Figure 4. Steady-state population on the excited level |2> as given by Eq. 5.15 as a function of the scaled detuning δ/α²₂₀, when γ₂₁ = 0 and the PBG is described by the anisotropic dispersion relation of Eq. 4.9. Unlike the isotropic dispersion of Eq. 4.4 for which steady-state population on an excited level was predicted to be non-zero even when the atomic transition lies outside the gap [7], for the more realistic anisotropic dispersion relation, the steady-state population on an excited level is non-zero only when the corresponding atomic transition of the level lies inside the gap so that δ < 0

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Frustrated Spontaneous Emission near the Edge of a Photonic Band Gap

Mesfin Woldeyohannes

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