Quantum switch for single-photon transport in a coupled superconducting transmission line resonator array

Details Quantum switch for single-photon transport in a coupled superconducting transmission line resonator array Quantum switch for single-photon transport in a coupled superconducting transmission line resonator array

2009-04-06

arxiv.org/abs/0904.0844v2

Phys. Rev. A 80, 014301 (2009)

Physics

Quantum Physics

4 pages,3 figures

Scientific paper

We propose and study an approach to realize quantum switch for single-photon transport in a coupled superconducting transmission line resonator (TLR) array with one controllable hopping interaction. We find that the single-photon with arbitrary wavevector can transport in a controllable way in this system. We also study how to realize controllable hopping interaction between two TLRs via a superconducting quantum interference device (SQUID). When the frequency of the SQUID is largely detuned from those of the two TLRs, the variables of the SQUID can be adiabatically eliminated and thus a controllable interaction between two TLRs can be obtained.

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