Tunable Fano-like resonance enabled by coupling a microsphere with a fiber Mach-Zehnder interferometer

Chenyang Zhao; Xuetao Gan; Liang Fang; Lei Han; Kang Chang; Dongying Li; Jianlin Zhao

doi:10.1364/AO.55.005756

Tunable Fano-like resonance enabled by coupling a microsphere with a fiber Mach-Zehnder interferometer

Chenyang Zhao, Xuetao Gan, Liang Fang, Lei Han, Kang Chang, Dongying Li, Jianlin Zhao

Northwestern Polytechnical University Xian

Research output: Contribution to journal › Article › peer-review

15 Scopus citations

Abstract

We demonstrate a simple scheme to achieve Fano-like resonance by coupling a microsphere resonator with a fiber Mach-Zehnder interferometer (FMZI), which includes a tapered microfiber in one pathway to evanescently couple with the microsphere. In this system, Fano-like asymmetric lineshapes could be converted into different types by introducing an extra phase shift in the FMZI. In addition, the sharpness of the Fano-like lineshapes could be controlled by changing the coupling strength between the microsphere and the microfiber. This Fano-like resonance with advantages of fiber integration, tunable lineshape, and ease of operation may have great potential in optical signal processing and sensing.

Original language	English
Pages (from-to)	5756-5760
Number of pages	5
Journal	Applied Optics
Volume	55
Issue number	21
DOIs	https://doi.org/10.1364/AO.55.005756
State	Published - 20 Jul 2016

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title = "Tunable Fano-like resonance enabled by coupling a microsphere with a fiber Mach-Zehnder interferometer",

abstract = "We demonstrate a simple scheme to achieve Fano-like resonance by coupling a microsphere resonator with a fiber Mach-Zehnder interferometer (FMZI), which includes a tapered microfiber in one pathway to evanescently couple with the microsphere. In this system, Fano-like asymmetric lineshapes could be converted into different types by introducing an extra phase shift in the FMZI. In addition, the sharpness of the Fano-like lineshapes could be controlled by changing the coupling strength between the microsphere and the microfiber. This Fano-like resonance with advantages of fiber integration, tunable lineshape, and ease of operation may have great potential in optical signal processing and sensing.",

author = "Chenyang Zhao and Xuetao Gan and Liang Fang and Lei Han and Kang Chang and Dongying Li and Jianlin Zhao",

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T1 - Tunable Fano-like resonance enabled by coupling a microsphere with a fiber Mach-Zehnder interferometer

AU - Zhao, Chenyang

AU - Gan, Xuetao

AU - Fang, Liang

AU - Han, Lei

AU - Chang, Kang

AU - Li, Dongying

AU - Zhao, Jianlin

PY - 2016/7/20

Y1 - 2016/7/20

N2 - We demonstrate a simple scheme to achieve Fano-like resonance by coupling a microsphere resonator with a fiber Mach-Zehnder interferometer (FMZI), which includes a tapered microfiber in one pathway to evanescently couple with the microsphere. In this system, Fano-like asymmetric lineshapes could be converted into different types by introducing an extra phase shift in the FMZI. In addition, the sharpness of the Fano-like lineshapes could be controlled by changing the coupling strength between the microsphere and the microfiber. This Fano-like resonance with advantages of fiber integration, tunable lineshape, and ease of operation may have great potential in optical signal processing and sensing.

AB - We demonstrate a simple scheme to achieve Fano-like resonance by coupling a microsphere resonator with a fiber Mach-Zehnder interferometer (FMZI), which includes a tapered microfiber in one pathway to evanescently couple with the microsphere. In this system, Fano-like asymmetric lineshapes could be converted into different types by introducing an extra phase shift in the FMZI. In addition, the sharpness of the Fano-like lineshapes could be controlled by changing the coupling strength between the microsphere and the microfiber. This Fano-like resonance with advantages of fiber integration, tunable lineshape, and ease of operation may have great potential in optical signal processing and sensing.

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Tunable Fano-like resonance enabled by coupling a microsphere with a fiber Mach-Zehnder interferometer

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