Vertically emitting semiconductor laser with external resonator and its method of fabrication

摘要

The vertical laser has a substrate [2]. A Bragg mirror layer [3], an active layer [4], a first cover [5], a current guide layer [6] and a second cover [7]. This creates a current blocking region [12] and a current transmission region [13]. Electrical contacts are formed on the surface. An external resonator volume [14] overlaps with the current transmission region.