On-chip programmable pulse processor employing cascaded MZI-MRR structure

查看全文 作　　者：Yuhe [1]ZHAO;Xu [1]WANG;Dingshan [1]GAO;Jianji [1]DONG;Xinliang [1]ZHANG

机构地区：[1]Wuhan National Laboratory for Optoelectronics, School of Optical and Electronic Information, Huazhong University of Science and Technology,Wuhan 430074,China

出　　处：《Frontiers of Optoelectronics》索引2019年第12卷第2期,共9页

摘　　要：Optical pulse processor meets the urgent demand for high-speed,ultra wideband devices,which can avoid electrical confinements in various fields,e.g.,alloptical communication,optical computing technology,cohcrcnt control and microwave fields.To date,great efforts have been madc particularly in on-chip programmable pulse proccessing.Here,we experimentally demonstrate a programmable pulse proceesor employing 16cascaded Mach-Zehnder interferometer coupled microring resonator(MZI-MRR)structure based on silicon-oninsulator wafer.With micro-heaters loaded to the device,both amplitude and frequency tunings can be realized in each MZI-MRR unit.Thanks to its reconfigurability and integration ability,First,it can serve as a fractional differentiator whose tuning range is 0.51-2.23 with deviation no more than 7%.Second,the device can be tuned into a programmable optical filter whose bandwidth varies from 0.15to 0.97nm.The optical filter is also shape tunable.Especially,15-channel wavelength selective switches are generated. 关键词：integrated optics DEVICES optical processing ALL-OPTICAL DEVICES PULSE shaping

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On-chip programmable pulse processor employing cascaded MZI-MRR structure

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