3 papers
physics.optics2012
Induced Optical Losses in Optoelectronic Devices due to Focused Ion Beam Damages
Felipe Vallini, Luís Alberto Mijan Barea, Elohim Fonseca dos Reis +2
A study of damages caused by gallium focused ion beam (FIB) into III-V compounds is presented. Potential damages caused by local heating, ion implantation, and selective sputtering…
physics.optics2008
Impact of Si nanocrystals in a-SiOx<Er> in C-Band emission for applications in resonators structures
D. S. L Figueira, D. Mustafa, L. R. Tessler +1
Si nanocrystals (Si-NC) in a-SiOx<Er> were created by high temperature annealing. Si-NC samples have large emission in a broadband region, 700nm to 1000nm. Annealing temperature, a…
physics.optics2007
Rare-earth Doped Amorphous Silicon Microdisk and Microstadium Resonators with Emission at 1550nm
D. S. L. Figueira, N. C. Frateschi
Microdisks and microstadium resonators were fabricated on erbium doped amorphous hydrogenated silicon (a-Si:H<Er>) layers sandwiched in air and native SiO2 on Si substrates. Anneal…