Patent ID: 7167495
Filing Date: 2007-01-23
Classification: B82Y,H01L,H01S

Abstract:
1. A vertical cavity surface emitting laser (VCSEL) comprising: an active region including nitrogen containing layers and having a first and a second outer edge, said active region further comprising at least one quantum well and at least two barrier layers disposed on each side of said at least one quantum well; first and second extended barrier layers comprised of GaAs, wherein said first extended barrier layer is disposed next to and outside of said first outer edge of said active region and said second extended barrier layer is disposed next to and outside of said second outer edge of said active region; and first and second confinement regions, at least one of the first and second confinement regions comprising aluminum, wherein said first confinement regions is disposed next to said first extended barrier layer and opposite said active region and said second confinement region is disposed next to said second extended barrier layer opposite said active region.