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Journal of Baoji University of Arts and Sciences

The properties of the equal-power N-Y uncertainty state of asymmetrical multimode superposition state light field

Xu Min

Published Jan 1, 2003• 0 citations
OpenAlex

Abstract

The properties of generalized nonlinear equalpower Nth power Ysqueezing on multimode superposition state light field |ψ(ab)Iq are analyzed,by utilizing the theory of multimode squeezed state.It is found that in the some certain conditions,the state |ψ(ab)Iq can always display the equalpower NY uncertainty state,but the state |ψ(ab)Iq can't display the equalpower Nth power Ysqueezing effect.

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The properties of generalized nonlinear equalpower Nth power Ysqueezing on multimode superposition state light field |ψ(ab)Iq are analyzed,by utilizing the theory of multimode squeezed state.It is found that in the some certain conditions,the state |ψ(ab)Iq can always display the equalpower NY uncertainty state,but the state |ψ(ab)Iq can't display the equalpower Nth power Ysqueezing effect.
The properties of generalized nonlinear equal power N th power Y sqeezing on multimode superposition state light field ψ (ab) I q are studied,by utilizing the theory of multimode squeezed state.It is found that in the some certain condition,the state ψ (ab) I q can always display the equal power N Y minimum uncertainty state,the state ψ (ab) I q cant display the equal power N th power Y squeezing effect.It is obvious that in the certain condition multimode superposition state light field composed of asymmetrical coherent state light field always keep down the coherent properties of original light lield.
The paper presents the properties of N-th power Y-squeezing on multimode light field |φI(ab)q . The finding is that in the some certain condition the state |φI(ab)q can always display the equal-power N—Y minimum uncertainty state, but the state |φI(ab)q can't display the equal-power N-th power Y-squeezing effect. It is obvious that in the certain condition multimode superposition state light field is composed of asymmetrical coherent state light field that always retains the coherent properties of original light field.
By using the theory of multimode squeezed state,the property of generalized nonlinear equal-order N-th power Y-squeezing in the multimode superposition state light field ｜Ψ~((2))〉_q with the superposition of arbitrary two quantum states is studied.It is evinced that the state ｜Ψ~((2))〉_q separately stayed equal-order N-Y minimum uncertainty state、present the effect of half coherent state、the first quadrature component or the second quadrature component present the properties of N-th power Y-squeezing in different conditions.
By utilizing the theory of multimode squeezed states estabilshed recently, the generalized nonlinear equal-power N-th power H-squeezing properties of generalized electric-field component in the new kind of three state superposition multimode quantum superposition state light field ｜Ψ~((3))〉_q is studied firstly in detail. It is found that under certain and fixed conditions, the generalized electric-field component in the state (｜Ψ~((3))〉_q ) can always display the effects of generalized nonlinear equal-power N-th power H-squeezing which changes periodically.
In the paper,the properties of unequal-even-power N j-th power Y-squeezing in the first kind of asymmetrical multimode superposition state light field |Ψ I (ab) q  with the superposition of distinct two quantum states is studied in detail.It is found that if the squeezed power number N j is an even number,under some certain conditions the state  |Ψ I (ab) q  can display the effects of unequal-power N j-th power Y-squeezing that changes periodically.the result of even-power N-th power Y-squeezing of state  |Ψ I (ab) q  is only a particular example under the certain condition N j=N of this papers universal result.
In the paper, the properties of equal-order N-th power H-squeezing in a kind of intense asymmetrical multimode superposition state light field |Ψ (ab) I q with the superposition of macroscopically distinct two quantum states is studied in detail, By utilizing the theory of multimode squeezed states. It is found that if the products of squeezed order number N and cavity mode number q is an even number, under some conditions the state |Ψ (ab) I q can also present the effects of equal-order N-th Power H-squeezing in the first positive ponderance or second pvsitive ponderance.