A. A. Krylov, A. V. Gladyshev, A. K. Senatorov, Yu. P. Yatsenko, A. N. Kolyadin, A. F. Kosolapov, M. M. Khudyakov, M. E. Likhachev, I. A. Bufetov<\/p>\n
Fiber Optics Research Center of the Russian Academy of Sciences, Moscow<\/p>\n
Abstract: We study SRS generation at a wavelength of 2.84 \u03bcm in a hollow-core revolver fibre filled with methane as a function of gas pressure as well as energy and duration of chirped pulses from an erbium-doped fibre source at 1.56 \u03bcm. It is shown that the threshold pump pulse energy decreases with increasing methane pressure, while an increase in the pulse width ensures more efficient conversion from 1.56 to 2.84 \u03bcm. A maximum pulse energy at 2.84 \u03bcm and corresponding quantum conversion efficiency are 1.6 \u03bcJ and 12%, respectively. A possibility of conversion efficiency enhancement is demonstrated numerically up to a 50% level under single-mode pumping at a pulse energy up to 100 \u03bcJ. It is found numerically that the main process limiting SRS conversion efficiency over the domain of investigated parameters is coherent four-wave mixing.
\nKeywords: stimulated Raman scattering, chirped pulse, gas fibre laser, mid-IR range, hollow-core fibre, erbium-doped fibre amplifier.<\/p>\n
Received: 25.05.2022<\/p>\n","protected":false},"excerpt":{"rendered":"
A. A. Krylov, A. V. Gladyshev, A. K. Senatorov, Yu. P. Yatsenko, A. N. Kolyadin, A. F. Kosolapov, M. M. Khudyakov, M. E. Likhachev, I. A. Bufetov Fiber Optics Research Center of the Russian Academy of Sciences, Moscow Abstract: We study SRS generation at a wavelength of 2.84 \u03bcm in a hollow-core revolver fibre filled\u2026 Read More »<\/a><\/span><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[2965,2964,2963,26,27,28,30,31,34],"class_list":["post-7721","post","type-post","status-publish","format-standard","hentry","category-stats","tag-m-e-likhachev","tag-m-m-khudyakov","tag-yu-p-yatsenko","tag-a-a-krylov","tag-a-v-gladyshev","tag-a-k-senatorov","tag-a-n-kolyadin","tag-a-f-kosolapov","tag-i-a-bufetov"],"_links":{"self":[{"href":"https:\/\/quantum-electronics.ru\/en\/wp-json\/wp\/v2\/posts\/7721","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/quantum-electronics.ru\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/quantum-electronics.ru\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/quantum-electronics.ru\/en\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/quantum-electronics.ru\/en\/wp-json\/wp\/v2\/comments?post=7721"}],"version-history":[{"count":0,"href":"https:\/\/quantum-electronics.ru\/en\/wp-json\/wp\/v2\/posts\/7721\/revisions"}],"wp:attachment":[{"href":"https:\/\/quantum-electronics.ru\/en\/wp-json\/wp\/v2\/media?parent=7721"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/quantum-electronics.ru\/en\/wp-json\/wp\/v2\/categories?post=7721"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/quantum-electronics.ru\/en\/wp-json\/wp\/v2\/tags?post=7721"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}