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    • 22. 发明授权
    • Optical demultiplexer having bragg diffration grating and optical communication module using the optical demultiplexer
    • 具有布喇格扩散光栅的光解复用器和使用该光解复用器的光通信模块
    • US07215884B2
    • 2007-05-08
    • US10744338
    • 2003-12-23
    • Jun-Mo KooSe-Yoon KimKyoung-Youm Kim
    • Jun-Mo KooSe-Yoon KimKyoung-Youm Kim
    • H04J14/02H04B10/12G02B6/42G02B6/34
    • H04B10/40
    • An optical demultiplexer having at least one Bragg diffraction grating for minimizing crosstalk on the sides of transmitting and receiving optical signals, as well as an optical communication module using the optical demultiplexer. The optical demultiplexer has first and second waveguides arranged adjacent each other in a predetermined section in order to perform mode coupling, so that the optical signals input through one end of the first waveguide are transmitted to a light receiving element through the second waveguide, and in which output light waves inputted through the other end of the first waveguide are output through the one end of the first waveguide. A first Bragg diffraction grating is formed on the second waveguide and haa wavelength selectivity, for minimizing crosstalk by transmitting a reception wavelength of the optical signals at about 100% and by reflecting a wavelength of the output light waves at about 100%.
    • 一种具有至少一个布拉格衍射光栅的光解复用器,用于最小化发送和接收光信号两侧的串扰,以及使用该光解复用器的光通信模块。 光解复用器具有在预定部分中彼此相邻布置的第一和第二波导,以便执行模式耦合,使得通过第一波导的一端输入的光信号通过第二波导传输到光接收元件,并且在 其输出通过第一波导的另一端输入的光波通过第一波导的一端输出。 在第二波导上形成第一布拉格衍射光栅和波长选择性,以便通过将光信号的接收波长发送到大约100%并通过将输出光波的波长反射到大约100%来最小化串扰。
    • 29. 发明授权
    • Dual-band wavelength division multiplexer
    • 双频波分复用器
    • US07190855B2
    • 2007-03-13
    • US10935648
    • 2004-09-07
    • Dong-Kyoon HanKyoung-Youm Kim
    • Dong-Kyoon HanKyoung-Youm Kim
    • G02B6/28
    • G02B6/12016
    • A dual-band wavelength division multiplexer is disclosed. The multiplexer includes a first and a second slab waveguide, a plurality of channel waveguides connecting the first slab waveguide to the second slab waveguide, an input part connected to the first slab waveguide, and an output part connected to the second slab waveguide. The input part includes an input waveguide for receiving an optical signal from an exterior, and a wavelength division multiplexing filter connected to the input waveguide, for outputting an optical signal in a first band to a first connecting waveguide, and outputting an optical signal in a second band to a second connecting waveguide. The input part also includes a first mode converter connected to the wavelength division multiplexing filter through the first connecting waveguide, for mode-converting the inputted optical signal in the first band and a second mode converter connected to the wavelength division multiplexing filter through the second connecting waveguide, for mode-converting the inputted optical signal in the second band. An output mode of the first mode converter has a width different from that of an output mode of the second mode converter.
    • 公开了一种双频带波分复用器。 多路复用器包括第一和第二平板波导,将第一平板波导连接到第二平板波导的多个通道波导,连接到第一平板波导的输入部分和连接到第二平板波导的输出部分。 输入部分包括用于从外部接收光信号的输入波导和连接到输入波导的波分复用滤波器,用于将第一频带中的光信号输出到第一连接波导,并输出光信号 第二带到第二连接波导。 输入部分还包括通过第一连接波导连接到波分多路复用滤波器的第一模式转换器,用于对第一频带中输入的光信号进行模式转换,以及通过第二连接连接到波分复用滤波器的第二模式转换器 波导,用于在第二频带中对输入的光信号进行模式转换。 第一模式转换器的输出模式具有与第二模式转换器的输出模式不同的宽度。
    • 30. 发明申请
    • Dual-band wavelength division multiplexer
    • 双频波分复用器
    • US20050152641A1
    • 2005-07-14
    • US10935648
    • 2004-09-07
    • Dong-Kyoon HanKyoung-Youm Kim
    • Dong-Kyoon HanKyoung-Youm Kim
    • G02B6/12G02B6/28G02B6/34G02B6/293G02B6/26
    • G02B6/12016
    • A dual-band wavelength division multiplexer is disclosed. The multiplexer includes a first and a second slab waveguide, a plurality of channel waveguides connecting the first slab waveguide to the second slab waveguide, an input part connected to the first slab waveguide, and an output part connected to the second slab waveguide. The input part includes an input waveguide for receiving an optical signal from an exterior, and a wavelength division multiplexing filter connected to the input waveguide, for outputting an optical signal in a first band to a first connecting waveguide, and outputting an optical signal in a second band to a second connecting waveguide. The input part also includes a first mode converter connected to the wavelength division multiplexing filter through the first connecting waveguide, for mode-converting the inputted optical signal in the first band and a second mode converter connected to the wavelength division multiplexing filter through the second connecting waveguide, for mode-converting the inputted optical signal in the second band. An output mode of the first mode converter has a width different from that of an output mode of the second mode converter.
    • 公开了一种双频带波分复用器。 多路复用器包括第一和第二平板波导,将第一平板波导连接到第二平板波导的多个通道波导,连接到第一平板波导的输入部分和连接到第二平板波导的输出部分。 输入部分包括用于从外部接收光信号的输入波导和连接到输入波导的波分复用滤波器,用于将第一频带中的光信号输出到第一连接波导,并输出光信号 第二带到第二连接波导。 输入部分还包括通过第一连接波导连接到波分多路复用滤波器的第一模式转换器,用于对第一频带中输入的光信号进行模式转换,以及通过第二连接连接到波分复用滤波器的第二模式转换器 波导,用于在第二频带中对输入的光信号进行模式转换。 第一模式转换器的输出模式具有与第二模式转换器的输出模式不同的宽度。