➀ Professor Juejun Hu from MIT discusses his research focus on integrated photonics and metasurface optics; ➁ The advantages of low-loss optical phase change materials for reconfigurable metasurfaces; ➂ The progress of reconfigurable metasurface technology and applications; ➃ The development and commercialization of wide-field-of-view metasurface optics; ➄ Challenges and opportunities in the field; ➅ The innovative aspects of double-photon lithography for photonic integration; ➆ The conversion of research outcomes into practical applications; ➇ The differences between research and industry; ➈ Overcoming challenges in the academic career; ➍ The reasons for choosing MIT and research experiences there