An optical structure that reduces the effects of spontaneous emissions from the active region of a laser. An optical structure includes optimizations to reduce the effects of spontaneous emissions. The optical structure includes a VCSEL with top and bottom DBR mirrors and an active region connected to...http://www.google.com.au/patents/US20050286595?utm_source=gb-gplus-sharePatent US20050286595 - Optimizing mirror reflectivity for reducing spontaneous emissions in photodiodes