My group is focused on the investigation of (ultra)wide bandgap semiconductors and their applications in electronic, photonic, clean energy, and quantum devices and systems. My primary research areas include: Epitaxial growth and fundamental properties of semiconductor heterostructures and nanostructures; III-nitride materials and devices, including the emerging ferroelectric nitrides; Light emitting diodes, lasers, and UV photonics; Quantum Photonics; Artificial photosynthesis, solar fuels and clean energy.