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    • 1. 发明授权
    • Optical signal transmission apparatus including reflective gain-clamped semiconductor optical amplifier
    • 光信号传输装置包括反射增益钳位半导体光放大器
    • US07110168B2
    • 2006-09-19
    • US10847109
    • 2004-05-17
    • Jeong-Seok LeeHo-In KimIn-Kuk YunSeung-Woo KimHyun-Cheol ShinYun-Je OhSeong-Taek Hwang
    • Jeong-Seok LeeHo-In KimIn-Kuk YunSeung-Woo KimHyun-Cheol ShinYun-Je OhSeong-Taek Hwang
    • H04B10/12
    • H04B10/506H01S3/2333H01S3/2383H01S5/005H01S5/5072H01S2301/02
    • Disclosed are optical signal transmission apparatus including a reflective gain-clamped semiconductor optical amplifier and optical communication system using the optical signal transmission apparatus, which can improve modulation speed and optical power by effectively suppressing intensity noise of an incoherent light source. The optical signal transmission apparatus comprises a light source; a reflective gain-clamped semiconductor optical amplifier to generate gain-clamped optical signals having a substantially constant output intensity in a gain saturation region; a wavelength division multiplexing apparatus configured to spectrum-slice light from the light source, provide the spectrum-sliced light to the reflective gain-clamped semiconductor optical amplifier, and multiplex optical signals gain-clamped by the reflective gain-clamped optical amplifier, and a circulator for inputting the light generated by the light source to the wavelength division multiplexing apparatus, and outputting the optical signal multiplexed by the wavelength division multiplexing apparatus to a transmission link.
    • 公开了包括使用光信号传输装置的反射增益钳位半导体光放大器和光通信系统的光信号传输装置,其可以通过有效地抑制非相干光源的强度噪声来提高调制速度和光功率。 光信号传输装置包括光源; 反射增益钳位半导体光放大器,用于产生在增益饱和区中具有基本上恒定的输出强度的增益钳位光信号; 波长分割多路复用装置,被配置为对来自光源的光进行光谱分片,向经反射增益钳位的半导体光放大器提供频谱切割的光,并对由反射增益钳位的光放大器进行增益钳位的多路复用光信号,以及 循环器,用于将由光源产生的光输入到波分多路复用装置,并将由波分多路复用装置复用的光信号输出到传输链路。