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    • 5. 发明授权
    • Package for optical components
    • 光学元件封装
    • US06664511B2
    • 2003-12-16
    • US10281876
    • 2002-10-28
    • Douglas E. CraftsJames F. FarrellMark B. FarrellySuresh RamalingamKenzo Ishida
    • Douglas E. CraftsJames F. FarrellMark B. FarrellySuresh RamalingamKenzo Ishida
    • H05B100
    • G02B6/30G02B6/1203G02B6/36
    • A package for optical components includes an inner package enclosing the optical component, and an outer package enclosing the inner package. A heater may be disposed in the inner package proximate the optical component to control its temperature, and to maintain this temperature control, the outer package creates an isolated air pocket around the inner package, which thermally insulates the inner package from the outside environment. The outer package is formed of a material having low thermal conductivity, to promote this insulating function. This package is especially useful if the optical component comprises a planar light-wave circuit (PLC), e.g. an arrayed waveguide grating (AWG), which requires tight temperature control and structural integrity to maintain the integrity of the optical paths.
    • 用于光学部件的封装包括封装光学部件的内部封装以及封装内部封装的外部封装。 加热器可以在靠近光学部件的内部包装件中设置以控制其温度,并且为了保持该温度控制,外部包装围绕内部包装形成隔离的空气袋,其将内部包装与外部环境热绝缘。 外包装由具有低导热性的材料形成,以促进该绝缘功能。 如果光学部件包括平面光波电路(PLC),例如, 阵列波导光栅(AWG),其需要严格的温度控制和结构完整性来维持光路的完整性。
    • 10. 发明授权
    • Low loss funnel-type PLC optical splitter with input cladding mode absorption structure and/or output segmented taper structure
    • 低损耗漏斗型PLC分光器,具有输入包层模式吸收结构和/或输出分段锥形结构
    • US07330620B2
    • 2008-02-12
    • US11675896
    • 2007-02-16
    • Kenzo IshidaAlan TafapolskyTakaharu Fujiyama
    • Kenzo IshidaAlan TafapolskyTakaharu Fujiyama
    • G02B6/02G02B6/10
    • G02B6/125G02B6/1228
    • A funnel-type planar lightwave circuit (PLC) optical splitter having an input optical waveguide, a slab waveguide receiving the input optical signal from the input optical waveguide, and output waveguides projecting from the slab region. The region connecting the slab waveguide to the output waveguides is characterized by a segmented taper structure. In another additional, or alternative aspect of the present invention, a cladding mode absorption region runs along either or both sides of the input optical waveguide. A funnel-type splitter with both a cladding mode absorption region and a segmented taper structure provides a “super” low loss splitter design, when considering both insertion loss and polarization dependent loss. Advantageously, the disclosed funnel-type PLC splitter does not require a quartz substrate due to its very low PDL, and a silicon substrate can be used. Silicon substrates are known to be lower cost, with a higher resistance to fracture.
    • 具有输入光波导的漏斗型平面光波回路(PLC)光分路器,接收来自输入光波导的输入光信号的平板波导和从板区域突出的输出波导。 将平板波导连接到输出波导的区域的特征在于分段锥形结构。 在本发明的另一个或另一方面中,包层模式吸收区沿输入光波导的一侧或两侧延伸。 当考虑插入损耗和偏振相关损耗时,具有包层模式吸收区域和分段锥形结构的漏斗型分流器提供了“超级”低损耗分离器设计。 有利地,所公开的漏斗型PLC分离器由于其非常低的PDL而不需要石英基板,并且可以使用硅基板。 已知硅基板具有较低的成本,具有较高的抗断裂性。