Massachusetts Institute of Technology
Juejun Hu Research Group Photonic Materials Massachusetts Institute of Technology
  • programmable photonics




    Optical coupling with free-form micro-optics: we developed a novel free-form micro-optics design to enable low-loss, ultra-broadband fiber-to-waveguide coupling.

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  • programmable photonics


    Programmable photonics:
    we demonstrated a non-volatile, low-loss, ultra-compact, and electrically addressed waveguide phase shifter based on transparent phase change materials.

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  • fisheye metalens


    Electrically switched metasurface:
    we realized, for the first time, electrical switching of a cohort of active metasurface devices based on low loss phase change materials.

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  • Tunable lens: we demonstrated a varifocal metalens and aberration-free multi-depth imaging leveraging the low-loss optical phase change material GSST.    Read more    MIT News

    Tunable lens

My group's research focuses on novel materials and devices to exploit interactions of light with matter:
  1. On-chip sensing and spectroscopy;
  2. Optical phase change materials and devices;
  3. Metasurface optics;
  4. Free-form micro-optics; and
  5. Magneto-optical isolation.
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Massachusetts Institute of Technology
    Department of Materials Science and Engineering  •  Massachusetts Institute of Technology  •  Accessibility
    Phone: 302-766-3083  •   E-mail: hujuejun@mit.edu