Post-compression of femtosecond laser pulses using self-phase modulation: from kilowatts to petawatts in 40 years

EA Khazanov - Quantum Electronics, 2022‏ - iopscience.iop.org
The pulse duration at the output of femtosecond lasers is usually close to the Fourier limit,
and can be shortened by increasing the spectral width. To this end, use is made of self …

Компрессия фемтосекундных лазерных импульсов с помощью фазовой самомодуляции: за 40 лет от киловатт до петаватт

ЕА Хазанов - Квантовая электроника, 2022‏ - mathnet.ru
Длительность импульса на выходе фемтосекундных лазеров обычно близка к фурье-
пределу, и для его укорочения необходимо увеличить ширину спектра. Для этого при …

Spectrum collapse in a 7-core Yb-doped fiber laser with an array of fs-inscribed fiber Bragg gratings

AG Kuznetsov, AA Wolf, ON Egorova, SL Semjonov… - Optics Letters, 2023‏ - opg.optica.org
Femtosecond inscription of fiber Bragg gratings (FBGs) in each core of a cladding-pumped
seven-core Yb-doped fiber enables efficient (≈ 70%) 1064-nm lasing in a robust all-fiber …

[HTML][HTML] Controlled excitation of supermodes in a multicore fiber with a 5× 5 square array of strongly coupled cores

NA Kalinin, EA Anashkina, ON Egorova, SG Zhuravlev… - Photonics, 2021‏ - mdpi.com
Coherent propagation of supermodes in a multicore fiber is promising for power scaling of
fiber laser systems, eliminating the need for the active feedback system to maintain the …

Numerical Modeling of Mid-IR Lasers Based on Tb-Doped Chalcogenide Multicore Fibers

NI Salnikov, AV Andrianov, EA Anashkina - Fibers, 2024‏ - mdpi.com
Mid-IR fiber lasers operating at wavelengths near 5 μm are of great interest for many
fundamental and industrial applications, but only a few experimental samples based on …

Ultrawide shifting of the laser pulse wavelength in a multicore tellurite fiber with two zero-dispersion wavelengths

SA Skobelev, AA Balakin, EA Anashkina, AV Andrianov… - Physical Review A, 2021‏ - APS
The generation of Raman solitons in the mid-IR range in a multicore fiber with two zero-
dispersion wavelengths is studied analytically and numerically. The estimate for the …

Out-of-phase solitons in multicore fibers of one-dimensional and square lattices of weakly coupled cores

SA Skobelev, AA Balakin, AG Litvak - Physical Review A, 2023‏ - APS
Approximate solitonlike out-of-phase spatiotemporal solutions for the wave field envelope in
multicore fibers with weakly coupled cores in configurations of a one-dimensional 1× N …

Numerical Simulation of High-Power Optical Amplifiers at 2.3 µm Based on a Special Multicore Fiber

EA Anashkina, AV Andrianov, AG Litvak - Photonics, 2023‏ - mdpi.com
The development of high-power laser sources at 2.3 µm is highly demanded for remote
sensing and other applications. However, this wavelength is poorly covered by present-day …

Stable few-cycle out-of-phase solitons in a rectangular multi-core fiber

AA Balakin, SA Skobelev, AG Litvak - Optics Letters, 2023‏ - opg.optica.org
Stable out-of-phase soliton-like distributions of the wave field with few-cycle durations are
found in fibers consisting of a rectangular lattice of weakly coupled cores. The stability of …

Ultra-broadband frequency shifting of laser pulses in a square multicore chalcogenide fiber

A Balakin, S Skobelev, A Andrianov, E Anashkina… - Optics Letters, 2024‏ - opg.optica.org
The process of Raman frequency shifting of out-of-phase laser pulses in fibers with a square
configuration of weakly coupled cores having two or more zero dispersion wavelengths has …