作者: Mitomo Jugo , Hamaguchi Tatsushi , Nakajima Hiroshi , Futagawa Noriyuki , Ito Masamichi
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摘要: A surface emitting laser of an embodiment the present disclosure is provided with: a current constriction region having opening part formed by impurities injected inside laminate from second semiconductor layer side; and first DBR side that grip in position facing opposite part. In part, diameter near greater than layer.