Abstract
Output nonlocality and nonclassicality for the two modes are investigated in
an entanglement laser system. Within the framework of a quantum theory of multiwave
mixing, nonlocality and nonclassicality are discussed according to the violations of
Bell inequality and Cauchy-Schwarz inequality. It is found that both nonlocality and
nonclassicality can be fulfilled in the outside cavity fields under certain
conditions. It is also shown that there are some nonclassical states that do not
show nonlocality.
© 2011 Chinese Optics Letters
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