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    • 3. 发明授权
    • Planar optical waveguide and method of fabricating the same
    • 平面光波导及其制造方法
    • US07289712B2
    • 2007-10-30
    • US11237223
    • 2005-09-28
    • Tae Hong KimJong Jun YouHee Kyung Sung
    • Tae Hong KimJong Jun YouHee Kyung Sung
    • G02B6/10
    • G02B6/125G02B6/12004G02B6/12007
    • Provided are a planar optical waveguide and a method of fabricating the same which is adapted to a planar optical component and an optical component for use in a optical communication. The planar optical waveguide includes: a lower cladding layer formed on a substrate, a core formed on the lower cladding layer, a dielectric layer covering the core, and an upper cladding layer formed on the lower cladding layer having the dielectric layer. By forming the dielectric layer having a low refractive index between the core and the clad, a difference of refractive indices between the core and the clad increases so that light is densely focused into the core, thereby forming a single mode having a strong energy to minimize a propagation loss.
    • 提供一种平面光波导及其制造方法,其适用于用于光通信的平面光学部件和光学部件。 平面光波导包括:形成在基板上的下包层,形成在下包层上的芯,覆盖芯的电介质层和形成在具有电介质层的下包层上的上包层。 通过在芯和包层之间形成具有低折射率的电介质层,芯和包层之间的折射率差增加,使得光密集地聚焦到芯中,从而形成具有强能量的单模以最小化 传播损失。