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    • 5. 发明授权
    • Semiconductor quantum dot optical amplifier, and optical amplifier module and optical transmission system using the same
    • 半导体量子点光放大器,光放大器模块和光传输系统使用相同
    • US07030415B2
    • 2006-04-18
    • US10473049
    • 2002-03-27
    • Dong-han Lee
    • Dong-han Lee
    • H01L27/15
    • B82Y20/00H01S5/3412H01S5/5009H04B10/2914
    • The present invention relates to an optical communication, and more particularly, to a wideband wavelength division multiplexing (WDM) optical communication system which can have a broad amplification band while overcoming a polarization dependency and solving a signal leakage between channels. In an optical amplifier module and optical transmission system for a WDM optical communication system using this, the optical amplifier module uses a semiconductor quantum dot optical amplifier as an amplifying means, and thus has a wide amplification bard and has no a polarization dependency of a gain and a signal leakage between channels, and the optical transmision system uses a semiconductor quantum dot optical amplifier module when several optical amplifier modules are connected for use so that a gain automatically becomes flat and automatically becomes fixed even though a channel number and an input signal size become different. Accordingly, the semiconductor quantum dot optical amplifier module of the present invention can be used as a repeater, an amplifier of a metro WDM system, and an amplifying means for the other systems of a WDM type. The optical transmission system using the semiconductor quantum dot optical amplifier module of the present invention can be used in a long-distance transmission system of a WDM type and a WDM network which pass through the optical amplifier module several times.
    • 光通信技术领域本发明涉及一种光通信,更具体地说,涉及宽带波分复用(WDM)光通信系统,该系统可以在克服极化依赖性和解决信道之间的信号泄漏的同时具有宽的放大频带。 在使用这种光放大器模块的WDM光通信系统的光放大器模块和光传输系统中,光放大器模块使用半导体量子点光放大器作为放大装置,因此具有宽的放大ard,并且没有增益的偏振依赖性 并且通道之间的信号泄漏,并且当多个光放大器模块连接使用时,光传输系统使用半导体量子点光放大器模块,使得增益自动变得平坦并且即使通道号和输入信号尺寸自动变得固定 变得不一样 因此,本发明的半导体量子点光放大器模块可以用作中继器,城域WDM系统的放大器和用于WDM类型的其他系统的放大装置。 使用本发明的半导体量子点光放大器模块的光传输系统可以用于通过光放大器模块多次的WDM型和WDM网络的长距离传输系统。