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<p>We propose a single material photonic crystal fiber (SM-PCF) for mid-infrared supercontinuum generation&#xa0;(MISG) using pure quartic soliton (PQS) for the first time. We have designed a SM-PCF considering fabrication tolerances, displaying a negative fourth-order dispersion of − 0.0028 ps<sup>4</sup>km<sup>−1</sup> that meet requirements of PQS formation. Our presented SM-PCF facilitates the generation of PQS for 72&#xa0;fs input pulse and 0.01664 W peak power at 2375&#xa0;nm. The nonlinearity is obtained as high as 6250&#xa0;W<sup>−1</sup>&#xa0;km<sup>−1</sup>. Furthermore, we explore PQS based MISG (the spectrum spans from 1985 to 2990&#xa0;nm) through 10&#xa0;m long proposed fiber. Moreover, we analyze the impact of three different noises on the coherence of MISG. To the best of our knowledge, PQS based MISG has not yet been proposed which will offer promising potential in ultrafast laser science.</p>

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Mid-infrared supercontinuum generation using pure quartic soliton in single material photonic crystal fiber

  • 期刊论文

  • 发表日期：

    2025年3月10日

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  • Shah Md. Salimullah,
  • Mohammad Faisal

摘要

We propose a single material photonic crystal fiber (SM-PCF) for mid-infrared supercontinuum generation (MISG) using pure quartic soliton (PQS) for the first time. We have designed a SM-PCF considering fabrication tolerances, displaying a negative fourth-order dispersion of − 0.0028 ps4km−1 that meet requirements of PQS formation. Our presented SM-PCF facilitates the generation of PQS for 72 fs input pulse and 0.01664 W peak power at 2375 nm. The nonlinearity is obtained as high as 6250 W−1 km−1. Furthermore, we explore PQS based MISG (the spectrum spans from 1985 to 2990 nm) through 10 m long proposed fiber. Moreover, we analyze the impact of three different noises on the coherence of MISG. To the best of our knowledge, PQS based MISG has not yet been proposed which will offer promising potential in ultrafast laser science.