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公开(公告)号：US4817109A
公开(公告)日：1989-03-28
申请号：US937969
申请日：1986-12-04
IPC分类号： H01S5/022 , H01S5/0683 , H01S5/14 , H01S3/08
CPC分类号： H01S5/14 , H01S5/02252 , H01S3/08068 , H01S5/0683
摘要： An external resonator type semiconductor laser apparatus comprising a semiconductor laser device, a reflector positioned behind said laser device in a manner to face the light-emitting rear facet of said laser device, and a photodetector, for detecting the optical output of said laser device, positioned backward of said reflector, wherein a part of the laser light from said light-emitting rear facet is reflected by said reflector and the reflected light is then incident to said photodetector.
摘要翻译： 一种外部谐振器型半导体激光装置，包括半导体激光装置，位于所述激光装置后面的反射器，面向所述激光装置的发光后面，以及用于检测所述激光装置的光输出的光电检测器， 位于所述反射器的后方，其中来自所述发光后小面的激光的一部分被所述反射器反射，然后所述反射光入射到所述光电检测器。
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公开(公告)号：US4815089A
公开(公告)日：1989-03-21
申请号：US732284
申请日：1985-05-09
申请人： Nobuyuki Miyauchi , Shigeki Maei , Osamu Yamamoto , Taiji Morimoto , Hiroshi Hayashi , Saburo Yamamoto
发明人： Nobuyuki Miyauchi , Shigeki Maei , Osamu Yamamoto , Taiji Morimoto , Hiroshi Hayashi , Saburo Yamamoto
CPC分类号： H01S5/028 , H01S5/2232 , H01S5/2237
摘要： A semiconductor laser includes a front mirror facet and a rear mirror facet. An Al.sub.2 O.sub.3 film coating is formed on the front mirror facet by electron beam evaporation so that the front mirror facet has a reflectance between 10 and 20%. A multi-layered coating is formed on the rear mirror facet so that the rear mirror facet has a reflectance higher than 90%.
摘要翻译： 半导体激光器包括前镜面和后镜面。 通过电子束蒸发在前镜面上形成Al 2 O 3膜涂层，使得前镜面具有10至20％的反射率。 在后镜面上形成多层涂层，使得后镜面的反射率高于90％。
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公开(公告)号：US4791636A
公开(公告)日：1988-12-13
申请号：US923953
申请日：1986-10-28
申请人： Saburo Yamamoto , Osamu Yamamoto , Taiji Morimoto , Hiroshi Hayashi , Nobuyuki Miyauchi , Shigeki Maei
发明人： Saburo Yamamoto , Osamu Yamamoto , Taiji Morimoto , Hiroshi Hayashi , Nobuyuki Miyauchi , Shigeki Maei
IPC分类号： H01S5/00 , H01S5/06 , H01S5/0625 , H01S3/19
CPC分类号： H01S5/0601 , H01S5/0035 , H01S5/0625
摘要： A semiconductor laser device comprising a laser-oscillating optical waveguide composed of a control region which functions to absorb light and main regions which function to oscillate laser light, said control region being positioned in the center portion of said optical waveguide and said main regions being positioned on both ends of said control region, wherein said laser device further comprises a shunting means by which the ratio of the current Ig flowing to said control region to the total current It injected into said laser device is set to meet the inequality (1): ##EQU1## wherein Lg is the length of said control region and Lt is the length of said optical waveguide.
摘要翻译： 一种半导体激光器件，包括由用于吸收光的控制区域和用于振荡激光的功能的主要区域组成的激光振荡光波导，所述控制区域位于所述光波导的中心部分中，并且所述主区域被定位 在所述控制区域的两端，其中所述激光装置还包括分流装置，通过该分流装置将流入所述控制区域的电流Ig与注入所述激光装置的总电流I i的比率设定为满足不等式（1）： （1）其中Lg是所述控制区域的长度，Lt是所述光波导的长度。
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公开(公告)号：US4730328A
公开(公告)日：1988-03-08
申请号：US787760
申请日：1985-10-15
申请人： Nobuyuki Miyauchi , Shigeki Maei , Osamu Yamamoto , Taiji Morimoto , Hiroshi Hayashi , Saburo Yamamoto
发明人： Nobuyuki Miyauchi , Shigeki Maei , Osamu Yamamoto , Taiji Morimoto , Hiroshi Hayashi , Saburo Yamamoto
摘要： A semiconductor laser comprising a substrate; a current blocking layer formed on said substrate; a striped channel formed in said current blocking layer on said substrate, said striped channel being narrow in the vicinity of the facets and being wide inside of the facets; an active layer, a portion of the active layer corresponds to the narrow portion of said striped channel being a plane to form a window region and another portion of the active layer corresponds to the wide portion of said striped channel being a crescent shape to form a laser operation area with a mesa-structure which is surrounded by burying layers to cut off current leakage from said laser operation area, the width of the mesa-portion of said laser operation area being not less than that of a current injection region formed within said striped channel.
