Coherent Control of the Hartman Effect through a Photonic Crystal with Four-Level Defect Layer Supported in part by the National Natural Science Foundation of China under Grant Nos. 11274132 and 11750110411 |
(Color online) Phase time delay tphase vs. number of stack NL for (a) Ω1 = Ω2 = 2γ, (b) Ω1 = Ω2 = 4γ. Other parameters are γ1 = γ2 = 3γ, γ3 = 0, Δ1 = 0.2γ, ωe1e2 = 0.4γ. |