On the morning of December 5, 2024, Zhang Xuguang, a doctoral student in our lab, delivered a brilliant graduation defense at Yanyuan, earning high praise from all five panel judges and graduating successfully. During his PhD studies, Zhang focused on on-chip parallel light sources, accomplishing a wealth of high-level work. He consistently showed respect for his mentors and fostered unity among his peers, bringing countless moments of joy and laughter to everyone. Wishing him a brilliant future and promising prospects!