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Generation for entangled squeezed coherent states of two cavity modes A scheme is based upon three artificial three-level atoms in a doubly resonant cavity

Li-Xin Xia, Guo-Xin Xiong

Published Jan 1, 2009• 0 citations
OpenAlex

Abstract

we propose a scheme to produce pure and entangled squeezed coherent state. Under the strong classical driven condition, three�Σ -type artificial three-level atoms interact with a doubly resonant cavity by initially preparing the artificial atoms in certain states, successionally. It is shown that an entangled squeezed coherent state can be generated from the product state of the two cavity-mode vacuum fields.

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we propose a scheme to produce pure and entangled squeezed coherent state. Under the strong classical driven condition, three�Σ -type artificial three-level atoms interact with a doubly resonant cavity by initially preparing the artificial atoms in certain states, successionally. It is shown that an entangled squeezed coherent state can be generated from the product state of the two cavity-mode vacuum fields.
This paper proposes a scheme for the generation of entangled coherent states for two cavity modes. In the scheme a V-type three-level atom is sent through a two-mode cavity filled with a coherent field. After the atom–cavity interaction and detection of the atomic state the cavity modes may evolve to a superposition of two-mode coherent states. As the scheme is based on resonant atom–cavity interaction, the required interaction time is short, which is important in view of the decoherence. Moreover, additional classical pulses are unnecessary before and after the atom–cavity interaction.