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介绍近期国内外有关光外调制器研究的最新成果.主要包括循环铌酸锂调制器、多量子阱调制器及电吸收调制器.其中循环铌酸锂Mach-Zehnder调制器的调制频率高达180 GHz.
The recent achievements in the field of light modulators, including the cycled lithium niobate modulator, the multi-quantum well modulator and the electroabsorption modulator, are reviewed. The modulation frequency of the pulsed lithium niobate Mach-Zehnder modulator is up to 180 GHz .