Erbium-doped fiber ring cavity pulsed laser based on graphene saturable absorber

Dejun, 冯德军 Feng; Wenyu, 黄文育 Huang; Peng-yu, 纪鹏宇 Ji; Shouzhen, 姜守振 Jiang; Qingmei, 隋青美 Sui

doi:10.3788/ope.20132105.1097

光学精密工程

2013

DOI: 10.3788/ope.20132105.1097

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Erbium-doped fiber ring cavity pulsed laser based on graphene saturable absorber

冯德军 Feng Dejun¹,

黄文育 Huang Wenyu²,

纪鹏宇 Ji Peng-yu³

et al.

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“…The surface of the D-shaped optical fiber is coated with a layer of metal, such as An or Ag, by magnetron sputtering at room temperature. The graphene film fabricated by chemical vapor deposition (CVD) is transferred onto the metal surface using the wet chemical method [16] to finally achieve the metal-graphene structure.…”

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D-shaped f iber optic SPR biosensors based on a metal-graphene structure

et al. 2013

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We design a D-shaped fiber optic biosensor based on the surface plasmon resonance (SPR) of a metalgraphene layer and simulate this SPR using the finite element method. Using a metal-graphene layer as the sensing material, surface plasma resonance is simulated as the refractive index of the external environment ranges from 1.33 to 1.36. Simulation results show that a metal-graphene layer attached to the D-shaped optical fiber core can couple with light under a specific polarization state and excite strong plasma oscillations on the layer surface. Calculated transmission coefficients show that the resonance wavelength obviously moves toward longer wavelengths as the refractive index of the test medium increases, and a sensitivity of 5400 nm/RIU is obtained. Because of its large surface volume ratio and good biocompatibility, graphene may be utilized in many applications in the field of biosensing.

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D-shaped f iber optic SPR biosensors based on a metal-graphene structure

et al. 2013

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Erbium-doped fiber ring cavity pulsed laser based on graphene saturable absorber

Cited by 1 publication

References 0 publications

D-shaped f iber optic SPR biosensors based on a metal-graphene structure

D-shaped f iber optic SPR biosensors based on a metal-graphene structure

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