Geodesic
Simulation of broadening the second harmonic spectrum in KDP by chirp pulse pumping
Žurnal Sibirskogo federalʹnogo universiteta. Matematika i fizika, Tome 14 (2021) no. 2, pp. 144-149

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The conditions of broadening the second harmonic spectrum in KDP upon pumping by a negatively chirped pulse of fundamental frequency with central wavelength of 950 nm are analyzed numerically. It is shown that broadening of the spectrum (K = 1.4) is mainly limited by difference in group velocities of radiation pulse between first and second harmonics. The article is based on materials of the report at the first All-Russian scientific conference with international participation "YENISEI PHOTONICS – 2020".
Keywords: femtosecond laser pulse, second harmonic, spectrum, efficiency, pulse duration. 
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     author = {Sergey V. Alekseev and Valery F. Losev and Yakov V. Grudtsyn and Andrey V. Koribut and Vyacheslav A. Trofimov},
     title = {Simulation of broadening the second harmonic spectrum in {KDP} by chirp pulse pumping},
     journal = {\v{Z}urnal Sibirskogo federalʹnogo universiteta. Matematika i fizika},
     pages = {144--149},
     publisher = {mathdoc},
     volume = {14},
     number = {2},
     year = {2021},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/JSFU_2021_14_2_a1/}
}
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Sergey V. Alekseev; Valery F. Losev; Yakov V. Grudtsyn; Andrey V. Koribut; Vyacheslav A. Trofimov. Simulation of broadening the second harmonic spectrum in KDP by chirp pulse pumping. Žurnal Sibirskogo federalʹnogo universiteta. Matematika i fizika, Tome 14 (2021) no. 2, pp. 144-149. http://geodesic.mathdoc.fr/item/JSFU_2021_14_2_a1/