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    Laser diode driving device and driving method and optical transmission system using the same
    81.
    发明专利
    Laser diode driving device and driving method and optical transmission system using the same 审中-公开
    激光二极管驱动装置及驱动方法及使用其的光传输系统

    公开(公告)号：JP2013183147A

    公开(公告)日：2013-09-12

    申请号：JP2012048205

    申请日：2012-03-05

    申请人： Hitachi Ltd ,  株式会社日立製作所

    发明人： YAZAKI TORU ,  NAKAJO TOKUO ,  KAMIMURA YUHITO

    IPC分类号： H01S5/062

    CPC分类号： H01S5/0428 ,  H01S5/06226 ,  H04B10/504

    摘要： PROBLEM TO BE SOLVED: To achieve, in a laser diode driving device, an increase in speed and a reduction in power consumption of optical transmission by realizing asymmetric correction without using a conventional edge detection circuit.SOLUTION: A laser diode driving device includes: a driving current generation circuit 13 that generates a driving current IM1 having HI periods and LOW periods on the basis of an input signal; an emphasis generation circuit 14 that generates an emphasis signal from the input signal; and a correction current generation circuit 17 that generates a correction current IM2 on the basis of the emphasis signal. The laser diode driving device 10 generates a laser diode driving signal IM by synthesizing the driving current IM1 and the correction current IM2 together, the emphasis generation circuit 14 is constructed from a signal delay circuit 15 that delays the input signal by a predetermined time and a duty ratio adjustment circuit 16 that adjusts a duty ratio of the delayed signal, and correction made at rising of the laser diode driving signal IM and correction made at falling of the signal IM are asymmetric to each other.

    摘要翻译： 要解决的问题：在激光二极管驱动装置中，通过在不使用常规边缘检测电路的情况下实现非对称校正，实现了光传输的速度增加和功耗的降低。解决方案：激光二极管驱动装置包括： 驱动电流产生电路13，其基于输入信号产生具有HI周期和低周期的驱动电流IM1; 强调生成电路14，其从输入信号生成加重信号; 以及基于强调信号生成校正电流IM2的校正电流产生电路17。 激光二极管驱动装置10通过将驱动电流IM1和校正电流IM2合成来产生激光二极管驱动信号IM，加重产生电路14由延迟输入信号预定时间的信号延迟电路15和 调整延迟信号的占空比，并且在激光二极管驱动信号IM的上升处进行的校正以及在信号IM的下降时进行的校正的负载比调整电路16彼此不对称。

    Semiconductor laser driving circuit and semiconductor laser device
    84.
    发明专利
    Semiconductor laser driving circuit and semiconductor laser device 审中-公开
    半导体激光器驱动电路和半导体激光器件

    公开(公告)号：JP2013084839A

    公开(公告)日：2013-05-09

    申请号：JP2011224857

    申请日：2011-10-12

    申请人： Sony Corp ,  ソニー株式会社

    发明人： NAKAJIMA KATSUYA ,  MIYAJIMA YOSHIFUMI

    IPC分类号： H01S5/062

    CPC分类号： H01S5/0427 ,  H01S5/06213 ,  H01S5/06226

    摘要： PROBLEM TO BE SOLVED: To provide a semiconductor laser driving circuit capable of high-speed operation at a low voltage without using an external component such as a bias tee.SOLUTION: A semiconductor laser driving circuit controls a semiconductor laser diode by supplying a driving current to the semiconductor laser diode connected to an output terminal on the basis of an input signal inputted from an input terminal. The semiconductor laser driving circuit includes a first supply section supplying a bias current and a first supply signal having a frequency component equal to or lower than a first frequency of the input signal, and a second supply section supplying a second supply signal having a frequency component higher than a second frequency of the input signal.

