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    • 2. 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。
    • 6. 发明申请
    • Half duplex type optical connection structure and optical device suitable for the same
    • 半双工型光连接结构和光学装置适合相同
    • US20070154222A1
    • 2007-07-05
    • US11592304
    • 2006-11-02
    • Seung-Woo KimIn KimJeong-Seok Lee
    • Seung-Woo KimIn KimJeong-Seok Lee
    • H04B10/12
    • H04B10/43
    • Disclosed is an optical connection structure of half-duplex transmission type and an optical device suitable for the same. The optical connection structure of half-duplex type comprises two or more signal transmitting/receiving units, which are interconnected through an optical waveguide, wherein each of the signal transmitting/receiving units comprises an optical device having a light source for producing and emitting optical signals to the outside through an opening, and a photodetector for receiving the optical signals incident thereto and converting the optical signals into electric signals, the light source and the photodetector being integrated with each other; and a control unit, which in the signal transmitting mode, drives the light source, so that the corresponding signal transmitting/receiving unit functions as a light source, and in the signal receiving mode, drives the photodetector, so that the corresponding signal transmitting/receiving unit functions as a photodetector.
    • 公开了半双工传输类型的光连接结构和适合于此的光学装置。 半双工类型的光连接结构包括两个或多个通过光波导互连的信号发射/接收单元,其中信号发射/接收单元中的每一个包括具有用于产生和发射光信号的光源的光学装置 以及用于接收入射到其上的光信号并将光信号转换为电信号的光电检测器,光源和光电检测器彼此集成; 以及控制单元,其在信号发送模式下驱动光源,使得相应的信号发送/接收单元用作光源,并且在信号接收模式中驱动光电检测器,使得相应的信号发送/ 接收单元用作光电检测器。
    • 10. 发明申请
    • Wavelength-division-multiplexed passive optical network
    • 波分复用无源光网络
    • US20060147210A1
    • 2006-07-06
    • US11250228
    • 2005-10-14
    • Seung-Woo KimJeong-Seok LeeSeong-Taek Hwang
    • Seung-Woo KimJeong-Seok LeeSeong-Taek Hwang
    • H04J14/00
    • H04J14/02H04J14/0226H04J14/0246H04J14/025H04J14/0282H04J14/06
    • A broadband light source includes: at least two semiconductor optical active devices for generating TE polarized lights of different wavelength bands; an optical coupler for dividing each of the TE polarized lights input from each of the semiconductor optical active devices into two TE polarized lights, and outputting the two TE polarized lights, the two TE polarized lights including a first TE polarized light and a second TE polarized light; a first optical line for transmitting the first TE polarized light, while maintaining a polarization mode of the first TE polarized light; a second optical line for converting the second TE polarized light into a TM polarized light; a polarization beam combiner for combining the first TE polarized light and the TM polarized light to generate a polarization-independent light; and a band separator for separating and outputting the polarization-independent light according to wavelength bands.
    • 宽带光源包括:用于产生不同波长带的TE偏振光的至少两个半导体光学有源器件; 用于将从每个半导体光学有源器件输入的每个TE偏振光分成两个TE偏振光并输出两个TE偏振光的光耦合器,所述两个TE偏振光包括第一TE偏振光和第二TE偏振光 光; 用于在保持第一TE偏振光的偏振模式的同时传输第一TE偏振光的第一光线; 用于将第二TE偏振光转换为TM偏振光的第二光线; 偏振光束组合器,用于组合第一TE偏振光和TM偏振光以产生偏振无关的光; 以及用于根据波段分离和输出偏振无关的光的带分离器。