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    • 5. 发明授权
    • Optical module
    • 光模块
    • US06480639B2
    • 2002-11-12
    • US09158090
    • 1998-09-22
    • Toshikazu HashimotoYasufumi YamadaMasahiro YanagisawaKuniharu KatoYasuyuki Inoue
    • Toshikazu HashimotoYasufumi YamadaMasahiro YanagisawaKuniharu KatoYasuyuki Inoue
    • G02B612
    • G02B6/4246
    • In an optical module having a silicon substrate, a plurality of optical semiconductor devices and optical waveguides for performing transmission of optical signals by the semiconductor devices integrated on the silicon substrate, the silicon substrate is doped with an impurity to increase the number of carriers in the silicon substrate for suppressing optical crosstalk between the plurality of optical semiconductor devices, the optical waveguide is composed of a core part and a peripheral cladding layer of the core part, or optical fibers each coupled with each of the semiconductor devices, and an electrical resistivity of part or all of the silicon substrate is 0.1 &OHgr;cm or less, or a lower part of an optical semiconductor light receiving device is made high in resistance, and a lower part of an optical semiconductor light emitting device is made low in resistance in which construction, each of the optical semiconductor devices is locally coated with a transparent resin, and all the parts protruding upward from the optical waveguide are coated with a light absorbent such as one or plural caps.
    • 在具有硅衬底的光学模块中,多个光学半导体器件和光波导用于通过集成在硅衬底上的半导体器件进行光信号传输,硅衬底掺杂有杂质以增加载体的数量 硅基板,用于抑制多个光学半导体器件之间的光学串扰,光波导由核心部分的芯部分和外围包层或每个与每个半导体器件耦合的光纤组成,并且电阻率 硅衬底的一部分或全部为0.1Ω/ cm以下,或光半导体光接收装置的下部电阻变高,并且使光半导体发光元件的下部电阻变低, 每个光学半导体器件局部涂覆有透明树脂,并且全部 从光波导向上突出的部分涂覆有诸如一个或多个盖的吸收剂。