Dynamic modeling and control of micro- and nano-positioning systems, atomic force microscopes and additive manufacturing systems; volumetric error compensation; iterative learning control, multi-dimensional control, and signal processing.

Nanophotonics devices based on silicon photonics, plasmonics and metamaterials; Light-matter interactions in photonic nanostructures; Optical sensing; Quantum dots; Quantum optics and quantum information processing; solar energy harvesting; light emitting devices 

Additive manufacturing, Electronics and photonics manufacturing, Thermal/laser assisted manufacturing, Laser annealing and crystallization, High-throughput and low cost micro/nano-manufacturing, Solution processing of nanomaterials, Molecular dynamics simulation, Transport phenomena in nano-manufacturing processes.

Advanced li-ion battery, beyond li-ion battery, energy storage system, renewable energy system, grid energy storage, nano, macro-mechanics of materials, self-assembly of nanoparticles, nanostructure, multiphysics, multiscale experiment and simulation.

Fluid dynamics, micro/nano-scale heat and mass transport, interfacial phenomena, micro/nanofluidics, bioMEMS, lab-on-a-chip, micro/nano-fabrication, bubble dynamics, droplet dynamics, acoustics, acoustic streaming, electrohydrodynamics, electrokinetics, and multi-phase flow.

Optical materials and devices in nanophotonics and plasmonics; Physics and applications of optical metamaterials; Nanoscale optomechanics, optical nanoelectromechanical systems (NEMS); Integrated optofluidic devices and optical sensors; Photon management for solar/thermal energy harvesting; Optical device micro-/nano-fabrication.