Fig. 1. 4T-PPD pixel structure profile of P+ TG and N+ TG

Fig. 2. Potential diagram along the emission current path of P+ TG and N+ TG

Fig. 3. Two-dimensional simulation profiles

Fig. 4. One-dimensional potential diagrams under TG

Fig. 5. Simulation results of FWC and dark charges with two types of doped TG at 0 V

Fig. 6. Simulation results of FWC and dark current with two types of doped TG at various V_{TG_off}

Fig. 7. Simulation results of CTE with P+TG and N+TG

Fig. 8. One-dimensional potential diagram under TG channels with TG on