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    • 5. 发明授权
    • Self-oscillating semiconductor laser device and driving method thereof
    • 自振半导体激光器件及其驱动方法
    • US08831055B2
    • 2014-09-09
    • US13035585
    • 2011-02-25
    • Hideki WatanabeMasaru KuramotoTakao MiyajimaHiroyuki Yokoyama
    • Hideki WatanabeMasaru KuramotoTakao MiyajimaHiroyuki Yokoyama
    • H01S3/13H01S5/30H01S5/343
    • H01S5/3407H01S5/0601H01S5/30H01S5/343
    • There is provided a driving method of a self-oscillating semiconductor laser device including a first compound semiconductor layer having a first conductive type and composed of a GaN base compound semiconductor, a third compound semiconductor layer and a second compound semiconductor layer configuring an emission region and a saturable absorption region, are successively laminated, a second electrode formed on the second compound semiconductor layer, and a first electrode electrically connected to the first compound semiconductor layer. The second electrode is separated into a first portion to create a forward bias state by passing current to the first electrode via the emission region and a second portion to apply an electric field to the saturable absorption region by a separation groove. The current greater than a current value where kink is occurred in optical output-current characteristics is to be passed to the first portion of the second electrode.
    • 提供了一种自激振荡半导体激光器件的驱动方法,该器件包括具有第一导电类型并由GaN基化合物半导体构成的第一化合物半导体层,构成发光区域的第三化合物半导体层和第二化合物半导体层, 依次层叠可饱和吸收区域,形成在第二化合物半导体层上的第二电极和与第一化合物半导体层电连接的第一电极。 第二电极被分离为第一部分,以通过经由发射区域将电流传递到第一电极以产生正向偏置状态,以及第二部分,以通过分离槽将电场施加到可饱和吸收区域。 大于在光输出电流特性中发生扭结的当前值的电流将被传递到第二电极的第一部分。
    • 6. 发明申请
    • LIGHT-EMITTING DEVICE AND METHOD OF MANUFACTURING THE SAME
    • 发光装置及其制造方法
    • US20130075772A1
    • 2013-03-28
    • US13614646
    • 2012-09-13
    • Rintaro KodaHideki WatanabeMasaru KuramotoShunsuke KonoTakao Miyajima
    • Rintaro KodaHideki WatanabeMasaru KuramotoShunsuke KonoTakao Miyajima
    • H01L33/58
    • H01S5/22B82Y20/00H01S5/0218H01S5/0655H01S5/2031H01S5/34333H01S5/50H01S2301/166
    • Provided is a light-emitting device including (a) a layer structure obtained by sequentially growing on a base substrate a first compound semiconductor layer of a first conductivity type, (b) an active layer formed of a compound semiconductor, and (c) a second compound semiconductor layer of a second conductivity type; a second electrode formed on the second compound semiconductor layer; and a first electrode electrically connected to the first compound semiconductor layer. The layer structure formed of at least a part of the second compound semiconductor layer in a thickness direction of the second compound semiconductor layer. The first compound semiconductor layer has a thickness greater than 0.6 μm. A high-refractive index layer formed of a compound semiconductor material having a refractive index higher than a refractive index of a compound semiconductor material of the first compound semiconductor layer is formed in the first compound semiconductor layer.
    • 提供一种发光器件,其包括(a)通过在基底衬底上依次生长第一导电类型的第一化合物半导体层,(b)由化合物半导体形成的有源层,以及(c) 第二导电类型的第二化合物半导体层; 形成在第二化合物半导体层上的第二电极; 和与第一化合物半导体层电连接的第一电极。 所述层结构由所述第二化合物半导体层的至少一部分在所述第二化合物半导体层的厚度方向上形成。 第一化合物半导体层的厚度大于0.6μm。 在第一化合物半导体层中形成由折射率高于第一化合物半导体层的化合物半导体材料的折射率的化合物半导体材料形成的高折射率层。