Figure 9

(a) Change of n₀(x) by the variations of L_Vo, N_Vo, N_{CH_BG}, and L in the BG structure. (b) Change of n₀(x) by the variations of L, L_OX, and N_OX in the DG structure. (c) Change of n₀(x) by the variations of N_Vo, N_{CH_DG}, and L_Vo in the DG structure.