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Optics Communications

Higher-order Hong–Mandel's squeezing in superposed coherent states

Hari Prakash, Rakesh Kumar, Pankaj Kumar

Published Sep 29, 2010• 9 citations
Publisher
DOI
10.1016/j.optcom.2010.09.019

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Hong and Mandel have recently suggested a scheme which allows generalization of ``squeezing'' to higher-order (even) moments of the electromagnetic field. The new criterion for squeezing is that the expectation value of the moment be less than that for the coherent state. In this paper it is explicitly shown that both electric-field quadrature components are squeezed to fourth order in a ``Jackiw state,'' thus proving that the coherent state does not minimize the fourth-order uncertainty product. The implications of this result for Hong and Mandel's proposal are briefly considered.