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Mode transformer between low index difference waveguide and high index difference waveguide
Mode transformer between low index difference waveguide and high index difference waveguide
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机译:低折射率差波导与高折射率差波导之间的模式变换器
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摘要
A mode transformer that enables low-loss coupling between optical modes of two waveguides with different index difference. The mode size and the effective index are gradually changed between two waveguides to gradually transform the mode shape, size, and speed with minimum power loss. The mode transformer is useful for coupling the mode of an optical fiber waveguide with low index difference to the mode of a planar high index difference waveguide, and vice versa.
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