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    • 24. 发明专利
    • Optical semiconductor device
    • 光学半导体器件
    • JP2010226032A
    • 2010-10-07
    • JP2009074403
    • 2009-03-25
    • Sumitomo Electric Device Innovations Inc住友電工デバイス・イノベーション株式会社
    • YAMAUCHI YASUYUKI
    • H01S5/022
    • H01S5/0687H01S5/02208H01S5/02248H01S5/02438H01S5/02446H01S5/0265H01S5/06256H01S5/1085H01S5/1209
    • PROBLEM TO BE SOLVED: To provide a miniaturized optical semiconductor device including an optical semiconductor element having optical gain.
      SOLUTION: The optical semiconductor device includes: a beam splitter for spectrally diffracting an input optical axis into a first spectral optical axis of a first spectral angle, and a second spectral optical axis of a second spectral angle larger than the first spectral angle; a first unit arranged on the first spectral optical axis of the beam splitter, and including one or more optical elements, wherein a distance between an end thereof and the beam splitter has a first length; a second unit arranged on the second spectral optical axis of the beam splitter, and including one or more optical elements, wherein a distance between an end thereof and the beam splitter has a second length larger than the first length; and the optical semiconductor element having a first output end optically coupled to the beam splitter and a second output end facing it, and having optical gain, the second output end being obliquely arranged in a relationship in which it is located on the side for arranging the second unit relative to the first output end.
      COPYRIGHT: (C)2011,JPO&INPIT
    • 要解决的问题:提供一种包括具有光学增益的光学半导体元件的小型化的光学半导体器件。 解决方案:光学半导体器件包括:分束器,用于将输入光轴光谱衍射成具有第一光谱角的第一光谱光轴;以及第二光谱角,其大于第一光谱角的第二光谱角 ; 布置在分束器的第一光谱光轴上并包括一个或多个光学元件的第一单元,其中其一端和分束器之间的距离具有第一长度; 布置在分束器的第二光谱光轴上的第二单元,并且包括一个或多个光学元件,其中其一端和分束器之间的距离具有大于第一长度的第二长度; 并且所述光学半导体元件具有光学耦合到所述分束器的第一输出端和面向所述分束器的第二输出端,并且具有光学增益,所述第二输出端以与所述第一输出端相对的方式倾斜地布置, 相对于第一输出端的第二单元。 版权所有(C)2011,JPO&INPIT
    • 25. 发明专利
    • Wavelength variable resonator, wavelength variable laser, optical module and control method thereof
    • 波长可变谐振器,波长变化激光器,光学模块及其控制方法
    • JP2006245346A
    • 2006-09-14
    • JP2005059641
    • 2005-03-03
    • Nec Corp日本電気株式会社
    • YAMAZAKI HIROYUKI
    • H01S3/083H01S5/14
    • G02F1/0147G02B6/12007G02F1/011G02F2203/15H01S3/106H01S5/0064H01S5/02216H01S5/02248H01S5/02284H01S5/02446H01S5/142Y10S372/70
    • PROBLEM TO BE SOLVED: To realize high reliability, high performance and low cost, and perform wavelength monitoring with a simpler configuration by overcoming problems in a conventional wavelength variable laser.
      SOLUTION: A wavelength variable laser 10 is provided with a multiple ring resonator 20 in which ring resonators 21-23 having different optical path lengths are coupled with each other; input/output side waveguide 12 connected to the ring resonator 21; reflector side waveguide 14 connected to the ring resonator 23; PLC substrate 15 on which the resonator 20, the waveguide 12 and the waveguide 14 are formed; high reflection film 16 provided on the waveguide 14; SOA 17 connected to the waveguide 12; film-like heaters 22h, 23h and a phase control region 171 of the SOA 17 for changing the resonant wavelength of the resonator 20; and light-receiving element 21p for detecting the resonant wavelength of the resonator 20 in a through port 11t of a directional coupler 11.
