Chinese Optics Letters, Volume. 21, Issue 1, 010601(2023)

Optical fiber-based magnetically-tuned graphene mechanical resonator

Hongqian Cao, Zengyong Liu, Danran Li, Zhenda Lu, Ye Chen*, and Fei Xu**
Author Affiliations
  • College of Engineering and Applied Sciences, , Nanjing 210093, China
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    Figures & Tables(5)
    Process of device fabrication: (a) splicing the capillary glass tube (light blue) with the single-mode optical fiber (gray) and cutting it to a predetermined length (∼50 µm); (b) transferring the graphene membrane; (c) covering the air core of the capillary glass tube with UV glue film; (d) riveting the graphene with a ∼100-nm-thick gold film coating via magnetron sputtering; (e) removing the UV glue film and attaching the SPIONs onto the graphene; (f) cutting the integrated SPIONs-graphene sheet in a rectangular shape via a femtosecond laser; (g) optical microscopy image of the SPIONs-integrated magnetic field fiber-tuned GMR encapsulated in a glass tube.
    Characterization of integrated sheet. (a) Raman spectrum of the graphene membrane; (b) SEM image of the graphene membrane; (c) the magnification of (b) to show nanoparticles.
    Optical reflected-interference spectrum of the F-P resonator.
    Schematic of the experimental setup. PC, polarization controller; EOM, electro-optical modulator; EDFA, erbium-doped fiber amplifier; VNA, vector network analyzer; PD, photodetector.
    (a) Resonance frequency spectrum of graphene mechanical resonator; (b) magnetic-field response in the ascending and descending processes. The inset in (b) shows the average value and error bar.
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    Hongqian Cao, Zengyong Liu, Danran Li, Zhenda Lu, Ye Chen, Fei Xu. Optical fiber-based magnetically-tuned graphene mechanical resonator[J]. Chinese Optics Letters, 2023, 21(1): 010601

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    Paper Information

    Category: Fiber Optics and Optical Communications

    Received: Mar. 17, 2022

    Accepted: Aug. 4, 2022

    Published Online: Aug. 30, 2022

    The Author Email: Ye Chen (yechen@nju.edu.cn), Fei Xu (feixu@nju.edu.cn)

    DOI:10.3788/COL202321.010601

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