Deterministic Generation of Entangled Photons in Superconducting Resonator Arrays

被引：43

作者：

Hu, Yong ^{[1
]}

Tian, Lin ^{[1
]}

机构：

[1] Univ Calif, Merced, CA 95343 USA

来源：

PHYSICAL REVIEW LETTERS | 2011年 / 106卷 / 25期

基金：

美国国家科学基金会;

关键词：

SINGLE-PHOTON; QUANTUM; QUBITS; STATES;

D O I：

10.1103/PhysRevLett.106.257002

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

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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页数：4

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