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Title: Experimental demonstration of thermally tunable Fano and EIT resonances in coupled resonant system on SOI platform
Authors: Littlejohns, Callum George
Zhang, Zecen
Ng, Geok Ing
Hu, Ting
Qiu, Haodong
Guo, Xin
Wang, Wanjun
Liu, Chongyang
Sia, Jiaxu
Zhou, Jin
Nedeljkovic, Milos
Reed, Graham T.
Wang, Hong
Mohamed Saïd Rouifed
Keywords: Silicon Nanophotonics
Integrated Nanophotonic Systems
Engineering::Electrical and electronic engineering
Issue Date: 2018
Source: Zhang, Z., Ng, G. I., Hu, T., Qiu, H., Guo, X., Wang, W., . . . Wang, H. (2018). Experimental demonstration of thermally tunable Fano and EIT resonances in coupled resonant system on SOI platform. IEEE Photonics Journal, 10(3), 6601108-. doi:10.1109/JPHOT.2018.2839621
Series/Report no.: IEEE Photonics Journal
Abstract: Thermally tunable Fano and electromagnetically induced transparency (EIT) resonances are theoretically and experimentally demonstrated based on a Mach-Zehnder interferometer assisted Bragg grating-microring coupled resonant system on silicon-on-insulator (SOI) platform. In this paper, the destructive and constructive coupling between the two resonators, the microring resonator and the Fabry-Perot resonator formed by two Bragg gratings, give rise to the Fano and EIT resonances, respectively. The resonance lineshape can be controlled and converted by tuning the optical path length of the MZI arm. The device performance has been theoretically analyzed by using a specially developed numerical model. The coupled resonant system was designed, fabricated, and characterized on a commercial (SOI) platform. The tuning and conversion of the resonance lineshape by thermo-optical effect have been experimentally observed and verified, with good agreement between the experimental data and the simulations.
ISSN: 1943-0655
DOI: 10.1109/JPHOT.2018.2839621
Rights: © 2018 IEEE. Translations and content mining are permitted for academic research only. Personal use is also permitted, but republication/redistribution requires IEEE permission. See for more information.
Fulltext Permission: open
Fulltext Availability: With Fulltext
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