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Substrate including photonic crystal and method for manufacturing the same, and surface emitting quantum cascade laser
Substrate including photonic crystal and method for manufacturing the same, and surface emitting quantum cascade laser
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机译:包括光子晶体的基板及其制造方法以及表面发射量子级联激光器
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摘要
A substrate including a photonic crystal has a compound semiconductor, dielectric layers, and a first semiconductor layer. The dielectric layers are provided on a surface of the compound semiconductor substrate and disposed at each grating point of a two-dimensional diffraction grating, each of the dielectric layers having an asymmetric shape in relation to at least one edge of the two-dimensional diffraction grating and having a refractive index lower than a refractive index of the compound semiconductor substrate. The first semiconductor layer includes a flat first face covering the dielectric layers and the surface of the compound semiconductor substrate, a layer constituting the first face containing a material capable of being lattice matched to a material constituting the compound semiconductor substrate.
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