Selective excitation and amplification of peak-power-scalable out-of-phase supermode in Yb-doped multicore fiber

AV Andrianov, NA Kalinin, EA Anashkina… - Journal of Lightwave …, 2020 - opg.optica.org
We demonstrate selective excitation and coherent amplification in the multicore fiber of the
out-of-phase supermode that has equal intensities but interleaved 0/π phases in the …

Coherent propagation of laser beams in a small-sized system of weakly coupled optical light guides

AA Balakin, SA Skobelev, EA Anashkina, AV Andrianov… - Physical Review A, 2018 - APS
The features of the self-action of a wave field in a small-sized optical system consisting of 2
N identical light guides, which are disposed equidistantly along a ring, and an isolated fiber …

High-energy femtosecond pulse shaping, compression, and contrast enhancement using multicore fiber

AV Andrianov, NA Kalinin, MY Koptev, ON Egorova… - Optics Letters, 2019 - opg.optica.org
Nonlinear spatiotemporal dynamics of femtosecond pulses in a hexagonal seven-core silica
fiber pumped by a sub-μJ 370 fs Er: fiber chirped pulse amplification (CPA) system were …

Three-dimensional charged Einstein-aether black holes and the Smarr formula

C Ding, C Liu, A Wang, J Jing - Physical Review D, 2016 - APS
We investigate behaviors of the three-dimensional gravity coupled to a dynamical unit
timelike vector, the aether, and present two new classes of exact charged solutions. When c …

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 …

Self-compression of spatially limited laser pulses in a system of coupled light-guides

AA Balakin, AG Litvak, VA Mironov, SA Skobelev - Laser Physics, 2018 - iopscience.iop.org
The self-action features of wave packets propagating in a 2D system of equidistantly
arranged fibers are studied analytically and numerically on the basis of the discrete …

Stability of out-of-phase solitons and laser pulse self-compression in active multicore fibers

AA Balakin, AG Litvak, SA Skobelev - Physical Review A, 2019 - APS
An out-of-phase soliton distribution of the wave field is found for a multicore fiber (MCF) from
an even number of cores located in a ring. Its stability is proved with respect both to small …

Multicore-fiber solitons and laser-pulse self-compression at light-bullet excitation in the central core of multicore fibers

AA Balakin, AG Litvak, SA Skobelev - Physical Review A, 2019 - APS
The propagation of laser pulses in multicore fibers (MCFs) made of a central core and an
even number of cores located in a ring around it is studied. Approximate quasisoliton …

Coherent propagation and amplification of intense wave beams in a deformed multicore fiber

AA Balakin, AG Litvak, SA Skobelev - Physical Review A, 2020 - APS
The transformation of the out-of-phase distribution of the wave field at a structural
deformation of a multicore fiber (MCF), including fiber bending and gain inhomogeneity in …

Coherent propagation and amplification of intense laser pulses in hexagonal multicore fibers

AA Balakin, SA Skobelev, AV Andrianov… - Optics Letters, 2020 - opg.optica.org
Propagation and amplification of intense coherent laser pulses in a multicore fiber of 24
weakly coupled cores arranged in the form of seven close-packed hexagons were studied …