Fano-like resonance in an all-in-fiber structure

Biqiang Jiang, Xuetao Gan, Linpeng Gu, Zhen Hao, Shouheng Wang, Zhixuan Bi, Lin Zhang, Kaiming Zhou, Jianlin Zhao

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8 引用 (Scopus)

摘要

We achieve Fano-like resonances in an all-in-fiber structure embedded with an in-line Mach-Zehnder interferometer (MZI). A fiber Bragg grating is inserted into MZI’s one arm to form a resonance, which functions as the discrete state of the Fano-like resonance to couple with the continuum propagating mode of MZI in the fiber core. A theoretical model predicts the controllable resonance lineshape by changing the phase difference between the MZI’s two interference pathways. Fano-like resonances with an extinction ratio over 20 dB are experimentally observed, which are reliably tuned into Lorentzian and electromagnetically induced transparency-like resonances by versatile methods. The realization of Fano-like resonances with broad tunability in this all-in-fiber structure holds potentials in fiber-based applications of sensing, signal processing and nonlinear optics.

源语言英语
文章编号7102907
期刊IEEE Photonics Journal
11
5
DOI
出版状态已出版 - 10月 2019

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