A two-mode squeezed light based on a double-pump phase-matching geometry
He Xuan-Jian1, Jia Jun1, Jiao Gao-Feng1, Chen Li-Qing1, †, Yuan Chun-Hua1, 3, ‡, Zhang Wei-Ping2, 3
       

The gain of the probe field (a) and the squeezing (b) as a function of the two-photon detuning δ. The parameters are as follows: γ = 2π × 5.75 MHz, γc = 0.5γ, N = 4.5 × 1018 m−3, L = 12.5 mm, ΩP1 = 28γ, ΩP2 = 30γ, θ0/2 = 0.615°, and θ1 = θ2 = 0.861°.