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    • 2. 发明授权
    • Optical device having optical waveguide including organic Bragg grating sheet
    • 具有包括有机布拉格光栅片的光波导的光学装置
    • US07639911B2
    • 2009-12-29
    • US11437892
    • 2006-05-19
    • Myung Hyun LeeMin Su KimJung Jin JuSeung Koo Park
    • Myung Hyun LeeMin Su KimJung Jin JuSeung Koo Park
    • G02B6/34G02F1/295
    • G02B6/124G02B6/12007G02B6/1221
    • Provided is an optical device having an optical waveguide including an organic Bragg grating sheet. The optical device includes a cladding layer, and an optical waveguide. The cladding layer is formed on a substrate, and the optical waveguide is formed within the cladding layer. The optical waveguide includes a core layer and an organic Bragg grating sheet located within the core layer. The organic Bragg grating sheet has a refractive index higher than that of the core layer to reflect or transmit light having a predetermined wavelength. Accordingly, light propagates through the optical waveguide with high reflectance and low loss. Besides, a high performance tunable wavelength filter or tunable dispersion compensator may be constructed by forming a thermal electrode on the optical waveguide, forming a tapered optical waveguide, or forming a chirped organic Bragg grating sheet in the middle of the core layer of the optical waveguide.
    • 提供了具有包括有机布拉格光栅片的光波导的光学装置。 光学装置包括包覆层和光波导。 在基板上形成包覆层,在包覆层内形成光波导。 光波导包括芯层和位于芯层内的有机布拉格光栅片。 有机布拉格光栅片的折射率高于芯层的折射率,以反射或透射具有预定波长的光。 因此,光以高反射率和低损耗传播通过光波导。 此外,可以通过在光波导上形成热电极,形成锥形光波导或在光波导的芯层的中间形成啁啾的有机布拉格光栅片来构造高性能可调波长滤波器或可调谐色散补偿器 。
    • 5. 发明授权
    • Wavelength converter, method of manufacturing wavelength converter and optical device using the same
    • 波长转换器,波长转换器的制造方法及使用其的光学器件
    • US06927895B2
    • 2005-08-09
    • US10272675
    • 2002-10-17
    • Jung-jin JuSun-tak ParkMyung-hyun LeeSeung-koo ParkJung-yun Do
    • Jung-jin JuSun-tak ParkMyung-hyun LeeSeung-koo ParkJung-yun Do
    • G02F1/015G02F1/065G02F1/35G02F1/377G02F1/365G02B6/12
    • G02F1/3775G02F1/065G02F2001/3546
    • In a wavelength converter using a nonlinear polymeric waveguide, a wavelength variable wavelength converter having a nonlinear polymeric waveguide in which insertion losses are minimized and wavelength conversion efficiencies are improved, and an optical device using the wavelength converter are provided. The wavelength converter for converting the wavelength of inputted light includes a semiconductor substrate, a first electrode formed on the semiconductor substrate, a lower cladding layer formed on the first electrode, a core layer formed on the lower cladding layer and formed of nonlinear polymer by which the wavelength of light is substantially converted by the inputted light, an upper cladding layer formed on the core layer, and a second electrode formed on the upper cladding layer, which tunes center wavelengths of the conversion by adjusting the refractive index of the core layer. The core layer includes a projected and relatively thick rib-structure, and a quasi-phase matched grating is formed in the rib.
    • 在使用非线性聚合物波导的波长转换器中,提供了具有非线性聚合波导的波长可变波长转换器,其中插入损耗最小化并且波长转换效率得到改善,并且提供了使用波长转换器的光学器件。 用于转换输入光的波长的波长转换器包括半导体衬底,形成在半导体衬底上的第一电极,形成在第一电极上的下包层,在下包层上形成的芯层,由非线性聚合物形成, 光的波长通过输入的光,形成在芯层上的上包层,以及形成在上包层上的第二电极基本上转换,其通过调整芯层的折射率调节转换的中心波长。 芯层包括突出且相对较厚的肋结构,并且在肋中形成准相位匹配光栅。