- Qunatum-Film, Quantum-Wire, and Quantum-Box Lasers
- Semiconductor Photonic Devices
- Quantum Coherent Electron Devices
- High-Speed Electron Devices Using Nanometer-thick Metal/Insulator Layered Heterostructures
- Light Emitting Devices Using Semiconductor(Metal)/Insulator Nanostructures
- Processing for Nanometer Structures