Article ID | Journal | Published Year | Pages | File Type |
---|---|---|---|---|
849799 | Optik - International Journal for Light and Electron Optics | 2014 | 6 Pages |
Abstract
Applying the operator a + a+ to the superposed coherent states several times, superpositions of the excited–deexcited coherent states are obtained. Compared with the original superposed coherent states, these new states can have stronger squeezing and anti-bunching effects. The operation a + a+ can also induce squeezing or antibunching effect if the original states do not possess these properties. Calculations about the phase properties, the Q function and the Wigner function reflect the non-classical character of the excited–deexcited states from different aspects.
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Authors
Yue Jiang,