet | Ayyash, M. Xu, X. Mariantoni, M. |
| contents | We propose a fast scheme to generate Schrödinger cat states in a superconducting resonator using a continuously driven qubit without resorting to the dispersive regime, two-photon drives, or engineered two-photon dissipation. We provide analysis for when the qubit is on and off resonance from the drive. We extend our analysis to account for a third level in a weakly-anharmonic qutrit. We also discuss the case of a strongly-anharmonic qutrit. Throughout the paper, we corroborate our analytical results with numerical simulations in the presence of energy relaxation and dephasing of the qubit and resonator using realistic experimental parameters. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2310_03854 |
| institution | arXiv |
| publishDate | 2023 |
| record_format | arxiv |
| spellingShingle | Resonant Schrödinger Cat States in Circuit Quantum Electrodynamics Ayyash, M. Xu, X. Mariantoni, M. Quantum Physics We propose a fast scheme to generate Schrödinger cat states in a superconducting resonator using a continuously driven qubit without resorting to the dispersive regime, two-photon drives, or engineered two-photon dissipation. We provide analysis for when the qubit is on and off resonance from the drive. We extend our analysis to account for a third level in a weakly-anharmonic qutrit. We also discuss the case of a strongly-anharmonic qutrit. Throughout the paper, we corroborate our analytical results with numerical simulations in the presence of energy relaxation and dephasing of the qubit and resonator using realistic experimental parameters. |
| title | Resonant Schrödinger Cat States in Circuit Quantum Electrodynamics |
| topic | Quantum Physics |
| url | https://arxiv.org/abs/2310.03854 |