Figure 4

The logarithm of the amplitude η 2 of second-order upper sideband as a function of the probe-pulsed detuning Δ p and the amplitude ratio n 0 with different control fields. (a) P c  = 0.1 μW, (b) P c  = 50 μW, and (c) P c  = 200 μW. Other parameters are the same as in Fig. 2.