Index guide type buried heterostructure nitride laser diode structure
    32.
    发明专利
    Index guide type buried heterostructure nitride laser diode structure 审中-公开
    指数型引导型结构氮化钛激光二极管结构

    公开(公告)号:JP2012089895A

    公开(公告)日:2012-05-10

    申请号:JP2012022808

    申请日:2012-02-06

    Abstract: PROBLEM TO BE SOLVED: To provide a laser diode having a stronger mode stability and a low threshold current operation.SOLUTION: The index guide type buried heterostructure nitride laser diode structure 100 has a ridge structure 111 having first, second and third faces, clad structures 121, clad layers 125, and a multiple quantum well structure 145 interposed between the clad structures 121 and the clad layers 125, and a buried layer 155 existing on the first, second and third faces of the ridge structure 111 and having an opening for electrical contact to the third face of the ridge structure 111.

    Abstract translation: 要解决的问题:提供具有更强的模式稳定性和低阈值电流操作的激光二极管。 解决方案:引导型掩埋异质结氮化物激光二极管结构100具有脊状结构111,其具有第一,第二和第三面,包层结构121,包覆层125和插入在包层结构121之间的多量子阱结构145 并且包覆层125和存在于脊结构111的第一,第二和第三表面上的掩埋层155,并且具有用于与脊结构111的第三面电接触的开口。(C) 2012年,JPO&INPIT

    SEMICONDUCTOR LASER STRUCTURE
    36.
    发明专利

    公开(公告)号:JP2003218454A

    公开(公告)日:2003-07-31

    申请号:JP2002369168

    申请日:2002-12-20

    Applicant: XEROX CORP

    Abstract: PROBLEM TO BE SOLVED: To provide a graded semiconductor layer for reducing the threshold voltage of a nitride-based laser diode structure. SOLUTION: The graded semiconductor layer between a GaN layer 120 and an AlGaN layer 118 of the nitride-based semiconductor laser structure 100 reduces the threshold voltage of the laser structure by reducing the electric potential barrier at an interface between the GaN layer 120 and the AlGaN layer 118. The graded semiconductor layer can be a plurality of AlGaN layers with increasing aluminum content to form step graded layers. A continuous graded semiconductor layer will linearly increase the aluminum content in a single layer. A digital graded semiconductor layer will have a super lattice of alternating GaN quantum wells and AlGaN barrier layers, with the GaN quantum wells decreasing in thickness as the AlGaN barriers increase in thickness. COPYRIGHT: (C)2003,JPO

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