| An Electro—Optical Modulator Based on GeO2—Doped Silica Ridge Waveguides with Thermal Poling |
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| 引用本文： | 曹霞,何赛灵.An Electro—Optical Modulator Based on GeO2—Doped Silica Ridge Waveguides with Thermal Poling[J].中国物理快报,2003,20(7):1081-1083. |
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| 作者姓名： | 曹霞 何赛灵 |
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| 作者单位： | CentreforOpticalandElectromagneticResearch,StateKeyLaboratoryofModernOpticalInstrumentation,zhejiangUniversity,Hangzhou310027 |
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| 摘 要： | A Mach-Zehnder electro-optic modulator is designed and fabricated based on upper-clad GeO2-doped silica ridge waveguides with thermal poling.The electro-optic coefficient obtained is about 0.05pm/V and is polarizationinsensitive.An extinction ratio of over 17dB is achieved.The transmission loss of the modulator for the TE mode is 2-3dB higher than that for the TM mode after the poling.
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| 关 键 词： | 电光调制器 GeO2掺杂 二氧化锗 硅基波导 热还原 电光效应 |
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