He is currently the deputy director of the Science and Technology Committee of Shanghai Institute of Technical Physics, Chinese Academy of Sciences, the dean of the School of Information Science and Technology of East China Normal University, and the representative of the 10th National People's Congress.

Researcher of Shanghai Institute of Technical Physics, Chinese Academy of Sciences, doctoral supervisor, director of the State Key Laboratory of Infrared Physics. Member of Humboldt Research Department in technical university of munich, Germany. He is also the editor-in-chief of Infrared and Millimeter Wave Magazine, the deputy director of Shanghai Applied Physics Research Center, the deputy director of Photophysics Committee of Chinese Physical Society, the director of Photophysics Committee of Shanghai Physical Society and the vice chairman of Shanghai Laser Society. Shanghai 1 1 people's deputies.

1July 1993 to1June 1993, director of the State Key Laboratory of Infrared Physics of China Academy of Sciences.

Since 1996, Chu Junhao has successively served as deputy director of the Photophysics Committee of the Chinese Physical Society, vice chairman of the Shanghai Laser Society, vice chairman of the Shanghai Physical Society and vice chairman of the Shanghai Infrared Remote Sensing Society. He used to be a member of the National Climbing Plan and the Expert Committee of the National Natural Science Foundation. Since 2002, he has been a member of the Expert Committee of the National 973 Project "Research on Quantum Devices with Quantum Structures".