(a) The transmission coefficient, (b) the reflection coefficient, and (c) their summation as a function of energy detuning (E_k – ω_c) at Ω = ω_c = 10, J = 4, γ = 0.5 for λ = 0.5 (red dashed), 5 (blue dotted), 10 (yellow dash-dot), and 20 (black solid).