The steady-state photon number |c_s|² is demonstrated against the driving field of amplitude E_L. The parameter values in this particular case are taken as g=gaN/2π=10 kHz, g₀/2π = 3.5 kHz, g_c/2π = 100 kHz, Δ_c = 3.5κ, γ_1,2 = ω_1,2/Q, Δ_a/2π = 20 kHz, and γ_a/2π = 0.1 kHz.