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Experimental demonstration of thermally tunable fano and EIT resonances in coupled resonant system on SOI platform

Experimental demonstration of thermally tunable fano and EIT resonances in coupled resonant system on SOI platform
Experimental demonstration of thermally tunable fano and EIT resonances in coupled resonant system on SOI platform

Thermally tunable Fano and electromagnetically induced transparency (EIT) resonances are theoretically and experimentally demonstrated based on a Mach-Zehnder interferometer (MZI)-assisted Bragg grating-microring coupled resonant system on SOI platform. In this work, 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 silicon-on-insulator (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.

Attenuation, Bragg gratings, Couplings, electro-optical systems, Erbium, integrated nanophotonic systems, Optical waveguides, Resonators, Silicon nanophotonics, Tuning
1943-0655
1-8
Zhang, Zecen
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Ng, Geok Ing
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Hu, Ting
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Qiu, Haodong
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Guo, X.
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Wang, Wanjun
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Rouifed, Mohamed Said
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Liu, Chongyang
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Xia, Jiaxu
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Zhou, Jin
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Littlejohns, Callum G.
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Nedeljković, Milos
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Reed, Graham T.
ca08dd60-c072-4d7d-b254-75714d570139
Wang, Hong
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Zhang, Zecen
bfd08efc-a02b-4052-a9f7-134e20b902f7
Ng, Geok Ing
b59f52c9-5da7-4b7b-92cf-25a7d0d79d93
Hu, Ting
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Qiu, Haodong
1061098e-e16e-49ad-8068-26f68872db23
Guo, X.
941af9ec-ae51-4dd1-a3eb-85a2dc4058be
Wang, Wanjun
79108a43-c2a9-4a18-9aeb-8a9b45941dd0
Rouifed, Mohamed Said
c498264d-50f4-4003-9d18-b40f318160e2
Liu, Chongyang
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Xia, Jiaxu
4ad76168-d3b7-46a3-9d0f-5626428a23ef
Zhou, Jin
614f5ebf-cf64-4299-b6d3-aee0e91eba8b
Littlejohns, Callum G.
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Nedeljković, Milos
9a8b131e-8e02-4c01-b3cd-ad8cbbd498bf
Reed, Graham T.
ca08dd60-c072-4d7d-b254-75714d570139
Wang, Hong
dfd0ec4f-682a-4596-a0d1-171313cc5733

Zhang, Zecen, Ng, Geok Ing, Hu, Ting, Qiu, Haodong, Guo, X., Wang, Wanjun, Rouifed, Mohamed Said, Liu, Chongyang, Xia, Jiaxu, Zhou, Jin, Littlejohns, Callum G., Nedeljković, Milos, Reed, Graham T. and Wang, Hong (2018) Experimental demonstration of thermally tunable fano and EIT resonances in coupled resonant system on SOI platform. IEEE Photonics Journal, 1-8. (doi:10.1109/JPHOT.2018.2839621).

Record type: Article

Abstract

Thermally tunable Fano and electromagnetically induced transparency (EIT) resonances are theoretically and experimentally demonstrated based on a Mach-Zehnder interferometer (MZI)-assisted Bragg grating-microring coupled resonant system on SOI platform. In this work, 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 silicon-on-insulator (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.

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Accepted/In Press date: 21 May 2018
e-pub ahead of print date: 22 May 2018
Keywords: Attenuation, Bragg gratings, Couplings, electro-optical systems, Erbium, integrated nanophotonic systems, Optical waveguides, Resonators, Silicon nanophotonics, Tuning

Identifiers

Local EPrints ID: 421469
URI: https://eprints.soton.ac.uk/id/eprint/421469
ISSN: 1943-0655
PURE UUID: df45f74c-bc31-41ee-a45b-616e376fd2c2

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Date deposited: 13 Jun 2018 16:30
Last modified: 02 Dec 2019 18:07

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Contributors

Author: Zecen Zhang
Author: Geok Ing Ng
Author: Ting Hu
Author: Haodong Qiu
Author: X. Guo
Author: Wanjun Wang
Author: Mohamed Said Rouifed
Author: Chongyang Liu
Author: Jiaxu Xia
Author: Jin Zhou
Author: Callum G. Littlejohns
Author: Milos Nedeljković
Author: Graham T. Reed
Author: Hong Wang

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