Changqing Cao is an associate professor at the School of Optoelectronic Engineering, Xi’an University of Electronic Science and Technology of China. He graduated from Xi’an University of Electronic Science and Technology in 2001 with a bachelor’s degree in optoelectronics technology and then taught at the School of Technical Physics of Xi’an University of Electronic Science and Technology. In 2010, he graduated from Xi’an University of Electronic Science and Technology with a Master’s degree and a doctorate in optical engineering. He is engaged in teaching and scientific research in optoelectronics technology, electronic science, and technology. His main research directions are optoelectronics technology, photoelectric detection technology, and optoelectronic information processing and systems. He lectures on courses such as “Optoelectronics Technology”, “Photoelectric Detection Technology”, and “Optical Sensing and Detection”, and co-published the undergraduate textbooks “Optoelectronics Technology and Applications” and “Laser Principles and Technology”. He participated in the application and construction of provincial quality courses and resource-sharing courses “Optoelectronics Technology” and “Laser Principles and Technology”. He has chaired and participated in projects of the National Natural Science Foundation of China and applied for and authored more than 30 national invention patents.