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High density integrated optical chip with low index difference and high index difference waveguide functions
High density integrated optical chip with low index difference and high index difference waveguide functions
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机译:具有低折射率差和高折射率差波导功能的高密度集成光学芯片
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摘要
The invention features a programmable optical chip. The optical chip has a plurality of optical functions, each of which is connected to a waveguide having a core and a cladding. A photosensitive layer is disposed between at least three of the waveguides, and the photosensitive layer has a refractive index similar to that of the cladding prior to exposure to irradiation. The photosensitive layer changes refractive index upon exposure to irradiation to selectively form an optical connection between at least two of the waveguides.
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