Fiber lasers based on dynamic population gratings in rare-earth-doped optical fibers

NR Poddubrovskii, RV Drobyshev, IA Lobach… - Photonics, 2022 - mdpi.com
Long dynamic population gratings (DPGs) formed in rare-earth-doped fibers have unique
spectral characteristics compared to other types of fiber gratings, making them suitable for …

Self-swept holmium fiber laser near 2100 nm

J Aubrecht, P Peterka, P Koška, O Podrazký… - Optics …, 2017 - opg.optica.org
Self-sweeping of laser wavelength corresponding to holmium emission near 2100 nm is
reported. The sweeping occurred in~ 4 nm interval with rate~ 0.7 nm/s from longer towards …

Broad-range self-sweeping single-frequency linearly polarized Tm-doped fiber laser

AE Budarnykh, AD Vladimirskaya, IA Lobach… - Optics letters, 2018 - opg.optica.org
We experimentally demonstrate a linearly polarized Tm-doped fiber laser with sweeping
range up to 26 nm in the region of 1.92 μm. The main feature of the laser is generation of …

Regular mode-hopping dynamics in Erbium-doped ring fiber laser with saturable absorber

NR Poddubrovskii, IA Lobach, SI Kablukov - Optics & Laser Technology, 2022 - Elsevier
We report on transition from single longitudinal mode operation to regular mode-hopping
dynamics in Erbium-doped ring fiber laser with a saturable absorber. The laser can be …

Self-swept erbium fiber laser around 1.56 μm

P Navratil, P Peterka, P Vojtisek, I Kasik… - Opto-Electronics …, 2018 - Elsevier
Self-swept erbium fiber laser emitting around 1.56 μm is reported in detail. Both sweep
directions were registered: pointing toward longer and shorter wavelengths, redshift and …

Single-frequency Bismuth-doped fiber laser with quasi-continuous self-sweeping

IA Lobach, SI Kablukov, MA Melkumov, VF Khopin… - Optics …, 2015 - opg.optica.org
Generation of regular pulses of linearly polarized radiation with periodic self-induced laser
line sweeping by~ 10 nm near central wavelength of~ 1460 nm has been demonstrated for …

Open-cavity fiber laser with distributed feedback based on externally or self-induced dynamic gratings

IA Lobach, RV Drobyshev, AA Fotiadi, EV Podivilov… - Optics letters, 2017 - opg.optica.org
Dynamic population inversion gratings induced in an active medium by counter-propagating
optical fields may have a reverse effect on writing laser radiation via feedback they provide …

High-resolution spectral analysis of long single-frequency pulses generated by a self-sweeping Yb-doped fiber laser

RV Drobyshev, NR Poddubrovskii, IA Lobach… - Laser Physics …, 2021 - iopscience.iop.org
Continuous wave self-sweeping operation is demonstrated in a classical ring cavity
configuration of Yb-doped fiber laser with a saturable absorber, which is usually used to …

Reflectivity of superimposed Bragg gratings induced by longitudinal mode instabilities in fiber lasers

P Peterka, P Koška, J Čtyroký - IEEE Journal of Selected Topics …, 2018 - ieeexplore.ieee.org
We report on reflectivity of transient Bragg gratings created in the active medium of a fiber
laser with longitudinal mode instability. Despite the long history of laser physics, reflectivities …

Coherent optical frequency-domain reflectometer based on a fibre laser with frequency self-scanning

AY Tkachenko, IA Lobach, SI Kablukov - Quantum Electronics, 2019 - iopscience.iop.org
The first results of an experimental study of a coherent optical frequency-domain
reflectometer (C-OFDR) based on a simple single-frequency fibre laser with frequency self …