Please use this identifier to cite or link to this item: https://doi.org/10.1103/PhysRevLett.108.120501
Title: Ultrafast quantum gates in circuit QED
Authors: Romero, G.
Ballester, D.
Wang, Y.M.
Scarani, V. 
Solano, E.
Issue Date: 19-Mar-2012
Source: Romero, G., Ballester, D., Wang, Y.M., Scarani, V., Solano, E. (2012-03-19). Ultrafast quantum gates in circuit QED. Physical Review Letters 108 (12) : -. ScholarBank@NUS Repository. https://doi.org/10.1103/PhysRevLett.108.120501
Abstract: We present a method to implement ultrafast two-qubit gates valid for the ultrastrong coupling and deep strong coupling regimes of light-matter interaction, considering state-of-the-art circuit quantum electrodynamics technology. Our proposal includes a suitable qubit architecture and is based on a four-step sequential displacement of the intracavity field, operating at a time proportional to the inverse of the resonator frequency. Through ab initio calculations, we show that these quantum gates can be performed at subnanosecond time scales while keeping a fidelity above 99%. © 2012 American Physical Society.
Source Title: Physical Review Letters
URI: http://scholarbank.nus.edu.sg/handle/10635/98502
ISSN: 00319007
DOI: 10.1103/PhysRevLett.108.120501
Appears in Collections:Staff Publications

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