Fig. 1. Schematic diagrams of asymmetric double quantum-dot system. (a) Schematic illustration of band structure; (b) schematic illustration of energy level configuration

Fig. 2. Numerical simulation of pulse-area condition. Probability of population transfer F as a function of pulse area for (a) Gaussian pulse, (b) multi-period cos-like pulse, and (c) single-period cos-like pulse; population evolution of indirect exciton states driven by (d) Gaussian pulse, (e) multi-period cos-like pulse, and (f) single-period cos-like pulse

Fig. 3. Robustness of schemes. (a) Effect of relative deviation of pulse amplitude on probability of population transfer; (b) effect of relative deviation of pulse center frequency on probability of population transfer; (c) spectral amplitude varying with frequency

Fig. 4. Influence of decoherence effect. (a) Gaussian pulse; (b) multi-period cos-like pulse; (c) single-period cos-like pulse

Fig. 5. Probability of population transfer varying with population decay rate