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TUNABLE OPTICAL FREQUENCY CONVERTER BASED ON AN AMPLITUDE MODULATOR
TUNABLE OPTICAL FREQUENCY CONVERTER BASED ON AN AMPLITUDE MODULATOR
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机译:基于放大器调制器的可调谐光学频率转换器
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摘要
The present invention provides a tunable optical frequency converter based on an amplitude modulator, which comprises a laser, a first optical isolator, a circulating frequency conversion module. Said circulating frequency conversion module is composed of an optical coupler, an amplitude modulator, an optical amplifier, a second optical isolator, a first optical circulator, an optical fiber Bragg grating, a second optical circulator, a tunable filter and a tunable attenuator. Light outputted by said laser is inputted to said circulating frequency conversion module to conduct frequency converting repeatedly after passing through the first optical isolator, and then separated by a tunable filter and a second optical circulator, then the frequency converted light is outputted from the port of the circulating frequency conversion module. The frequency converter provided in the present invention has a compact volume and fewer optical components, which means it is easy to be integrated, a big frequency converting range, a high frequency converting efficiency and a high output power.
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