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Quantum cascade structures on metamorphic buffer layer structures
Quantum cascade structures on metamorphic buffer layer structures
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机译:变质缓冲层结构上的量子级联结构
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摘要
Semiconductor structures, quantum cascade structures and lasers including the structures are provided. The semiconductor structures include a substrate, a metamorphic buffer layer structure over the substrate, and a quantum cascade structure including a superlattice of quantum wells and barriers over the metamorphic buffer layer structure. The substrate may be GaAs and the quantum cascade structure may be an InGaAs/InAlAs superlattice, including one or more barriers of AlAs.
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