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Low-noise octave-spanning mid-infrared supercontinuum generation in a multimode chalcogenide fiber

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Low-noise octave-spanning mid-infrared supercontinuum generation in a multimode chalcogenide fiber. / Eslami, Zahra; Ryczkowski, Piotr; Salmela, Lauri; Genty, Goëry.

In: Optics Letters, Vol. 45, No. 11, 01.06.2020, p. 3103-3106.

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@article{76e345f81e754df69d1d744992a96553,
title = "Low-noise octave-spanning mid-infrared supercontinuum generation in a multimode chalcogenide fiber",
abstract = "We demonstrate the generation of a low-noise, octave-spanning mid-infrared supercontinuum from 1700 to 4800 nm by injecting femtosecond pulses into the normal dispersion regime of a multimode step-index chalcogenide fiber with 100 µm core diameter. We conduct a systematic study of the intensity noise across the supercontinuum spectrum and show that the initial fluctuations of the pump laser are at most amplified by a factor of three. We also perform a comparison with the noise characteristics of an octave-spanning supercontinuum generated in the anomalous dispersion regime of a multimode fluoride fiber with similar core size and show that the normal dispersion supercontinuum in the multimode chalcogenide fiber has superior noise characteristics. Our results open up novel perspectives for many practical applications such as long-distance remote sensing where high power and low noise are paramount.",
author = "Zahra Eslami and Piotr Ryczkowski and Lauri Salmela and Go{\"e}ry Genty",
year = "2020",
month = "6",
day = "1",
doi = "10.1364/OL.392282",
language = "English",
volume = "45",
pages = "3103--3106",
journal = "Optics Letters",
issn = "0146-9592",
publisher = "OPTICAL SOC AMER",
number = "11",

}

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TY - JOUR

T1 - Low-noise octave-spanning mid-infrared supercontinuum generation in a multimode chalcogenide fiber

AU - Eslami, Zahra

AU - Ryczkowski, Piotr

AU - Salmela, Lauri

AU - Genty, Goëry

PY - 2020/6/1

Y1 - 2020/6/1

N2 - We demonstrate the generation of a low-noise, octave-spanning mid-infrared supercontinuum from 1700 to 4800 nm by injecting femtosecond pulses into the normal dispersion regime of a multimode step-index chalcogenide fiber with 100 µm core diameter. We conduct a systematic study of the intensity noise across the supercontinuum spectrum and show that the initial fluctuations of the pump laser are at most amplified by a factor of three. We also perform a comparison with the noise characteristics of an octave-spanning supercontinuum generated in the anomalous dispersion regime of a multimode fluoride fiber with similar core size and show that the normal dispersion supercontinuum in the multimode chalcogenide fiber has superior noise characteristics. Our results open up novel perspectives for many practical applications such as long-distance remote sensing where high power and low noise are paramount.

AB - We demonstrate the generation of a low-noise, octave-spanning mid-infrared supercontinuum from 1700 to 4800 nm by injecting femtosecond pulses into the normal dispersion regime of a multimode step-index chalcogenide fiber with 100 µm core diameter. We conduct a systematic study of the intensity noise across the supercontinuum spectrum and show that the initial fluctuations of the pump laser are at most amplified by a factor of three. We also perform a comparison with the noise characteristics of an octave-spanning supercontinuum generated in the anomalous dispersion regime of a multimode fluoride fiber with similar core size and show that the normal dispersion supercontinuum in the multimode chalcogenide fiber has superior noise characteristics. Our results open up novel perspectives for many practical applications such as long-distance remote sensing where high power and low noise are paramount.

U2 - 10.1364/OL.392282

DO - 10.1364/OL.392282

M3 - Article

VL - 45

SP - 3103

EP - 3106

JO - Optics Letters

JF - Optics Letters

SN - 0146-9592

IS - 11

ER -