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Time-resolved mode analysis in Er-doped self-sweeping ring fiber laser. / Poddubrovskii, N. R.; Lobach, I. A.; Podivilov, E. V. и др.

в: Laser Physics Letters, Том 19, № 12, 125102, 12.2022.

Результаты исследований: Научные публикации в периодических изданияхстатьяРецензирование

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Poddubrovskii NR, Lobach IA, Podivilov EV, Kablukov SI. Time-resolved mode analysis in Er-doped self-sweeping ring fiber laser. Laser Physics Letters. 2022 дек.;19(12):125102. doi: 10.1088/1612-202X/ac9ce1

Author

Poddubrovskii, N. R. ; Lobach, I. A. ; Podivilov, E. V. и др. / Time-resolved mode analysis in Er-doped self-sweeping ring fiber laser. в: Laser Physics Letters. 2022 ; Том 19, № 12.

BibTeX

@article{b607619fce5a462d93f64fda10c92818,
title = "Time-resolved mode analysis in Er-doped self-sweeping ring fiber laser",
abstract = "We present here a detailed study of the mode composition of an Er-doped ring self-sweeping fiber laser. Time-resolved heterodyne measurements prove that the radiation consists of slightly overlapping rectangular mode packets, each of which corresponds to generation of individual longitudinal modes. Optical frequency of each following packet sequentially increases by two free spectral ranges of the laser cavity. The presence of parametric processes during sequential growth of the neighboring mode packets is experimentally demonstrated for the first time in a self-sweeping laser. Instantaneous linewidth of the laser radiation does not exceed 4 kHz during every step of single longitudinal mode generation, which is also accompanied by a small change of the optical frequency (chirp) of ∼40 kHz associated with an integral change of the laser cavity refractive index. The results are useful for calculations and modeling of laser systems based on dynamic gratings.",
keywords = "Er-doped laser, fiber lasers, four-wave mixing, frequency chirp, parametric process, self-sweeping",
author = "Poddubrovskii, {N. R.} and Lobach, {I. A.} and Podivilov, {E. V.} and Kablukov, {S. I.}",
note = "Funding Information: The work is supported by Russian Science Foundation (Grant No. 18-12-00243, https://rscf.ru/project/18-12-00243/ ). We thank the multiple-access center {\textquoteleft}High-resolution spectroscopy of gases and condensed matters{\textquoteright} at IAE SB RAS for the use of their equipment. Publisher Copyright: {\textcopyright} 2022 Astro Ltd.",
year = "2022",
month = dec,
doi = "10.1088/1612-202X/ac9ce1",
language = "English",
volume = "19",
journal = "Laser Physics Letters",
issn = "1612-2011",
publisher = "IOP Publishing Ltd.",
number = "12",

}

RIS

TY - JOUR

T1 - Time-resolved mode analysis in Er-doped self-sweeping ring fiber laser

AU - Poddubrovskii, N. R.

AU - Lobach, I. A.

AU - Podivilov, E. V.

AU - Kablukov, S. I.

N1 - Funding Information: The work is supported by Russian Science Foundation (Grant No. 18-12-00243, https://rscf.ru/project/18-12-00243/ ). We thank the multiple-access center ‘High-resolution spectroscopy of gases and condensed matters’ at IAE SB RAS for the use of their equipment. Publisher Copyright: © 2022 Astro Ltd.

PY - 2022/12

Y1 - 2022/12

N2 - We present here a detailed study of the mode composition of an Er-doped ring self-sweeping fiber laser. Time-resolved heterodyne measurements prove that the radiation consists of slightly overlapping rectangular mode packets, each of which corresponds to generation of individual longitudinal modes. Optical frequency of each following packet sequentially increases by two free spectral ranges of the laser cavity. The presence of parametric processes during sequential growth of the neighboring mode packets is experimentally demonstrated for the first time in a self-sweeping laser. Instantaneous linewidth of the laser radiation does not exceed 4 kHz during every step of single longitudinal mode generation, which is also accompanied by a small change of the optical frequency (chirp) of ∼40 kHz associated with an integral change of the laser cavity refractive index. The results are useful for calculations and modeling of laser systems based on dynamic gratings.

AB - We present here a detailed study of the mode composition of an Er-doped ring self-sweeping fiber laser. Time-resolved heterodyne measurements prove that the radiation consists of slightly overlapping rectangular mode packets, each of which corresponds to generation of individual longitudinal modes. Optical frequency of each following packet sequentially increases by two free spectral ranges of the laser cavity. The presence of parametric processes during sequential growth of the neighboring mode packets is experimentally demonstrated for the first time in a self-sweeping laser. Instantaneous linewidth of the laser radiation does not exceed 4 kHz during every step of single longitudinal mode generation, which is also accompanied by a small change of the optical frequency (chirp) of ∼40 kHz associated with an integral change of the laser cavity refractive index. The results are useful for calculations and modeling of laser systems based on dynamic gratings.

KW - Er-doped laser

KW - fiber lasers

KW - four-wave mixing

KW - frequency chirp

KW - parametric process

KW - self-sweeping

UR - http://www.scopus.com/inward/record.url?scp=85142002771&partnerID=8YFLogxK

UR - https://www.mendeley.com/catalogue/602220f6-4d4e-36dd-a006-6fdb0eb3d61c/

U2 - 10.1088/1612-202X/ac9ce1

DO - 10.1088/1612-202X/ac9ce1

M3 - Article

AN - SCOPUS:85142002771

VL - 19

JO - Laser Physics Letters

JF - Laser Physics Letters

SN - 1612-2011

IS - 12

M1 - 125102

ER -

ID: 39520897