- Selective optical metamaterial absorbers/emitters
- Extraordinary optical transmission
- Switchable and tunable infrared metamaterial absorbers/emitters
- Near-field radiative transport between metamaterials
- Modulation of near-field thermal radiation with tunable materials
- Opto-thermal multiphysics on coupled energy transport phenomena at nanoscale
- Advanced spectroscopy from cryogenic to high temperatures at different length scale
- in-situ optical characterization coupled with multiphysics
- Novel thermal metrology at different length scales from millimeter to nanometer (diffraction-limited optics and near-field optics)
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- Solar thermal, solar photovoltaic, and solar thermophotovoltaic energy conversion and harvesting
- Selective filters/polarizers
- Active control of thermal radiation for optical sensing, infrared detectors, thermal sources, space and radiative cooling
- Near-field heat transfer enhancement for imaging, manufacturing, energy conversion
- Radiation-based thermal control/management with vacuum thermal rectifier, thermal switch, thermal transistor
- Plasmonics-induced local heating for data storage, manufacturing, thermal storage
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