Semiconductor optical amplifier (SOA) is an important device in future all-optical communications due to its small volume, low cost and easy integration with other optoelectronic devices, etc.

半导体光放大器（SOA）由于体积小、成本低、易与其他光电器件集成，在未来的全光通信系统中将发挥重要的作用。

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Optical Wavelength converters based on semiconductor laser amplifiers are discussed, which is key components in photonic switching blocks, and also necessary devices in future optical communication.

讨论了基于半导体激光放大器的波长转换器，它是光交换块中的关键元件，也是未来光通信系统中的关键元件。

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The derivative has wide application prospect in the aspects of non-linear optical materials, molecular photoelectric devices, organic semiconductor materials, chemical sensors and the like.

在非线性光学材料、分子光电器件、有机半导材料以及化学传感器等方面都具有广阔的应用前景。

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