    摘要翻译： 要解决的问题：提供一种能够在不使用诸如偏置三通的外部组件的情况下以低电压高速运行的半导体激光器驱动电路。 解决方案：半导体激光器驱动电路通过根据从输入端子输入的输入信号向连接到输出端子的半导体激光二极管提供驱动电流来控制半导体激光二极管。 半导体激光器驱动电路包括提供偏置电流的第一电源部分和具有等于或低于输入信号的第一频率的频率分量的第一电源信号，以及提供具有频率分量的第二电源信号的第二电源部分 高于输入信号的第二频率。 版权所有（C）2013，JPO＆INPIT

    Optical oscillator and recording device
    85.
    发明专利
    Optical oscillator and recording device 审中-公开
    光学振荡器和记录装置

    公开(公告)号：JP2013026351A

    公开(公告)日：2013-02-04

    申请号：JP2011158322

    申请日：2011-07-19

    申请人： Sony Corp ,  ソニー株式会社

    发明人： FUJITA GORO ,  MARUYAMA TSUTOMU

    IPC分类号： H01S5/065 ,  G11B7/125 ,  H01S5/0625 ,  H01S5/0683 ,  H01S5/343

    CPC分类号： G11B7/126 ,  B82Y20/00 ,  G11B7/127 ,  G11B2007/00457 ,  H01S5/0014 ,  H01S5/0265 ,  H01S5/06226 ,  H01S5/0658 ,  H01S5/22 ,  H01S5/34333

    摘要： PROBLEM TO BE SOLVED: To provide an optical oscillator which can generate a desired pulse light frequency easily with a simple configuration, and to provide a recording device.SOLUTION: An optical oscillator comprises a supersaturation absorber having a double quantum well separation confinement heterostructure and applying a negative bias voltage, a self-oscillation semiconductor laser 1 including a gain section for injecting a gain current, and a control unit 38 which controls a gain current being injected into the gain section of the self-oscillation semiconductor laser or the negative bias voltage being applied to the supersaturation absorber, based on the phase difference between a master clock signal and the oscillation light emitted from the self-oscillation semiconductor laser 1 and a signal generation section which injects a gain current corresponding to a predetermined current signal into the gain section of the self-oscillation semiconductor laser 1, by generating a predetermined current signal in accordance with the timing of the master clock signal. A recording device 100 is configured by using a recording signal generation section 39 generating a recording signal in place of the signal generation section.

    摘要翻译： 要解决的问题：提供一种能够以简单的结构容易地产生期望的脉冲光频率的光学振荡器，并提供一种记录装置。 解决方案：光学振荡器包括具有双量子阱分离限制异质结构并施加负偏压的过饱和吸收体，包括用于注入增益电流的增益部分的自激振荡半导体激光器1以及控制单元38，控制单元38 基于主时钟信号和从自激振荡半导体发射的振荡光之间的相位差，控制被注入到自激振荡半导体激光器的增益部分中的增益电流或施加到过饱和吸收器的负偏压 激光器1和信号产生部分，通过根据主时钟信号的定时产生预定的电流信号，将与预定电流信号相对应的增益电流注入到自激振荡半导体激光器1的增益部分中。 记录装置100通过使用产生记录信号的记录信号产生部分39代替信号产生部分来配置。 版权所有（C）2013，JPO＆INPIT

    High speed lasing device
    86.
    发明专利
    High speed lasing device 有权
    高速激光装置

    公开(公告)号：JP2012253351A

    公开(公告)日：2012-12-20

    申请号：JP2012125855

    申请日：2012-06-01

    申请人： Tyco Electronics Svenska Holding Ab ,  タイコ エレクトロニクス スベンスカ ホールディングス アーベー

    发明人： PANTAZI NICOLAIE CHITIKA

    IPC分类号： H01S5/183

    CPC分类号： H01S5/18311 ,  H01S5/0425 ,  H01S5/06226 ,  H01S5/18327 ,  H01S5/18358 ,  H01S5/18375 ,  H01S5/18394 ,  H01S2301/18

