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Our group is composed of people interested and enthusiastic about light, photons, optical devices and systems. We pursue new research discoveries in the broad fields of nanophotonics and biophotonics. Below are some of the research projects we have previously or are currently working on. For detailed descriptions about each project, please visit our publication page.

At our spare time, we enjoy turning our research into fun stuff. For example, the logo on the uppper-left corner is the red fluorescence of CdSe QDs patterned using a self-assembly fabrication process.

Nanostructure-enhanced laser tweezers

  • Enhanced optical manipulation by photonic crystals and plasmonic nanostructures for micro/nano particles, living cells and DNAs
  • Stem cell patterning and interaction force study using photonic crystal optical tweezers
  • Cell viability characterization under photonic crystal optical trapping
  • Particle/cell alignment and rotation by photonic crystal optical tweezers
  • Patterned optical trapping by photonic crystal optical tweezers
  • Localized surface plasmon assisted microfluidic mixing
  • Nanoparticle patterning and assembly by light-induced concentration and fusion
  • Micro-instrumentation by optical MEMS

  • Mass sensing and monitoring with high accuracy for living cells and micro/nano particles by MEMS resonators integrated with photonic crystal optical trapping
    This project is supported by NSF Instrument Development for Biological Research (IDBR). Please contact us if you are interested in utilizing this system for your research.
  • MEMS scanning mirror with focus tracking for bio-optical imaging
  • MEMS scanning mirror for optical imaging and switching
  • Nanophotonic devices with solution-processed materials

  • Perovskite optoelectronics
  • Ultrathin flexible optoelectronic devices on nanocellulose paper
  • Optical activation of neurons through quantum dots
  • Silicon quantum dots for lighting, display and biolabeling
  • Sub-diffraction limit quantum dot waveguide
  • Nanoscale quantum dot photodetector
  • Nanoscale quantum dot photodetecton enhanced by plasmonics
  • Thin-film solar cell efficiency enhancemet by photonic crystal nanostructures