Deterministic Generation of Entangled Photons in Superconducting Resonator Arrays

Details Deterministic Generation of Entangled Photons in Superconducting Resonator Arrays Deterministic Generation of Entangled Photons in Superconducting Resonator Arrays

2010-04-13

arxiv.org/abs/1004.2240v2

Phys. Rev. Lett. 106, 257002 (2011)

Physics

Quantum Physics

4 pages, 3 figures

Scientific paper

10.1103/PhysRevLett.106.257002

We present a scheme for the deterministic generation of entangled photon pairs in a superconducting resonator array. The resonators form a Jaynes-Cummings lattice via the coupling to superconducting qubits, and the Kerr-like nonlinearity arises due to the coupling.We show that entangled photons can be generated on demand by applying spectroscopic techniques and exploiting the nonlinearity and symmetry in the resonators. The scheme is robust against small parameter spreads due to fabrication errors. Our findings can be used as a key element for quantum information processing in superconducting quantum circuits.

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