Er-doped all-fiber laser mode-locked by graphitic carbon nitride nanosheets

Zikai Dong; Runqin Xu; Wenhai Zhang; Heyang Guoyu; Lingling Hua; Jinrong Tian; Yanrong Song

doi:10.3788/COL201816.081402

Journals >Chinese Optics Letters >Volume 16 >Issue 8 >Page 081402 > Article

Chinese Optics Letters
Vol. 16, Issue 8, 081402 (2018)

Er-doped all-fiber laser mode-locked by graphitic carbon nitride nanosheets

Zikai Dong¹, Runqin Xu¹, Wenhai Zhang², Heyang Guoyu¹, Lingling Hua¹, Jinrong Tian¹, and Yanrong Song^1、*

Author Affiliations

¹College of Applied Sciences, Beijing University of Technology, Beijing 100124, China

²Beijing Key Laboratory for Green Catalysis and Separation, College of Environmental and Energy Engineering, Beijing University of Technology, Beijing 100124, China

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DOI: 10.3788/COL201816.081402 Cite this Article Set citation alerts

Zikai Dong, Runqin Xu, Wenhai Zhang, Heyang Guoyu, Lingling Hua, Jinrong Tian, Yanrong Song. Er-doped all-fiber laser mode-locked by graphitic carbon nitride nanosheets[J]. Chinese Optics Letters, 2018, 16(8): 081402 Copy Citation Text

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Fig. 1. Photographs of (a) the synthesized g-C3N4 powder, (b) 0.1 mg/mL g-C3N4 solution, and (c) the final g-C3N4/PVA hybrid film.

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(a) XRD pattern of g-C3N4 powder, (b) TEM photograph of g-C3N4 nanosheets, (c) AFM image of g-C3N4 nanosheets, (d) SEM image of the cross section of the g-C3N4/PVA hybrid film.

Fig. 2. (a) XRD pattern of g-C3N4 powder, (b) TEM photograph of g-C3N4 nanosheets, (c) AFM image of g-C3N4 nanosheets, (d) SEM image of the cross section of the g-C3N4/PVA hybrid film.

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Fig. 3. Nonlinear transmission of the g-C3N4/PVA-SA.

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Fig. 4. Experimental setup of Er-doped mode-locked fiber laser with the g-C3N4/PVA SA using the sandwich structure.

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Fig. 5. Characteristics of the mode-locked fiber laser using a g-C3N4/PVA SA. (a) Output pulse train, time-domain pulse profile inserted. (b) RF output spectrum, RF spectrum in 20 GHz span inserted. (c) Typical optical spectrum. (d) Output power varies with the pump power.

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