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    • 10. 发明申请
    • Multi-wavelength semiconductor laser device and its manufacturing method
    • 多波长半导体激光器件及其制造方法
    • US20060258026A1
    • 2006-11-16
    • US10548488
    • 2004-02-27
    • Mamoru MiyachiAtsushi WatanabeYoshinori Kimura
    • Mamoru MiyachiAtsushi WatanabeYoshinori Kimura
    • H01L21/66H01L23/58
    • B82Y20/00H01S5/0224H01S5/0287H01S5/0425H01S5/1092H01S5/2009H01S5/22H01S5/34326H01S5/34333H01S5/4031H01S5/4043H01S5/4087H01S2302/00
    • A multi-wavelength semiconductor laser device having a high reflectance multi-layered film that can be collectively formed on a facet of a semiconductor laser element is provided. The multi-wavelength semiconductor laser device is made of a plurality of semiconductor laser elements each of which oscillates at a wavelength different from each other. The plurality of semiconductor laser elements each have a reflective film that is deposited on at least one of a front facet and a backside facet thereof and has the same multilayer structure. The reflective film has, disposed in a film thickness direction, a first reflective region that has a first predetermined reflectance to a first wavelength that is oscillated from a first semiconductor laser element of the semiconductor laser elements; and a second reflective region that has a second predetermined reflectance to a second wavelength that is oscillated from, other than the first semiconductor laser element, a second semiconductor laser element and is different from the first wavelength.
    • 提供了可以共同形成在半导体激光元件的面上的具有高反射率多层膜的多波长半导体激光器件。 多波长半导体激光器件由多个半导体激光器元件制成,每个半导体激光元件以彼此不同的波长振荡。 多个半导体激光元件各自具有沉积在其前面和后面小面中的至少一个上并具有相同多层结构的反射膜。 反射膜在膜厚方向上具有第一反射区域,该第一反射区域具有从半导体激光元件的第一半导体激光元件振荡的第一波长的第一预定反射率; 以及第二反射区域,其具有从除了第一半导体激光元件以外的第二半导体激光元件而与第一波长不同的第二波长的第二预定反射率。