Broadband and Coherent Supercontinuum Generation in All-Normal-Dispersion Double-Clad Ge-As-Se-Te Fiber Taper

Yingying Wang; Nan Zhang; Peiqing Zhang; Xunsi Wang; Shixun Dai

doi:10.3788/CJL202249.0101010

Journals >Chinese Journal of Lasers >Volume 49 >Issue 1 >Page 0101010 > Article

Chinese Journal of Lasers
Vol. 49, Issue 1, 0101010 (2022)

Broadband and Coherent Supercontinuum Generation in All-Normal-Dispersion Double-Clad Ge-As-Se-Te Fiber Taper

Yingying Wang¹, Nan Zhang², Peiqing Zhang^{1、3、4、5}, Xunsi Wang^{1、3、4、5}, and Shixun Dai^{1、3、4、5、*}

Author Affiliations

¹Laboratory of Infrared Material and Devices, The Research Institute of Advanced Technologies, Ningbo University, Ningbo, Zhejiang 315211, China

²College of Electronic Science and Engineering, Nanjing University, Nanjing, Jiangsu 210093, China

³Key Laboratory of Photoelectric Materials and Devices of Zhejiang Province, Ningbo, Zhejiang 315211, China

⁴Engineering Research Center for Advanced Infrared Photoelectric Materials and Devices of Zhejiang Provinces, Ningbo, Zhejiang 315211, China

⁵International Science & Technology Cooperation Base of Infrared Materials and Devices of Zhejiang Provinces, Ningbo, Zhejiang 315211, China

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DOI: 10.3788/CJL202249.0101010 Cite this Article Set citation alerts

Yingying Wang, Nan Zhang, Peiqing Zhang, Xunsi Wang, Shixun Dai. Broadband and Coherent Supercontinuum Generation in All-Normal-Dispersion Double-Clad Ge-As-Se-Te Fiber Taper[J]. Chinese Journal of Lasers, 2022, 49(1): 0101010 Copy Citation Text

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$Refractive indices of glass hosts and fiber transmission loss. (a) Refractive indices of fiber core, inner cladding glass, and outer cladding glass; (b) loss of single-clad and double clad fibers$

Fig. 1. Refractive indices of glass hosts and fiber transmission loss. (a) Refractive indices of fiber core, inner cladding glass, and outer cladding glass; (b) loss of single-clad and double clad fibers

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$Structure and refractive index profile of double-clad chalcogenide fiber taper. (a) Schematic of double-clad chalcogenide fiber taper; (b) cross-section and refractive index profile of double-clad chalcogenide fiber$

Fig. 2. Structure and refractive index profile of double-clad chalcogenide fiber taper. (a) Schematic of double-clad chalcogenide fiber taper; (b) cross-section and refractive index profile of double-clad chalcogenide fiber

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Fig. 3. Fundamental mode dispersion characteristic curves of double-clad (solid) and single-clad (dashed) fiber tapers

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Fig. 4. SC spectra generated from double-clad (dashed) and single-clad (solid) fiber tapers pumped by ultrashort laser pulses with different wavelengths. (a) 4 μm; (b) 5 μm; (c) 6 μm

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Fig. 5. SC spectra generated from double-clad fiber tapers with different transition region lengths

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Fig. 6. Simulated SC spectrum and its coherence property curve in double-clad fiber taper