This is an annual report on the research activities in the field of optical communications and high-speed electron devices for 1995 at the Faculty of Engineering, Tokyo Institute of Technology.

These activities are initiated by Professor Y.Suematsu (emeritus, the former president), and Professor S.Arai [Group A], mainly in the field of Integrated Dynamic-Single-Mode Lasers and Laser Amplifiers, Low-dimensional Quantum-well Lasers, and also in the fabrication of ultra-fine structures; Professor K.Furuya, and Associate Professor Y.Miyamoto [Group B], mainly in the field of High-speed Electron Wave Devices using semiconductors, fabrication of ultra-fine structures, and OMVPE growth techniques; Associate Professor M.Asada [Group C], mainly in the field of High-speed Electron Devices using Metal/Insulator Heterostructures, and also in the theoretical investigation of the properties of Quantum-well, Quantum-wire, and Quantum-box Devices; and Associate Professor M.Watanabe [Group D], mainly in the field of Light Emitting Devices Using Semiconductor(Metal)/Insulator nano-structures and also the epitaxial growth of Metal/Insulator/Semiconductor heterostructures .

This report consists of a brief introduction of the research activities and a collection of the research papers published in 1995.