      COPYRIGHT: (C)2006,JPO&NCIPI
    • 要解决的问题:为了实现高可靠性,高性能和低成本,并且通过克服常规波长可变激光器中的问题,以更简单的配置执行波长监测。 解决方案:波长可变激光器10设置有多环谐振器20,其中具有不同光程长度的环形谐振器21-23彼此耦合; 连接到环形谐振器21的输入/输出侧波导12; 连接到环形谐振器23的反射器侧波导14; 其上形成有谐振器20,波导12和波导14的PLC基板15; 设置在波导14上的高反射膜16; 连接到波导12的SOA 17; 用于改变谐振器20的谐振波长的SOA 17的薄膜状加热器22h,23h和相位控制区域171; 以及用于检测定向耦合器11的通孔11t中谐振器20的谐振波长的光接收元件21p。版权所有(C)2006,JPO&NCIPI
    • 27. 发明专利
    • Optical semiconductor device
    • 光学半导体器件
    • JP2005116583A
    • 2005-04-28
    • JP2003345202
    • 2003-10-03
    • Pentax Corpペンタックス株式会社
    • KASAI TOSHIO
    • H01S5/00H01S5/02H01S5/022H01S5/024H01S5/0683H01S5/40H04N1/40
    • H01S5/02212H01L2224/48091H01L2224/48137H01S5/02216H01S5/02248H01S5/02446H01S5/0683H01S5/4031H04N1/40037H01L2924/00014
    • PROBLEM TO BE SOLVED: To provide an optical semiconductor device wherein photoelectric characteristics of an optical semiconductor element such as a laser diode are improved, and which is reduced in size.
      SOLUTION: A light emitting element (laser diode chip) 110 and a circuit element (driving circuit chip) 120 for driving the light emitting element or processing signals output from the light emitting element are integrally packaged together, and are electrically connected inside the package. Emission characteristics of the light emitting element are improved by reducing the wire capacitance and wire resistance by shortening a wire length for connecting the light emitting element and the circuit element. Compared with a structure such that individually packaged light emitting element and circuit element are assembled, the structure is advantageous to reduction in size. Moreover, electrostatic discharge of the laser diode that occurs during assembling work can be prevented.
      COPYRIGHT: (C)2005,JPO&NCIPI
    • 要解决的问题:提供一种其中改善了诸如激光二极管的光半导体元件的光电特性并且尺寸减小的光半导体器件。 解决方案:用于驱动发光元件的发光元件(激光二极管芯片)110和用于驱动发光元件的电路元件(驱动电路芯片)120或从发光元件输出的处理信号被一体地封装在一起,并且内部电连接 包装。 通过缩短用于连接发光元件和电路元件的电线长度来减小电线电容和电线电阻来改善发光元件的发射特性。 与组装单独封装的发光元件和电路元件的结构相比,该结构有利于减小尺寸。 此外,可以防止在组装工作期间发生的激光二极管的静电放电。 版权所有(C)2005,JPO&NCIPI
    • 28. 发明专利
    • Laser module
    • 激光模块
    • JP2003069131A
    • 2003-03-07
    • JP2001259979
    • 2001-08-29
    • Furukawa Electric Co Ltd:The古河電気工業株式会社
    • NASU HIDEYUKINOMURA TAKEHIKO
    • H01S5/024G02B6/42H01S5/022H01S5/0687
    • H01S5/02415G02B6/4204G02B6/4208G02B6/4254G02B6/4271G02B6/4286H01S5/02208H01S5/02248H01S5/02284H01S5/02446H01S5/0687
    • PROBLEM TO BE SOLVED: To prevent interference which is generated by mutual contact among a plurality of temperature adjusting modules allocated within a laser module. SOLUTION: A temperature adjusting module 2 and a temperature adjusting module 3 are allocated on the bottom surface within a package 1. On the temperature adjusting module 2, a prism 12, a wavelength filter 13 and a mount 14 to hold a photodiode 15 are allocated to form a wavelength monitor unit. On the temperature adjusting module 3, an isolator 7, a lens holder 6 to hold a lens, a laser mount 8 for depositing an laser element 9 and a lens holder 10 to hold a lens 11 are allocated to form a laser emitting unit. Contact between the temperature adjusting modules 2 and 3 can be prevented, thereby preventing generation of interference by allocating an insulation plate 4 between the temperature adjusting modules 2 and 3.
    • 要解决的问题:为了防止在分配在激光模块内的多个温度调节模块之间的相互接触产生的干扰。 解决方案:温度调节模块2和温度调节模块3分配在封装1内的底表面上。在温度调节模块2上,分配棱镜12,波长滤波器13和保持光电二极管15的安装件14 以形成波长监视器单元。 在温度调节模块3上,分配隔离器7,保持透镜的透镜保持器6,用于沉积激光元件9的激光器座8和保持透镜11的透镜保持器10,以形成激光发射单元。 可以防止温度调节模块2和3之间的接触,从而通过在温度调节模块2和3之间分配绝缘板4来防止产生干扰。