M. M. Khudyakov, V. V. Alekseev, D. S. Lipatov, A. N. Gur'yanov, V. Temyanko, M. M. Bubnov, M. E. Likhachev, “Optical fibre with an offset core for SBS suppression”, Kvantovaya Elektronika, 2021, Volume 51, Number 3,Pages <nobr>228

This article is cited in 1 paper

Fiber optics

Optical fibre with an offset core for SBS suppression

M. M. Khudyakov^ab, V. V. Alekseev^a, D. S. Lipatov^c, A. N. Gur'yanov^c, V. Temyanko^d, M. M. Bubnov^a, M. E. Likhachev^a

^a Fiber Optics Research Center of the Russian Academy of Sciences, Moscow
^b Moscow Institute of Physics and Technology, Dolgoprudny, Moscow Region
^c Institute of Chemistry of High-Purity Substances RAS, Nizhnii Novgorod
^d The University of Arizona, Wyant College of Optical Sciences, USA

Abstract: To raise the stimulated Brillouin scattering (SBS) threshold, we have fabricated an optical fibre having a core heavily doped with germanium oxide and displaced from the fibre axis. A method has been proposed for broadening the SBS gain spectrum of the fibre by winding it onto a small-diameter spool, and a broadening of the spectrum by 5.4 dB has been demonstrated, which indicates an increase in SBS threshold by 4.1 dB.

Keywords: SBS, optical fibre, offset core.

Received: 01.09.2020
Revised: 07.12.2020