System for transmitting raman of optical fiber after amplification
专利汇可以提供System for transmitting raman of optical fiber after amplification专利检索，专利查询，专利分析的服务。并且PURPOSE:To improve the amplification degree of the title system so as to extend its transmissible distance and, at the same time, so as to extend the life and to improve the reliability and economic efficiency of the semiconductor optical amplifier element used for amplifying pump light by not only sending pump light to an optical fiber from a transmitting section, but also sending pump light of the same wavelength to the optical fiber from a receiving section. CONSTITUTION:A transmitting section 1 simultaneously sends signal light and pump light having a wavelength which is different from that of the signal light to a receiving section 2 through an optical fiber 3 and the receiving section 2 fetches the pump light arriving at the section 2 and sends the pump light to the transmitting side 1 through the optical fiber 3 after amplification. Since the pump light inputted to the optical fiber 3 from the section 2 is produced by amplifying the received pump light, the pump light changes as the pump light from the section 1 changes. Therefore, the pump light at the section 2 emits light during the period, during which the signal light emits light, as the pump light at the section 1 does. In other words, the pump light at the receiving section 2 emits light during the signal transmitting period only. Therefore, the life of the semiconductor optical amplifier element used for the amplification can be extended as compared with the case where the amplifying operation is continuously made and, as a result, the reliability and economic efficiency of the amplifier element can be improved.，下面是System for transmitting raman of optical fiber after amplification专利的具体信息内容。
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