Experimental investigation on the high-order modes in supercontinuum generation from step-index As–S fibers

Peng Chen; Zugang Xue; Youmei Tian; Zheming Zhao; Xunsi Wang; Zijun Liu; Peiqing Zhang; Shixun Dai; Qiuhua Nie; Rongping Wang

doi:10.1007/s00340-018-6991-0

Experimental investigation on the high-order modes in supercontinuum generation from step-index As–S fibers

Peng Chen, Zugang Xue, Youmei Tian, Zheming Zhao^*, Xunsi Wang, Zijun Liu, Peiqing Zhang, Shixun Dai, Qiuhua Nie, Rongping Wang

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

7 Citations (Scopus)

Abstract

Two kinds of step-index As–S fibers have been fabricated by an isolated extrusion method with a numerical aperture (NA) of 0.52, but with different core size of 10 or 50 µm. With a femtosecond laser pumping, their supercontinnum (SC) generation spectra were recorded in order to testify the effect of high-order modes on SC generation. The spectra spanning from 1.0 to 6.7 µm and from 1.5 to 8.6 µm can be obtained in a 16-cm-long fiber with 10 µm-core diameter pumping by central wavelength of 2.9 and 4.0 µm, respectively. The results show that high-order modes would deplete the spectra spanning in red-shifting part. The SC generation in small-core fiber is much more efficient than that in large-core fiber. This is the first comparative investigation on the SC generation from the quasi single- and multi-mode ChG fibers under the same conditions.

Original language	English
Article number	118
Journal	Applied Physics B: Lasers and Optics
Volume	124
Issue number	6
DOIs	https://doi.org/10.1007/s00340-018-6991-0
Publication status	Published - 1 Jun 2018

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title = "Experimental investigation on the high-order modes in supercontinuum generation from step-index As–S fibers",

abstract = "Two kinds of step-index As–S fibers have been fabricated by an isolated extrusion method with a numerical aperture (NA) of 0.52, but with different core size of 10 or 50 µm. With a femtosecond laser pumping, their supercontinnum (SC) generation spectra were recorded in order to testify the effect of high-order modes on SC generation. The spectra spanning from 1.0 to 6.7 µm and from 1.5 to 8.6 µm can be obtained in a 16-cm-long fiber with 10 µm-core diameter pumping by central wavelength of 2.9 and 4.0 µm, respectively. The results show that high-order modes would deplete the spectra spanning in red-shifting part. The SC generation in small-core fiber is much more efficient than that in large-core fiber. This is the first comparative investigation on the SC generation from the quasi single- and multi-mode ChG fibers under the same conditions.",

author = "Peng Chen and Zugang Xue and Youmei Tian and Zheming Zhao and Xunsi Wang and Zijun Liu and Peiqing Zhang and Shixun Dai and Qiuhua Nie and Rongping Wang",

note = "Publisher Copyright: {\textcopyright} 2018, Springer-Verlag GmbH Germany, part of Springer Nature.",

year = "2018",

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doi = "10.1007/s00340-018-6991-0",

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T1 - Experimental investigation on the high-order modes in supercontinuum generation from step-index As–S fibers

AU - Chen, Peng

AU - Xue, Zugang

AU - Tian, Youmei

AU - Zhao, Zheming

AU - Wang, Xunsi

AU - Liu, Zijun

AU - Zhang, Peiqing

AU - Dai, Shixun

AU - Nie, Qiuhua

AU - Wang, Rongping

PY - 2018/6/1

Y1 - 2018/6/1

N2 - Two kinds of step-index As–S fibers have been fabricated by an isolated extrusion method with a numerical aperture (NA) of 0.52, but with different core size of 10 or 50 µm. With a femtosecond laser pumping, their supercontinnum (SC) generation spectra were recorded in order to testify the effect of high-order modes on SC generation. The spectra spanning from 1.0 to 6.7 µm and from 1.5 to 8.6 µm can be obtained in a 16-cm-long fiber with 10 µm-core diameter pumping by central wavelength of 2.9 and 4.0 µm, respectively. The results show that high-order modes would deplete the spectra spanning in red-shifting part. The SC generation in small-core fiber is much more efficient than that in large-core fiber. This is the first comparative investigation on the SC generation from the quasi single- and multi-mode ChG fibers under the same conditions.

AB - Two kinds of step-index As–S fibers have been fabricated by an isolated extrusion method with a numerical aperture (NA) of 0.52, but with different core size of 10 or 50 µm. With a femtosecond laser pumping, their supercontinnum (SC) generation spectra were recorded in order to testify the effect of high-order modes on SC generation. The spectra spanning from 1.0 to 6.7 µm and from 1.5 to 8.6 µm can be obtained in a 16-cm-long fiber with 10 µm-core diameter pumping by central wavelength of 2.9 and 4.0 µm, respectively. The results show that high-order modes would deplete the spectra spanning in red-shifting part. The SC generation in small-core fiber is much more efficient than that in large-core fiber. This is the first comparative investigation on the SC generation from the quasi single- and multi-mode ChG fibers under the same conditions.

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DO - 10.1007/s00340-018-6991-0

M3 - Article

SN - 0946-2171

VL - 124

JO - Applied Physics B: Lasers and Optics

JF - Applied Physics B: Lasers and Optics

IS - 6

M1 - 118

ER -

Experimental investigation on the high-order modes in supercontinuum generation from step-index As–S fibers

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