Semiconductor optical amplifier

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专利汇可以提供Semiconductor optical amplifier专利检索,专利查询,专利分析的服务。并且PURPOSE: To prevent the self-oscillation of an amplification element so that stable optical coupling and satisfactory airtight sealing by providing a means for bringing the amplification element and an optical fiber to long-distance coupling by parallel rays.
CONSTITUTION: A signal light to be amplified passes through an input side fiber 101, an optical fiber collimator 104, a semiconductor chip collimator 105, an optical fiber collimator 106, a polarized wave maintaining fiber 107, an optical fiber collimator 108, a semiconductor chip collimator 109, an optical fiber collimator 110, and an isolator 112, and outputted from an output side fiber 113. Also, two amplification elements are connected so that their optimum polarized wave directions are orthogonal optically to each other, therefore, even if an inputted signal light is in any polarized wave state, a prescribed amplification degree is realized in the end. In such a way, the self-oscillation of the amplification element is prevented, and also, airtight sealing by the amplification element simple substance is executed, and stable optical coupling is executed.
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