Generation of macroscopic superposition states with small nonlinearity
H. Jeong, M. S. Kim, T. C. Ralph, B. S. Ham
Abstract
We suggest a scheme to generate a macroscopic superposition state (Schrodinger cat state) of a free-propagating optical field using a beam splitter, homodyne measurement and a very small Kerr nonlinear effect. Our scheme makes it possible to considerably reduce the required nonlinear effect to generate an optical cat state using simple and efficient optical elements.
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