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    • 1. 发明授权
    • Polarization mode dispersion compensation apparatus using a photonic crystal structure
    • 使用光子晶体结构的偏振模色散补偿装置
    • US07206513B2
    • 2007-04-17
    • US10636735
    • 2003-08-08
    • Hong-seok LeeJi-deog KimIl-kwon MoonSuk-han Lee
    • Hong-seok LeeJi-deog KimIl-kwon MoonSuk-han Lee
    • H04J14/02
    • G02F1/0121B82Y20/00G02B6/1225G02F1/011G02F1/0136G02F1/1326G02F1/13318G02F2202/32H04B10/2569
    • A polarization mode dispersion compensation apparatus using a photonic crystal structure includes an optical signal splitter for splitting and outputting incident optical signals into optical signals of a first and second polarization state; an optical signal combiner for combining and outputting the optical signals of the first and second polarization states; an optical signal guide having a photonic crystal structure having a first waveguide and a longer and variable second waveguide; a signal tab for externally outputting a portion of the optical signals and for outputting a portion of the optical signals to a feedback unit; a feedback unit for measuring a dispersion degree of the first and second polarization states inputted from the signal tab, and for outputting a feedback signal for removing the polarization mode dispersion; and an effective optical path length variation unit for varying an effective optical path length of the second waveguide.
    • 使用光子晶体结构的偏振模色散补偿装置包括用于将入射光信号分离并输出到第一和第二偏振状态的光信号的光信号分离器; 光信号组合器,用于组合和输出第一和第二极化状态的光信号; 具有光子晶体结构的光信号引导件,具有第一波导和较长且可变的第二波导; 用于从外部输出光信号的一部分并将一部分光信号输出到反馈单元的信号标签; 反馈单元,用于测量从信号标签输入的第一和第二偏振态的色散度,并输出用于去除偏振模色散的反馈信号; 以及用于改变第二波导的有效光程长度的有效光程长度变化单元。
    • 4. 发明授权
    • 2×2 optical switching apparatus using photonic crystal structures
    • 采用光子晶体结构的2x2光开关装置
    • US07013061B2
    • 2006-03-14
    • US10714457
    • 2003-11-17
    • Hong-seok LeeSuk-han LeeJi-deog KimIl-kwon Moon
    • Hong-seok LeeSuk-han LeeJi-deog KimIl-kwon Moon
    • G02B6/26
    • G02F1/3137G02F1/0147G02F2202/32
    • A 2×2 optical switching apparatus using photonic crystal structures has a compact, simple structure and includes an optical-guide module having first, second, third and fourth waveguides, the first and second waveguides guiding a first optical signal of a first input port to a first and a second output port, respectively, the third and fourth waveguides guiding a second optical signal of a second input port to the second and the first output ports, respectively, and formed with photonic crystals having a complete photonic bandgap for a wavelength range of the first and second optical signals, and a switching control section controlling the first and second optical signals to be respectively guided through either a first/third waveguide route or a second/fourth waveguide route according to a route-selecting-control signal inputted from outside. The 2×2 optical switching apparatus has no mechanical motion, little polarization dependence and may be efficiently used in optical networks.
    • 使用光子晶体结构的2x2光开关装置具有紧凑的简单结构,并且包括具有第一,第二,第三和第四波导的光导模块,第一和第二波导将第一输入端口的第一光信号引导到第一 和第二输出端口,所述第三和第四波导分别将第二输入端口的第二光信号引导到所述第二输出端口和所述第一输出端口,并且形成为具有用于波长范围的完整光子带隙的光子晶体 第一和第二光信号,以及根据从外部输入的路由选择控制信号,控制第一和第二光信号分别被引导通过第一/第三波导路径或第二/第四波导路径的切换控制部。 2×2光开关装置没有机械运动,极少的偏振依赖性,并且可以有效地用于光网络。
    • 6. 发明授权
    • Light regulating device and photonic crystal display utilizing photonic bandgap controls
    • 光调节装置和利用光子带隙控制的光子晶体显示器
    • US07064886B2
    • 2006-06-20
    • US10626881
    • 2003-07-25
    • Il-kwon MoonSuk-han LeeHong-seok LeeJi-deog Kim
    • Il-kwon MoonSuk-han LeeHong-seok LeeJi-deog Kim
    • G02F1/00G02F1/03G02F1/1335
    • G02F1/01G02F2202/32
    • A light regulating device and photonic crystal display device utilizing bandgap controls including a photonic crystal including a material that is capable of varying its refractive index in accordance with an electric field, the photonic crystal having a photonic bandgap in a specific frequency range; and an upper transparent electrode and a lower transparent electrode arranged on an upper side and a lower side of the photonic crystal, respectively, to which a voltage is applied, wherein a size of the photonic bandgap of the photonic crystal is controlled by the voltage applied between the upper transparent electrode and the lower transparent electrode. With the present invention, a reflection-type or penetration-type display is available which has a simple pixel structure, a high light efficiency, and a high color contrast ratio, the display using high reflection factors depending on color ranges of a photonic crystal.
