Generation of 2n-photon GHZ states based on cavity quantum electrodynamics

Abstract

Abstract:

A simple scheme is presented for generating - mode photon Greenberger- Horne-Zeilinger (GHZ) states with the interaction of a -level atom with two - mode cavities. In the proposed protocol, the 2n qubits are encoded in zero- and one-photon Fock states of 2n cavity modes. Because the interaction between the atom and cavity fields is resonant, the coupling strength can be relative strong which will shorten the corresponding interaction time and thus reduce the effect of decoherence in experiment.

Key words: quantum optics, multi-level atom, multi-mode cavity, GHZ state, photonic qubit

CLC Number:

O431.2

ZHANG Deng-yu, WANG Xin-wen, TANG Shi-qing, XIE Li-jun, ZHAN Xiao-gui, CHEN Yin-hua. Generation of 2n-photon GHZ states based on cavity quantum electrodynamics[J]. J4, 2012, 29(5): 591-596.

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