The Output Light From A Subharmonic Generator And A Coherently Driven Cavity Mode

Applying the propagator method discussed in J. Math. Phys. 33 (1992) 2179, we calculaternthe Q function of the cavity coherent light and the signal mode produced by a degeneraternsubharmonic generator. We then determine the superposition of these two light beams.rnEmploying the input-output relation, we obtain the Q function of the output light. Withrnthe aid of the resulting Q function, the squeezing and statistical properties of the outputrnlight are analyzed. It is found that the coherently driven cavity mode has no e ect on thernquadrature variance of the output light. However, it enhances the mean photon numberrnof the output light.

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