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    Optical semiconductor device
    1.
    发明授权
    Optical semiconductor device 有权
    光半导体器件

    公开(公告)号：US09042008B2

    公开(公告)日：2015-05-26

    申请号：US14210882

    申请日：2014-03-14

    申请人： Mitsubishi Electric Corporation

    发明人： Takeshi Saito ,  Masakazu Takabayashi ,  Eitaro Ishimura ,  Tohru Takiguchi ,  Kazuhisa Takagi ,  Keisuke Matsumoto ,  Yoshifumi Sasahata

    IPC分类号： H01S3/067 ,  H01S5/026 ,  H01S5/065 ,  H01S5/40 ,  H01S3/10 ,  H01S3/107 ,  H01S5/12 ,  H01S5/14 ,  H04J14/02

    CPC分类号： H01S5/0265 ,  H01S3/067 ,  H01S3/10053 ,  H01S3/107 ,  H01S5/026 ,  H01S5/0654 ,  H01S5/12 ,  H01S5/14 ,  H01S5/4062 ,  H04B10/54 ,  H04B10/548 ,  H04J14/02

    摘要： An optical semiconductor device includes: semiconductor lasers; a wave coupling section multiplexing light output by the semiconductor lasers; first optical waveguides respectively optically connecting respective semiconductor lasers to the wave coupling section; a phase regulator regulating phase of reflected light that is reflected at a reflecting point located in the optical semiconductor device and that returns to the semiconductor lasers; a second optical waveguide optically connecting the wave coupling section to the phase regulator; an optical amplifying section amplifying output light of the phase regulator; and a third optical waveguide optically connecting an output of the phase regulator to the optical amplifying section. The phase regulator adjusts the phase of reflected light that returns to the semiconductor lasers to decrease line width of the light output by the semiconductor lasers.

    摘要翻译： 一种光学半导体器件包括：半导体激光器; 复用由半导体激光器输出的光的波耦合部分; 第一光波导分别将各个半导体激光器光耦合到波耦合部分; 相位调节器调节在位于所述光半导体器件中的反射点处反射并且返回到所述半导体激光器的反射光的相位; 将波耦合部分光耦合到相位调节器的第二光波导; 放大相位调节器的输出光的光放大部分; 以及第三光波导，其将相位调节器的输出光学连接到光放大部分。 相位调节器调节返回到半导体激光器的反射光的相位，以减小半导体激光器的光输出的线宽。

    OPTICAL SEMICONDUCTOR DEVICE
    3.
    发明申请
    OPTICAL SEMICONDUCTOR DEVICE 审中-公开
    光学半导体器件

    公开(公告)号：US20150229407A1

    公开(公告)日：2015-08-13

    申请号：US14693942

    申请日：2015-04-23

    申请人： Mitsubishi Electric Corporation

    发明人： Takeshi Saito ,  Masakazu Takabayashi ,  Eitaro Ishimura ,  Tohru Takiguchi ,  Kazuhisa Takagi ,  Keisuke Matsumoto ,  Yoshifumi Sasahata

    IPC分类号： H04B10/54 ,  H04J14/02 ,  H04B10/548

    CPC分类号： H01S5/0265 ,  H01S3/067 ,  H01S3/10053 ,  H01S3/107 ,  H01S5/026 ,  H01S5/0654 ,  H01S5/12 ,  H01S5/14 ,  H01S5/4062 ,  H04B10/54 ,  H04B10/548 ,  H04J14/02

    摘要： An optical semiconductor device includes: semiconductor lasers; a wave coupling section multiplexing light output by the semiconductor lasers; an optical amplifying section amplifying output light of the wave coupling section; first optical waveguides respectively optically connecting respective semiconductor lasers to the wave coupling section; a light intensity lowering section located in each of the first optical waveguides and lower light intensity of reflected light that is reflected at a reflecting point located in the optical semiconductor device and that returns to the respective semiconductor lasers; to decrease line width of the light output by the semiconductor lasers.