    摘要： PROBLEM TO BE SOLVED: To provide a lasing device which can be driven with high modulation speed and has small effective parasitic capacitance, in particular, a lasing device which can be easily manufactured with low cost.SOLUTION: The present invention provides a lasing device for use in an optical interconnection. The lasing device comprises: a first reflector and a second reflector; a confinement layer adapted to confine current within a current-confining aperture; and an active layer between the first and second reflectors. The active layer comprises a main active region aligned with the current-confining aperture and an auxiliary active region surrounding the main active region. The second reflector includes a first reflector region arranged on the current-confining aperture and a second reflector region surrounding the first reflector region. The second reflector region and the first reflector are configured to induce stimulated recombination in the auxiliary active region.

    摘要翻译： 要解决的问题：提供一种可以以高调制速度驱动并具有小的有效寄生电容的激光装置，特别是可以容易地以低成本制造的激光装置。 解决方案：本发明提供一种用于光互连的激光装置。 激光装置包括：第一反射器和第二反射器; 限制层，适于将电流限制在电流限制孔内; 以及第一和第二反射器之间的有源层。 有源层包括与电流限制孔对准的主有效区和围绕主有效区的辅助有源区。 第二反射器包括布置在电流限制孔上的第一反射器区域和围绕第一反射器区域的第二反射器区域。 第二反射器区域和第一反射器被配置为在辅助有源区域中诱导受激复合。 版权所有（C）2013，JPO＆INPIT

    Package for optical semiconductor element and optical semiconductor device
    87.
    发明专利
    Package for optical semiconductor element and optical semiconductor device 有权
    光学半导体元件和光学半导体器件的封装

    公开(公告)号：JP2012238640A

    公开(公告)日：2012-12-06

    申请号：JP2011105100

    申请日：2011-05-10

    申请人： Shinko Electric Ind Co Ltd ,  新光電気工業株式会社

    发明人： KIMURA YASUYUKI ,  SUYAMA MIKIO ,  MACHII MISUZU

    IPC分类号： H01S5/022

    CPC分类号： H01S5/02276 ,  H01L23/053 ,  H01L23/055 ,  H01L23/49506 ,  H01L2224/45144 ,  H01L2224/45147 ,  H01L2224/48091 ,  H01S5/02212 ,  H01S5/02248 ,  H01S5/02284 ,  H01S5/06226 ,  H01S5/0683 ,  H01L2924/00014 ,  H01L2924/00

    摘要： PROBLEM TO BE SOLVED: To provide a package for an optical semiconductor element, capable of bringing an optical semiconductor element sufficiently close to an element electrode connected to the optical semiconductor element, thereby capable of reducing transmission loss in a transmission path.SOLUTION: A package for an optical semiconductor element includes: a ceramic wiring board 5 having a mounting region A for mounting an optical semiconductor element 50 in the center part of the ceramic wiring board and including element electrodes 20a, 20b for connecting the optical semiconductor element 50 and external connection electrodes 30a, 30b connected to the element electrodes 20a, 20b; and a metal seal ring 40 provided on the ceramic wiring board 5 and including an opening 40x for exposing the element electrodes 20a, 20b and the mounting region A in the center part of the metal seal ring, while a ring-shaped projection 42 is provided on the periphery of the opening 40x.

    摘要翻译： 解决的问题：为了提供一种光学半导体元件的封装，能够使光学半导体元件充分靠近连接到光学半导体元件的元件电极，从而能够减少传输路径中的传输损耗。 解决方案：一种用于光学半导体元件的封装包括：陶瓷布线板5，其具有用于将光学半导体元件50安装在陶瓷布线板的中心部分的安装区域A，并且包括元件电极20a，20b，用于将 光学半导体元件50和连接​​到元件电极20a，20b的外部连接电极30a，30b; 以及金属密封环40，其设置在陶瓷布线板5上，并且包括用于暴露金属密封环的中心部分中的元件电极20a，20b和安装区域A的开口40x，同时提供环形突起42 在开口40x的周边。 版权所有（C）2013，JPO＆INPIT