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|Title:||Ultrafast quantum gates in circuit QED||Authors:||Romero, G.
|Issue Date:||19-Mar-2012||Citation:||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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