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Superconducting Resonators as Beam Splitters for Linear-Optics Quantum Computation

Superconducting Resonators as Beam Splitters for Linear-Optics Quantum Computation

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CHIROLLI, Luca, Guido BURKARD, Shwetank KUMAR, David P. DIVINCENZO, 2010. Superconducting Resonators as Beam Splitters for Linear-Optics Quantum Computation. In: Physical Review Letters. 104(23). ISSN 0031-9007. Available under: doi: 10.1103/PhysRevLett.104.230502

@article{Chirolli2010Super-12445, title={Superconducting Resonators as Beam Splitters for Linear-Optics Quantum Computation}, year={2010}, doi={10.1103/PhysRevLett.104.230502}, number={23}, volume={104}, issn={0031-9007}, journal={Physical Review Letters}, author={Chirolli, Luca and Burkard, Guido and Kumar, Shwetank and DiVincenzo, David P.} }

Kumar, Shwetank Chirolli, Luca Kumar, Shwetank Burkard, Guido We propose and analyze a technique for producing a beam-splitting quantum gate between two modes of a ring-resonator superconducting cavity. The cavity has two integrated superconducting quantum interference devices (SQUIDs) that are modulated by applying an external magnetic field. The gate is accomplished by applying a radio frequency pulse to one of the SQUIDs at the difference of the two mode frequencies. Departures from perfect beam splitting only arise from corrections to the rotating wave approximation; an exact calculation gives a fidelity of >0.9992. Our construction completes the toolkit for linear-optics quantum computing in circuit quantum electrodynamics. 2010 DiVincenzo, David P. 2011-07-06T09:49:40Z deposit-license 2011-07-06T09:49:40Z Burkard, Guido Superconducting Resonators as Beam Splitters for Linear-Optics Quantum Computation First publ. in: Physical Review Letters 104 (2010), 23, e230502 eng DiVincenzo, David P. Chirolli, Luca

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