Ballistic heat

Investigation of ballistic heat and phonon transport in semiconductors at nanoscale.

Ray phononics

New concept of nanoscale heat manipulations based on particle properties of phonons.

Wave phononics

Studies of coherent wave-like heat conduction in phononic crystals and metamaterials.


Investigations of thermal transport via surface phonon-polaritons.

Past projects

Silicon thermoelectrics

Improving thermoelectric performance of silicon-based energy harvestors.

Nanowire optics

Optical properties of InAs/InP nanowires and nanowire heterostructures.