Curved mirror vertical-cavity surface emitting laser device

摘要

and an active layer for laser oscillation medium , the active medium layer on the upper and lower reflector formed on the bottom provided with a reflector , an upper reflector and the lower reflector of the at least one reflector and a flat surface , characterized in that the reflector surface consisting of reflective VCSEL is disclosed . ; described reflective surface According to the VCSEL , and a curved reflector to limit the high-order mode with the exception of a single transverse mode , the drive current over a wide range can be obtained a high power single transverse mode .