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We study polarization squeezing of a pure photon number state which isobviously polarized but the mere change in the basis of polarization leads tosimultaneous polarization squeezing in all the components of Stokes operatorvector except those falling along or perpendicular to the direction ofpolarization state, is observed. We use the most general definition ofpolarization squeezing and discuss the experimental feasibility of the result.We also observe that a squeezing operation like non-degenerate parametricamplification of the state does not reveal simultaneous squeezing in all Stokesoperator vectors and decreases in this sense.

Simultaneous polarization squeezing in polarized N photon state and diminution on a squeezing operation