摘要翻译： 一种包括基板的半导体激光器; 形成在所述衬底上的电流阻挡层; 形成在所述衬底上的所述电流阻挡层中的条纹沟道，所述条纹沟道在小平面附近变窄并且在所述小平面的内部较宽; 有源层，有源层的一部分对应于所述条纹沟道的窄部分，其是形成窗口区域的平面，并且有源层的另一部分对应于所述条纹沟道的宽部分是新月形，以形成 激光操作区域，其具有由掩埋层包围的台面结构，以切断来自所述激光操作区域的电流泄漏，所述激光操作区域的台面部分的宽度不小于形成在所述激光操作区域内的电流注入区域的宽度 条纹通道。
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公开(公告)号：US4750185A
公开(公告)日：1988-06-07
申请号：US833321
申请日：1986-02-27
申请人： Shigeki Maei , Hiroshi Hayashi , Saburo Yamamoto
发明人： Shigeki Maei , Hiroshi Hayashi , Saburo Yamamoto
CPC分类号： H01S5/4031 , H01S5/2232 , H01S5/2234
摘要： A semiconductor laser array device comprising an active layer for laser oscillation having a plurality of curved portions at substantially right angles to the resonance direction to thereby create a distribution of the refractive index between the curved portions and the flat portions of the active layer, resulting in a plurality of laser oscillation operation areas which are positioned between the curved portions of the active layer and which are optically coupled therebetween.
摘要翻译： 一种半导体激光器阵列器件，包括用于激光振荡的有源层，其具有与谐振方向基本成直角的多个弯曲部分，从而产生折射率在有源层的弯曲部分和平坦部分之间的分布，导致 多个激光振荡操作区域，其位于有源层的弯曲部分之间并在其间光学耦合。
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6.发明授权
公开(公告)号：US5087587A
公开(公告)日：1992-02-11
申请号：US12249
申请日：1987-02-09
申请人： Taiji Morimoto , Shigeki Maei , Hiroshi Hayashi , Saburo Yamamoto
发明人： Taiji Morimoto , Shigeki Maei , Hiroshi Hayashi , Saburo Yamamoto
CPC分类号： H01S5/16 , H01S5/2232 , H01S5/2234 , H01S5/24 , Y10S148/095
摘要： A window semiconductor laser device comprising a stripe-channeled substrate, an active layer for laser oscillation and a cladding layer disposed under the active layer, wherein the surface of the active layer is flat and the thickness of the portion of the active layer corresponding to the striped channel of said substrate in each of the window regions in the vicinity of the facets is thinner than that of the portion of the active corresponding to the striped channel of said substrate in the stimulated region positioned between the window regions.
摘要翻译： 一种窗口半导体激光器件，包括条形沟道衬底，用于激光振荡的有源层和设置在有源层下面的覆层，其中有源层的表面是平坦的，并且有源层的部分的厚度对应于 在小平面附近的每个窗口区域中的每个窗口区域中的所述衬底的条纹沟道比在位于窗口区域之间的被刺激区域中对应于所述衬底的条纹沟道的部分的活性部分的条纹沟道薄。
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公开(公告)号：US4737962A
公开(公告)日：1988-04-12
申请号：US734091
申请日：1985-05-15
CPC分类号： H01S5/24 , H01S3/082 , H01S5/028 , H01S5/1032 , H01S5/0622 , H01S5/10 , H01S5/4056
摘要： A compound resonator type semiconductor laser device comprising a multiple-layered crystal structure having a first laser operation area which contains a resonator for laser oscillation and a second laser operation area which contains a resonator a facet of which is shared with that of the resonator in the first laser operation area; and an electric current feeder for injecting a current into said multiple-layered crystal structure, and wherein said facet of the resonator in the first laser operation area, which is shared with the facet of the resonator in the second laser operation area, is covered with a protective film to attain a high reflectivity therein, the other facet of the resonator in the first laser operation area is covered with a protective film to attain a low reflectivity therein, and the other facet of the resonator in the second laser operation area is covered with a protective film to attain a high reflectivity therein.
