期刊
APPLIED OPTICS
卷 60, 期 17, 页码 5252-5257出版社
OPTICAL SOC AMER
DOI: 10.1364/AO.425679
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资金
- Study Abroad Program for Graduate Student of Guilin University of Electronic Technology [GDYX2019001]
- Innovation Project of Guangxi Graduate Education [YCBZ2015037]
- National Natural Science Foundation of China [51366003, 61461014, 61764002]
An ultra-compact electro-optic microring modulator based on a hybrid plasmonic waveguide is proposed, utilizing AZO for plasmon excitation. The modulator has high modulation speed and is suitable for high-density integrated optical circuits.
We propose an ultra-compact electro-optic microring modulator based on a hybrid plasmonic waveguide. In comparison to previously proposed structures, the present structure utilizes aluminum-doped zinc oxide (AZO), rather than noble metals, for plasmon excitation. AZO can be used to simultaneously tune both the real and imaginary parts of the dielectric constant by changing the carrier concentration. The modulation depth and insertion loss of the microring modulator are 18.70 and 2.76 dB. The proposed modulator has a high modulation speed because its capacitance is 0.22 fF. This device could be used in high-density integrated optical circuits. (C) 2021 Optical Society of America under the terms of the OSA Open Access Publishing Agreement
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