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Journal of Semiconductors, Volume. 40, Issue 6, 062006(2019)

Broadband absorption of graphene from magnetic dipole resonances in hybrid nanostructure

Xiaowei Jiang1,2
Author Affiliations
  • 1College of Information Engineering, Quzhou College of Technology, Quzhou 32400, China
  • 2Laboratory of Opto-Electronics Technology, College of Electronic Information and Control Engineering, Beijing University of Technology, Beijing 100124, China
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    (Color online) The proposed hybrid nanostructure to broaden graphene absorption bandwidth.

    Fig. 1. (Color online) The proposed hybrid nanostructure to broaden graphene absorption bandwidth.

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    (Color online) The absorption spectra of monolayer graphene in the wavelength range from 0.8 to 1.8 μm under normal incidence. Structure parameters: P = 0.7 μm, s = 0.05 μm, h = 0.02 μm, d = 0.02 μm, hs = 0.1 μm.

    Fig. 2. (Color online) The absorption spectra of monolayer graphene in the wavelength range from 0.8 to 1.8 μm under normal incidence. Structure parameters: P = 0.7 μm, s = 0.05 μm, h = 0.02 μm, d = 0.02 μm, hs = 0.1 μm.

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    (Color online) Distribution of magnetic field at different resonance wavelengths on the xoz plane. Structure parameters: P = 0.7 μm, s = 0.05 μm, h = 0.02 μm, d = 0.02 μm, hs = 0.1 μm.

    Fig. 3. (Color online) Distribution of magnetic field at different resonance wavelengths on the xoz plane. Structure parameters: P = 0.7 μm, s = 0.05 μm, h = 0.02 μm, d = 0.02 μm, hs = 0.1 μm.

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    (Color online) Effect of grating width on absorption peaks. Structure parameters: P = 0.7 μm, s = 0.05 μm, h = 0.02 μm, d = 0.02 μm, hs = 0.1 μm.

    Fig. 4. (Color online) Effect of grating width on absorption peaks. Structure parameters: P = 0.7 μm, s = 0.05 μm, h = 0.02 μm, d = 0.02 μm, hs = 0.1 μm.

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    (Color online) Effect of SiO2 spacer thickness on absorption peaks. Structure parameters: P = 0.7 μm, s = 0.05 μm, h = 0.02 μm, hs = 0.1 μm, w1 = 0.14 μm, w2 = 0.16 μm, w3 = 0.18 μm.

    Fig. 5. (Color online) Effect of SiO2 spacer thickness on absorption peaks. Structure parameters: P = 0.7 μm, s = 0.05 μm, h = 0.02 μm, hs = 0.1 μm, w1 = 0.14 μm, w2 = 0.16 μm, w3 = 0.18 μm.

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    (Color online) Effect of grating spacing on absorption peaks. Structure parameters: P = 0.7 μm, d = 0.02 μm, h = 0.02 μm, hs = 0.1 μm, w1 = 0.14 μm, w2 = 0.16 μm, w3 = 0.18 μm.

    Fig. 6. (Color online) Effect of grating spacing on absorption peaks. Structure parameters: P = 0.7 μm, d = 0.02 μm, h = 0.02 μm, hs = 0.1 μm, w1 = 0.14 μm, w2 = 0.16 μm, w3 = 0.18 μm.

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    Xiaowei Jiang. Broadband absorption of graphene from magnetic dipole resonances in hybrid nanostructure[J]. Journal of Semiconductors, 2019, 40(6): 062006

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    Paper Information

    Category: Articles

    Received: Mar. 7, 2019

    Accepted: --

    Published Online: Sep. 18, 2021

    The Author Email:

    DOI:10.1088/1674-4926/40/6/062006

    Topics

    laser devices and laser physics
    Lasers and Laser Optics
    Laser physics
    laser manufacturing
    Instrumentation, Measurement and Metrology