The steady-state positions q_1s and q_2s of the mechanical modes NMR₁ and NMR₂ are illustrated against the cavity field detuning Δ_c/κ for four different input powers ℘_l. Other parameters are Δ_a/2π = 200 kHz, γ_1,2 = ω_1,2/Q, γ_a/2π = 0.1 kHz, g₀ = 8π kHz, g/2π = 20 kHz, and g_c/2π = 100 kHz.