SURFACE EMITTING LASER, ELECTRONIC DEVICE, AND METHOD FOR MANUFACTURING SURFACE EMITTING LASER

• Main Authors: TOKUDA KOTA, HIGA YASUTAKA, MAEDA OSAMU, ARAKIDA TAKAHIRO, KODA RINTARO, AZUMA SHINICHI
• Format: Patent
• Language: English; Japanese
• Published: 23.04.2024
• Subjects: BASIC ELECTRIC ELEMENTS; DEVICES USING STIMULATED EMISSION; ELECTRICITY

To provide a surface emitting laser capable of suppressing a decrease in luminous efficiency.SOLUTION: The present technology provides a surface emitting laser 100 including: first and second multilayer film reflectors 102, 112; a plurality of active layers 104-1, 104-2 laminated together between the first and second multilayer film reflectors; a tunnel junction 108 disposed between two active layers adjacent to each other in a lamination direction among the plurality of active layers; and an oxide confinement layer 106 disposed between one active layer of the two adjacent active layers and the tunnel junction. According to the present technology, it is possible to provide a surface emitting laser capable of suppressing a decrease in luminous efficiency.SELECTED DRAWING: Figure 1 【課題】本技術は、発光効率の低下を抑制することができる面発光レーザを提供する。【解決手段】本技術は、第１及び第２多層膜反射鏡１０２、１１２と、前記第１及び第２多層膜反射鏡の間に互いに積層された複数の活性層１０４－１、１０４－２と、前記複数の活性層のうち積層方向に隣り合う２つの活性層の間に配置されたトンネルジャンクション１０８と、前記隣り合う２つの活性層の一方の活性層と前記トンネルジャンクションとの間に配置された酸化狭窄層１０６と、を備える、面発光レーザ１００を提供する。本技術によれば、発光効率の低下を抑制可能な面発光レーザを提供できる。【選択図】図１