    • 一种调光装置和光子晶体显示装置,利用带隙控制装置,包括光子晶体,其包括能够根据电场改变其折射率的材料,所述光子晶体在特定频率范围内具有光子带隙; 以及分别设置在其上施加电压的光子晶体的上侧和下侧的上透明电极和下透明电极,其中光子晶体的光子带隙的大小由施加的电压控制 在上透明电极和下透明电极之间。 根据本发明,可以使用具有简单像素结构,高光效率和高对比度比的反射型或穿透式显示器,该显示器使用高光反射系数,取决于光子晶体的颜色范围。
    • 8. 发明授权
    • Photonic crystal-based resonant cavity and resonator
    • 光子晶体谐振腔和谐振器
    • US07012946B2
    • 2006-03-14
    • US10724632
    • 2003-12-02
    • Ji-deog KimSuk-han Lee
    • Ji-deog KimSuk-han Lee
    • H01S3/08
    • G02B6/1225B82Y20/00
    • A photonic crystal-based resonant cavity includes a first dielectric substance having a first dielectric permittivity, a plurality of second dielectric substances having a second dielectric permittivity and arranged in a first periodic structure with respect to at least one or more directions on a plane formed of the first dielectric substance, a plurality of third dielectric substances having a third dielectric permittivity and arranged in a second periodic structure with respect to at least one or more directions on the plane formed of the first dielectric substance, and disposed in unit cells formed by the plurality of second dielectric substances so as to be arranged in a third periodic structure together with the plurality of second dielectric substances, and one or more local defects formed to disrupt either the first periodic structure formed by the second dielectric substances or the second periodic structure formed by the third dielectric substances.
    • 基于光子晶体的谐振腔包括具有第一介电常数的第一电介质物质,具有第二介电常数的多个第二电介质物质,并且相对于至少一个或多个方向以第一周期性结构布置在由 所述第一电介质物质,具有第三介电常数的多个第三电介质物质,并且在由所述第一电介质形成的平面上相对于所述至少一个以上的方向配置在第二周期性结构中, 多个第二电介质物质与多个第二电介质物质一起被布置在第三周期性结构中,并且形成一个或多个局部缺陷,以破坏形成的第二电介质或第二周期性结构形成的第一周期性结构 由第三介电物质。
    • 9. 发明申请
    • Photonic bandgap optical fiber
    • 光子带隙光纤
    • US20050041945A1
    • 2005-02-24
    • US10921858
    • 2004-08-20
    • Suk-han LeeJi-deog Kim
    • Suk-han LeeJi-deog Kim
    • G02B6/00G02B6/02G02B6/032G02B6/12G02B6/20
    • G02B6/02328G02B6/02352
    • A photonic band-gap optical fiber is disclosed. The photonic band-gap optical fiber includes a photonic crystal having plural band-gaps. The photonic crystal includes a first medium having a first permittivity; plural second media having a second permittivity, and formed in a first periodic arrangement with respect to at least one or more directions on a plane formed of the first medium; and plural third media having a third permittivity, formed in a second periodic arrangement with respect to at least one or more directions on the plane formed of the first medium, and formed in a third periodic arrangement with respect to at least one or more directions together with the plural second media. The photonic crystal has a hollow portion for propagating light passing through the plane formed of the first medium. The photonic band-gap optical fiber can be used to propagate light of plural, different bands at the same time.
    • 公开了一种光子带隙光纤。 光子带隙光纤包括具有多个带隙的光子晶体。 光子晶体包括具有第一介电常数的第一介质; 具有第二介电常数的多个第二介质,并且在由所述第一介质形成的平面上相对于至少一个或多个方向以第一周期性布置形成; 以及具有第三介电常数的多个第三介质,相对于由第一介质形成的平面上的至少一个或多个方向以第二周期性布置形成,并且相对于至少一个或多个方向在第三周期性布置中形成在一起 与复数第二媒体。 光子晶体具有用于传播通过由第一介质形成的平面的光的中空部分。 光子带隙光纤可以同时传播多个不同频带的光。
    • 10. 发明授权
    • Photonic bandgap optical fiber
    • 光子带隙光纤
    • US07016584B2
    • 2006-03-21
    • US10921858
    • 2004-08-20
    • Suk-han LeeJi-deog Kim
    • Suk-han LeeJi-deog Kim
    • G02B6/20
    • G02B6/02328G02B6/02352
    • A photonic band-gap optical fiber is disclosed. The photonic band-gap optical fiber includes a photonic crystal having plural band-gaps. The photonic crystal includes a first medium having a first permittivity; plural second media having a second permittivity, and formed in a first periodic arrangement with respect to at least one or more directions on a plane formed of the first medium; and plural third media having a third permittivity, formed in a second periodic arrangement with respect to at least one or more directions on the plane formed of the first medium, and formed in a third periodic arrangement with respect to at least one or more directions together with the plural second media. The photonic crystal has a hollow portion for propagating light passing through the plane formed of the first medium. The photonic band-gap optical fiber can be used to propagate light of plural, different bands at the same time.
    • 公开了一种光子带隙光纤。 光子带隙光纤包括具有多个带隙的光子晶体。 光子晶体包括具有第一介电常数的第一介质; 具有第二介电常数的多个第二介质,并且在由所述第一介质形成的平面上相对于至少一个或多个方向以第一周期性布置形成; 以及具有第三介电常数的多个第三介质,相对于由第一介质形成的平面上的至少一个或多个方向以第二周期性布置形成,并且相对于至少一个或多个方向在第三周期性布置中形成在一起 与复数第二媒体。 光子晶体具有用于传播通过由第一介质形成的平面的光的中空部分。 光子带隙光纤可以同时传播多个不同频带的光。