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SEMICONDUCTOR LASER COUPLABLE TO SINGLE MODE OPTICAL FIBER AT HIGH COUPLING EFFICIENCY
SEMICONDUCTOR LASER COUPLABLE TO SINGLE MODE OPTICAL FIBER AT HIGH COUPLING EFFICIENCY
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机译:在高耦合效率下可耦合至单模光纤的半导体激光器
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摘要
A semiconductor laser includes a substrate made of InP, an active layer including a multiquantum well structure, which is formed in a width of 7 to 14 µm on the substrate, and an n-type cladding layer made of InGaAsP and a p-type cladding layer made of InP, which are formed on the substrate with the active layer interposed therebetween. The semiconductor laser oscillates only in the fundamental lateral mode, and light emitted from an exit facet can be optically coupled with an external single mode optical fiber.
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