摘要翻译： 一种复合谐振器型半导体激光器件，包括具有第一激光器操作区域的多层晶体结构，所述第一激光器操作区域包含用于激光振荡的谐振器，以及第二激光器操作区域，所述第二激光器操作区域包含与所述谐振器的谐振器共面的谐振器 第一激光手术区; 以及用于将电流注入到所述多层晶体结构中的电流馈送器，并且其中在所述第二激光操作区域中与所述谐振器的面共享的所述第一激光器操作区域中的谐振器的所述小面被覆盖 保护膜以在其中获得高反射率，第一激光操作区域中的谐振器的另一个面被保护膜覆盖以在其中获得低反射率，并且覆盖第二激光操作区域中的谐振器的另一个面 具有保护膜以在其中获得高反射率。
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公开(公告)号：US4720834A
公开(公告)日：1988-01-19
申请号：US807867
申请日：1985-12-11
CPC分类号： H01S3/082 , H01S5/10 , H01S5/1021 , H01S5/22
摘要： An internal-reflection-interference semiconductor laser device comprising a first laser operation area ranging from one facet to the internal reflecting section and a second laser operation area ranging from the other facet to the internal reflecting section, wherein when the internal-cavity length l.sub.1 of the first laser operation area is shorter than the internal-cavity length l.sub.2 of the second laser operation area, the reflectivity R.sub.1 at the facet on the side of the first laser operation area is smaller than the reflectivity R.sub.2 at the facet on the side of the second laser operation area.
摘要翻译： 一种内反射干涉半导体激光器件，包括从一个面到内部反射部的范围的第一激光操作区域和从另一个面到内部反射部的范围的第二激光操作区域，其中当内部反射干涉半导体激光器的内腔长度l1 第一激光操作区域比第二激光器操作区域的内腔长度l2短，第一激光操作区域侧面上的反射率R1小于第一激光器操作区域侧面上的反射率R2 第二激光操作区域。
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公开(公告)号：US4777637A
公开(公告)日：1988-10-11
申请号：US804575
申请日：1985-12-04
申请人： Hiroshi Hayashi , Osamu Yamamoto , Saburo Yamamoto
发明人： Hiroshi Hayashi , Osamu Yamamoto , Saburo Yamamoto
CPC分类号： H01S5/10 , H01S5/2232 , H01S5/2234
摘要： An interferometric semiconductor laser device having a built-in effective refraction index difference, based on the absorption of light by a substrate, between the portion of the active layer corresponding to the inside area of a striped channel formed on the surface of said substrate and the portion of the active layer corresponding to the outside area of said striped channel, wherein regions, which are positioned between the active layer and the substrate in the outside area of said channel along a waveguide formed in the active layer corresponding to said channel, are different from each other in the distance between the active layer and the substrate, thereby creating a difference in the effective refraction index between the portions of the active layer corresponding to said regions.
摘要翻译： 一种干涉式半导体激光装置，其具有基于衬底的光的吸收而在所述有源层的与形成在所述衬底的表面上的条纹沟道的内部区域相对应的部分之间的有效折射率差和 有源层的对应于所述条纹沟道的外部区域的部分，其中位于所述沟道的外部区域中的有源层和衬底之间的区域沿着形成在与所述沟道相对应的有源层中的波导形成不同 在有源层和衬底之间的距离处彼此相对，从而在对应于所述区域的有源层的部分之间产生有效折射率的差异。
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公开(公告)号：US4773077A
公开(公告)日：1988-09-20
申请号：US874601
申请日：1986-06-16
申请人： Osamu Yamamoto , Hiroshi Hayashi , Saburo Yamamoto
发明人： Osamu Yamamoto , Hiroshi Hayashi , Saburo Yamamoto
CPC分类号： H01S5/14
摘要： A semiconductor laser apparatus comprising: a semiconductor laser chip with a first light-emitting facet and a second light-emitting facet containing an interference effect-creating means therein for creating an interference effect within the resonator(s) thereof, a laser light-reflecting means for returning a part of the laser light emitted from the first light-emitting facet of said semiconductor laser chip to the first light-emitting facet, and a mounting base on which said semiconductor laser chip and said laser light-reflecting means are fixed in a parallel manner.
摘要翻译： 一种半导体激光装置，包括：具有第一发光面的半导体激光器芯片和包含干涉效应产生装置的第二发光小面，用于在其谐振器内产生干涉效应，激光反射 用于将从所述半导体激光器芯片的第一发光小面发射的一部分激光的一部分返回到第一发光小面的装置，以及将所述半导体激光芯片和所述激光反射装置固定在其上的安装基座 平行的方式。
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