Junhao Chu is infrared physicist, expert in semiconductor physics and devices, Chinese Academy of Sciences, researcher of Shanghai Institute of technology and physics, Chinese Academy of Science and dean of faculty of science, Donghua University.

In 1966, JunHao Chu graduated from Department of Physics, Shanghai Normal University. In 1981 he received the Master's degree from Shanghai Institute of Technical Physics of the Chinese Academy of Sciences. Three years later, he received the Doctor's degree. From 1986 to 1988, he obtained the Aiexander von Humboldt Foundation and went to the physics department of Technical University of Munich to study semiconductor two-dimensional electronic gas. In 1985, he has joined the JIUSAN SOCIETY. In 2005, he was elected as  Chinese Academy of Sciences.

He devoted his whole life in infrared optoelectronic materials and devices, and carried out material physics and device studies of narrow bandgap semiconductors mercury cadmium telluride (hgcdte) and ferroelectric thin films for infrared detectors.