a substrate;two waveguides formed on said substrate intersecting at a right angle; anda diffraction grating structure formed at the intersection of said waveguides.;It is an advantage of the present invention that a polarisation splitter is obtained, which couples orthogonal modes from a single-mode optical fibre into identical modes of two planar waveguides. It may be used in a polarisation diversity configuration to implement a polarisation insensitive photonic integrated circuit based on diffraction grating structures, such as photonic crystals."/> Diffraction grating based fibre-to-waveguide coupler for polarisation independent photonic integrated circuits
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Diffraction grating based fibre-to-waveguide coupler for polarisation independent photonic integrated circuits

机译:基于衍射光栅的光纤到波导耦合器,用于偏振无关的光子集成电路

摘要

The present invention provides a waveguide coupler, comprising:a substrate;two waveguides formed on said substrate intersecting at a right angle; anda diffraction grating structure formed at the intersection of said waveguides.;It is an advantage of the present invention that a polarisation splitter is obtained, which couples orthogonal modes from a single-mode optical fibre into identical modes of two planar waveguides. It may be used in a polarisation diversity configuration to implement a polarisation insensitive photonic integrated circuit based on diffraction grating structures, such as photonic crystals.
机译:本发明提供了一种波导耦合器,包括: 一个基板; 在所述基板上形成的两个波导成直角相交;在所述波导的相交处形成的衍射光栅结构。 ;本发明的优点是获得了偏振分离器,该偏振分离器将来自偏振器的正交模式耦合。单模光纤转换成两个平面波导的相同模。它可以用于偏振分集配置中,以实现基于衍射光栅结构(例如光子晶体)的偏振不敏感光子集成电路。

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