    摘要翻译： 一种光学半导体器件包括：半导体激光器; 复用由半导体激光器输出的光的波耦合部分; 放大所述波耦合部的输出光的光放大部; 第一光波导分别将各个半导体激光器光耦合到波耦合部分; 位于所述第一光波导中的每一个中的光强降低部分和在位于所述光半导体器件中的反射点处反射并返回到所述半导体激光器的反射光的较低光强度; 以减少由半导体激光器输出的光的线宽。

    OPTICAL SEMICONDUCTOR DEVICE
    4.
    发明申请
    OPTICAL SEMICONDUCTOR DEVICE 审中-公开
    光学半导体器件

    公开(公告)号：US20140198378A1

    公开(公告)日：2014-07-17

    申请号：US14210882

    申请日：2014-03-14

    申请人： Mitsubishi Electric Corporation

    发明人： Takeshi Saito ,  Masakazu Takabayashi ,  Eitaro Ishimura ,  Tohru Takiguchi ,  Kazuhisa Takagi ,  Keisuke Matsumoto ,  Yoshifumi Sasahata

    IPC分类号： H01S3/067

    CPC分类号： H01S5/0265 ,  H01S3/067 ,  H01S3/10053 ,  H01S3/107 ,  H01S5/026 ,  H01S5/0654 ,  H01S5/12 ,  H01S5/14 ,  H01S5/4062 ,  H04B10/54 ,  H04B10/548 ,  H04J14/02

    摘要： An optical semiconductor device includes: semiconductor lasers; a wave coupling section multiplexing light output by the semiconductor lasers; first optical waveguides respectively optically connecting respective semiconductor lasers to the wave coupling section; a phase regulator regulating phase of reflected light that is reflected at a reflecting point located in the optical semiconductor device and that returns to the semiconductor lasers; a second optical waveguide optically connecting the wave coupling section to the phase regulator; an optical amplifying section amplifying output light of the phase regulator; and a third optical waveguide optically connecting an output of the phase regulator to the optical amplifying section. The phase regulator adjusts the phase of reflected light that returns to the semiconductor lasers to decrease line width of the light output by the semiconductor lasers.

    摘要翻译： 一种光学半导体器件包括：半导体激光器; 复用由半导体激光器输出的光的波耦合部分; 第一光波导分别将各个半导体激光器光耦合到波耦合部分; 相位调节器调节在位于所述光半导体器件中的反射点处反射并且返回到所述半导体激光器的反射光的相位; 将波耦合部分光耦合到相位调节器的第二光波导; 放大相位调节器的输出光的光放大部分; 以及第三光波导，其将相位调节器的输出光学连接到光放大部分。 相位调节器调节返回到半导体激光器的反射光的相位，以减小半导体激光器的光输出的线宽。

    OPTICAL SEMICONDUCTOR DEVICE
    5.
    发明申请
    OPTICAL SEMICONDUCTOR DEVICE 审中-公开
    光学半导体器件

    公开(公告)号：US20130208350A1

    公开(公告)日：2013-08-15

    申请号：US13675449

    申请日：2012-11-13

    申请人： MITSUBISHI ELECTRIC CORPORATION

    发明人： Takeshi Saito ,  Masakazu Takabayashi ,  Eitaro Ishimura ,  Tohru Takiguchi ,  Kazuhisa Takagi ,  Keisuke Matsumoto ,  Yoshifumi Sasahata

    IPC分类号： H01S3/067

    CPC分类号： H01S5/0265 ,  H01S3/067 ,  H01S3/10053 ,  H01S3/107 ,  H01S5/026 ,  H01S5/0654 ,  H01S5/12 ,  H01S5/14 ,  H01S5/4062 ,  H04B10/54 ,  H04B10/548 ,  H04J14/02

    摘要： An optical semiconductor device includes: semiconductor lasers; a wave coupling section multiplexing light output by the semiconductor lasers; an optical amplifying section amplifying output light of the wave coupling section; a first optical waveguide optically connecting respective semiconductor lasers to the wave coupling section; a second optical waveguide optically connecting the wave coupling section to the optical amplifying section; a third optical waveguide optically connected to an output of the optical amplifying section; and a phase regulator located in at least one of the first, second, and third optical waveguides, and regulating phase of reflected light that is reflected at a reflecting point in the optical semiconductor device and that returns to the semiconductor lasers. The phase regulator adjusts the phase of the reflected light to decrease line width of the light output by the semiconductor lasers.

    摘要翻译： 一种光学半导体器件包括：半导体激光器; 复用由半导体激光器输出的光的波耦合部分; 放大所述波耦合部的输出光的光放大部; 第一光波导，其将各个半导体激光器光耦合到所述波耦合部分; 第二光波导，其将所述波耦合部分光耦合到所述光放大部分; 光学连接到光放大部分的输出的第三光波导; 以及位于第一，第二和第三光波导中的至少一个中的相位调节器，并且调节在光半导体器件中的反射点处被反射并且返回到半导体激光器的反射光的相位。 相位调节器调节反射光的相位以减小由半导体激光器输出的光的线宽。