会员体验
专利管家(专利管理)
工作空间(专利管理)
风险监控(情报监控)
数据分析(专利分析)
侵权分析(诉讼无效)
联系我们
交流群
官方交流:
QQ群: 891211   
微信请扫码    >>>
现在联系顾问~
热词
    • 23. 发明专利
    • Mode-locked semiconductor laser element and semiconductor laser device assembly
    • 模式锁定半导体激光元件和半导体激光器件组件
    • JP2014007434A
    • 2014-01-16
    • JP2013217199
    • 2013-10-18
    • Sony Corpソニー株式会社Tohoku Univ国立大学法人東北大学
    • OKI TOMOYUKIKURAMOTO MASARUIKEDA MASAOMIYAJIMA TAKAOWATANABE HIDEKIYOKOYAMA HIROYUKI
    • H01S5/065H01S5/22H01S5/343
    • PROBLEM TO BE SOLVED: To provide a mode-locked semiconductor laser element having a configuration capable of reducing the influence of piezo polarization and intrinsic polarization.SOLUTION: The mode-locked semiconductor laser element includes: a stacked structure including a sequential stack of a first compound semiconductor layer 30 composed of a GaN-based compound semiconductor, a third compound semiconductor layer 40 having a light-emitting region 41, and a second compound semiconductor layer 50; a second electrode 62; and a first electrode 61. The stacked structure is formed on a semi-polar or non-polar compound semiconductor substrate 21. The third compound semiconductor layer has a quantum well structure having a well layer and a barrier layer, and has an inclined waveguide. The flow of a current from the second electrode to the first electrode via the stacked structure generates an optical pulse in the light-emitting region.
    • 要解决的问题:提供一种具有能够降低压电极化和固有极化影响的结构的锁模半导体激光元件。解决方案:锁模半导体激光元件包括:堆叠结构,其包括第一 由GaN基化合物半导体构成的化合物半导体层30,具有发光区域41的第三化合物半导体层40和第二化合物半导体层50; 第二电极62; 和第一电极61.层叠结构形成在半极性或非极性化合物半导体衬底21上。第三化合物半导体层具有阱层和阻挡层的量子阱结构,并且具有倾斜波导。 通过堆叠结构从第二电极到第一电极的电流的流动在发光区域中产生光脉冲。
    • 25. 发明专利
    • Semiconductor laser element, method for driving the same, and semiconductor laser device
    • 半导体激光元件及其驱动方法及半导体激光器件
    • JP2013191895A
    • 2013-09-26
    • JP2013139507
    • 2013-07-03
    • Sony Corpソニー株式会社Tohoku Univ国立大学法人東北大学
    • KURAMOTO MASARUOKI TOMOYUKISUGAWARA TOMOYAYOKOYAMA HIROYUKI
    • H01S5/065H01S5/042H01S5/343
    • PROBLEM TO BE SOLVED: To provide a semiconductor laser element of ultra short pulse and ultra high output, capable of emitting a pulse laser beam having higher peak power notwithstanding its simple configuration and structure.SOLUTION: A semiconductor laser element comprises: (A) a laminated structure composed of a first compound semiconductor layer 30 containing an n-type impurity, an active layer 40 having a quantum well structure, and a second compound semiconductor layer 50 containing a p-type impurity; (B) a first electrode 61 electrically connected to the first compound semiconductor layer 30; and (C) a second electrode 62 electrically connected to the second compound semiconductor layer 50. The second compound semiconductor layer 50 is provided with an electron barrier layer 53 having a thickness of not less than 1.5×10m. The second electrode 62 is separated into a first portion 62A and a second portion 62B by an isolation groove 63. The semiconductor laser element is driven by a pulse voltage having a value twice or more of a threshold voltage.
    • 要解决的问题:提供一种具有超短脉冲和超高输出的半导体激光元件,其能够发射具有较高峰值功率的脉冲激光束,尽管其结构和结构简单。解决方案:半导体激光元件包括:(A) 由包含n型杂质的第一化合物半导体层30,具有量子阱结构的有源层40和含有p型杂质的第二化合物半导体层50组成的层叠结构; (B)与第一化合物半导体层30电连接的第一电极61; 和(C)与第二化合物半导体层50电连接的第二电极62.第二化合物半导体层50设置有厚度不小于1.5×10μm的电子阻挡层53。 第二电极62通过隔离槽63分成第一部分62A和第二部分62B。半导体激光元件由具有阈值电压的两倍或更多值的脉冲电压驱动。