Scientific Results

Nonlinear discrete wavefront shaping for spatiotemporal pulse compression with multicore fibers

Year: 2018

Authors: Chekhovskoy I. S., Rubenchik A. M., Shtyrina O. V., Sorokina M. A., Wabnitz S., Fedoruk M.P.

Autors Affiliation: Novosibirsk State University, Novosibirsk, 630090, Russian Federation; Institute of Computational Technologies SB RAS, Novosibirsk, 630090, Russian Federation; Lawrence Livermore National Laboratory, Livermore, CA 94550, United States; Aston Institute of Photonic Technologies, Aston University, Birmingham, B4 7ET, United Kingdom; Department of Information Engineering, University of Brescia, Brescia, 25123, Italy; National Institute of Optics INO-CNR, Brescia, 25123, Italy

Abstract: In this work, we apply an effective discrete phase front focusing method to control the coherent combining and temporal compression of laser pulses by means of nonlinear multicore fibers. We numerically demonstrate the possibility of combining almost entirely the input optical pulses injected in all cores, into the central core of a hexagonal lattice multicore fiber. We investigate the optimal operational conditions for the most effective pulse combining and analyze the influence of a positive input pulse temporal chirp and spatial phase modulation. We demonstrate that a pulse, which has been focused into an arbitrary core of the fiber, also undergoes temporal compression. (c) 2018 Optical Society of America

Journal/Review: JOURNAL OF THE OPTICAL SOCIETY OF AMERICA B: OPTICAL PHYSICS

Volume: 35 (9)      Pages from: 2169  to: 2175

More Information: U.S. Department of Energy, DOE. Ministry of Education and Science of the Russian Federation, Minobrnauka, Y26.31.0017. FA9550-14-1-0305. U.S. Department of Energy, DOE, DE-AC52-07NA27344. Lawrence Livermore National Laboratory, LLNL. – Funding. Ministry of Education and Science of the Russian Federation (Minobrnauka) (14.Y26.31.0017); European Office of Aerospace Research and Development (FA9550-14-1-0305); U.S. Department of Energy (DOE) (DE-AC52-07NA27344).
KeyWords: Optical lattices, Coherent combining; Hexagonal lattice; Multicore fiber; Operational conditions; Spatial phase modulation; Spatiotemporal pulse; Temporal compressions; Wave front shaping; Fibers
DOI: 10.1364/JOSAB.35.002169

Citations: 1
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