This book discusses some of the most important emerging optoelectronic technologies foreseen to have major technical and business impact in the future. In this spirit, four general technological areas have been selected: optoelectronic display, optical micro-electro-mechanical systems (MEMS), semiconductor lasers for wireless and loop applications, and optoelectronic integration technologies. In each of the four areas, two review articles that provide the technical background and sample some of the most significant recent breakthroughs were authored by the well regarded experts in the field. This book is meant to provide timely information to professionals in optoelectronics, electronics, communications, sensing, and computer areas who want to keep up with the rapidly developing and increasingly diverse optoelectronic technologies.