Diode-pumped multimode raman fiber lasers

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Abstract

Raman fiber lasers (RFLs) represent an important class of fiber lasers with all benefits of fiber design, in which a passive fiber with pump-induced Raman gain is used as an active medium. Due to the broad Raman gain spectrum and efficient cascaded generation of higher Stokes orders, they may operate at almost any wavelength in transmission window (1-2 μm) of conventional silica fibers with an appropriate pumping [1]. Most of RFL schemes utilize single-mode fibers pumped into the core by another single-mode fiber laser such as Yb-doped fiber laser (YDFL) operating near 1 μm, which in its turn is cladding-pumped by multimode laser diodes (LDs) at 915 or 976 nm. Direct LD pumping is now one of the main challenges for RFL development. Two key opportunities have been explored recently: widely used telecom multimode graded-index fiber (GIF) or specially designed double-clad passive fibers which exhibit relatively good characteristics at weakly-multimode fiber laser pumping but degrade in efficiency at highly-multimode LD pumping, see [2] and citation therein.

Original languageEnglish
Title of host publication2019 Conference on Lasers and Electro-Optics Europe and European Quantum Electronics Conference, CLEO/Europe-EQEC 2019
PublisherInstitute of Electrical and Electronics Engineers Inc.
ISBN (Electronic)9781728104690
DOIs
Publication statusPublished - 1 Jun 2019
Event2019 Conference on Lasers and Electro-Optics Europe and European Quantum Electronics Conference, CLEO/Europe-EQEC 2019 - Munich, Germany
Duration: 23 Jun 201927 Jun 2019

Publication series

Name2019 Conference on Lasers and Electro-Optics Europe and European Quantum Electronics Conference, CLEO/Europe-EQEC 2019

Conference

Conference2019 Conference on Lasers and Electro-Optics Europe and European Quantum Electronics Conference, CLEO/Europe-EQEC 2019
CountryGermany
CityMunich
Period23.06.201927.06.2019

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