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Generation of pulses with variable multi-GHz repetition rate in a SOA-based fiber laser with gain instability. / Ivanenko, A. V.; Smirnov, S. V.; Rybak, A. A. et al.

In: Optics Express, Vol. 33, No. 23, 10.11.2025, p. 48815-48823.

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@article{f3cdbde4d5644f919f9f40f7074459da,
title = "Generation of pulses with variable multi-GHz repetition rate in a SOA-based fiber laser with gain instability",
abstract = "We demonstrate what we believe to be a novel approach for tuning of the pulse repetition rate in a semiconductor optical amplifier (SOA)-based fiber laser by exploiting gain instability induced by self-sustained cross-gain modulation (XGM). By adjusting the relative delay in the negative feedback loop, stable high-contrast pulse trains are generated with repetition rates tunable from 1.85 GHz to 6.2 GHz and beyond, without the need for active modulation or saturable absorption. Experimental results agree well with theory, confirming the impact of feedback loop length difference on pulse dynamics. This simple, compact, and energy-efficient design shows promise for tunable high-repetition-rate pulsed sources in telecommunications, metrology, and sensing.",
author = "Ivanenko, {A. V.} and Smirnov, {S. V.} and Rybak, {A. A.} and N. Idyrysov and Bednyakova, {A. E.}",
note = "A. V. Ivanenko, S. V. Smirnov, A. A. Rybak, N. Idyrysov, and A. E. Bednyakova. Generation of pulses with variable multi-GHz repetition rate in a SOA-based fiber laser with gain instability. Opt. Express, 33, 48815-48823 (2025). https://doi.org/10.1364/OE.579031 Russian Science Foundation (24-12-00314, https://rscf.ru/en/project/24-12-00314/).",
year = "2025",
month = nov,
day = "10",
doi = "10.1364/oe.579031",
language = "English",
volume = "33",
pages = "48815--48823",
journal = "Optics Express",
issn = "1094-4087",
publisher = "The Optical Society",
number = "23",

}

RIS

TY - JOUR

T1 - Generation of pulses with variable multi-GHz repetition rate in a SOA-based fiber laser with gain instability

AU - Ivanenko, A. V.

AU - Smirnov, S. V.

AU - Rybak, A. A.

AU - Idyrysov, N.

AU - Bednyakova, A. E.

N1 - A. V. Ivanenko, S. V. Smirnov, A. A. Rybak, N. Idyrysov, and A. E. Bednyakova. Generation of pulses with variable multi-GHz repetition rate in a SOA-based fiber laser with gain instability. Opt. Express, 33, 48815-48823 (2025). https://doi.org/10.1364/OE.579031 Russian Science Foundation (24-12-00314, https://rscf.ru/en/project/24-12-00314/).

PY - 2025/11/10

Y1 - 2025/11/10

N2 - We demonstrate what we believe to be a novel approach for tuning of the pulse repetition rate in a semiconductor optical amplifier (SOA)-based fiber laser by exploiting gain instability induced by self-sustained cross-gain modulation (XGM). By adjusting the relative delay in the negative feedback loop, stable high-contrast pulse trains are generated with repetition rates tunable from 1.85 GHz to 6.2 GHz and beyond, without the need for active modulation or saturable absorption. Experimental results agree well with theory, confirming the impact of feedback loop length difference on pulse dynamics. This simple, compact, and energy-efficient design shows promise for tunable high-repetition-rate pulsed sources in telecommunications, metrology, and sensing.

AB - We demonstrate what we believe to be a novel approach for tuning of the pulse repetition rate in a semiconductor optical amplifier (SOA)-based fiber laser by exploiting gain instability induced by self-sustained cross-gain modulation (XGM). By adjusting the relative delay in the negative feedback loop, stable high-contrast pulse trains are generated with repetition rates tunable from 1.85 GHz to 6.2 GHz and beyond, without the need for active modulation or saturable absorption. Experimental results agree well with theory, confirming the impact of feedback loop length difference on pulse dynamics. This simple, compact, and energy-efficient design shows promise for tunable high-repetition-rate pulsed sources in telecommunications, metrology, and sensing.

UR - https://www.scopus.com/pages/publications/105023828432

UR - https://www.mendeley.com/catalogue/ac5a514a-7374-3944-b54a-0a75d583a7d2/

U2 - 10.1364/oe.579031

DO - 10.1364/oe.579031

M3 - Article

VL - 33

SP - 48815

EP - 48823

JO - Optics Express

JF - Optics Express

SN - 1094-4087

IS - 23

ER -

ID: 72577128