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Photonic crystal planar waveguide comprising a mode converter and optical system comprising the waveguide coupled to an optical fibre
Photonic crystal planar waveguide comprising a mode converter and optical system comprising the waveguide coupled to an optical fibre
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机译:包括模式转换器的光子晶体平面波导和包括耦合到光纤的波导的光学系统
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摘要
The circuit has a guide (12) formed in a photonic crystal membrane (11) at a surface of a substrate (10a), and a mode adapter (13) coupled to the guide. The membrane comprises a central point forming the adapter having a section gradient in termination of the guide. The central point is suspended, so as to permit the propagation of modes in a symmetrical manner. The membrane is made of silicon or III-V type material such as gallium arsenide, gallium aluminum arsenide, gallium-indium phosphide, indium phosphide or gallium indium arsenide phosphide. Independent claims are also included for the following: (1) a method for fabricating a photonic crystal circuit (2) an optical system comprising a photonic circuit and an optical fiber.
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