文章基本信息

标题：Si-rich SiN_x based Kerr switch enables optical data conversion up to 12 Gbit/s
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作者：Gong-Ru Lin ; Sheng-Pin Su ; Chung-Lun Wu 等
期刊名称：Scientific Reports
电子版ISSN：2045-2322
出版年度：2015
卷号：5
DOI：10.1038/srep09611
出版社：Springer Nature
摘要：Silicon photonic interconnection on chip is the emerging issue for next-generation integrated circuits. With the Si-rich SiN_x micro-ring based optical Kerr switch, we demonstrate for the first time the wavelength and format conversion of optical on-off-keying data with a bit-rate of 12 Gbit/s. The field-resonant nonlinear Kerr effect enhances the transient refractive index change when coupling the optical data-stream into the micro-ring through the bus waveguide. This effectively red-shifts the notched dip wavelength to cause the format preserved or inversed conversion of data carried by the on-resonant or off-resonant probe, respectively. The Si quantum dots doped Si-rich SiN_x strengthens its nonlinear Kerr coefficient by two-orders of magnitude higher than that of bulk Si or Si₃N₄. The wavelength-converted and cross-amplitude-modulated probe data-stream at up to 12-Gbit/s through the Si-rich SiN_x micro-ring with penalty of −7 dB on transmission has shown very promising applicability to all-optical communication networks.