ABSTRACT
Acknowledgments ...................................................................................................................... 377
8.5 Rare-Earth Doped Silicon and Silicon Nanostructures ............................................... 377 Tom Gregorkiewicz, Saba Saeed, and Maciek Wojdak
8.5.1 Introduction ............................................................................................................ 377 8.5.1.1 Rare Earth Ions as Optical Dopants ..................................................... 377 8.5.1.2 Rare Earth Doping of Semiconductors ................................................ 377
8.5.2 Er-Doped Crystalline Silicon ............................................................................... 378 8.5.2.1 Preparation ............................................................................................... 378 8.5.2.2 Excitation Mechanism ............................................................................ 378 8.5.2.3 De-Excitation Mechanism ......................................................................380
