Towards ten-watt-level 3-5 μm Raman lasers using tellurite fiber

Gongwen Zhu, Lixiang Geng, Xiushan Zhu, Li Li, Qian Chen, Robert A Norwood, T. Manzur, Nasser N Peyghambarian

Research output: Contribution to journalArticle

28 Citations (Scopus)

Abstract

Raman lasers based on mid-infrared fibers operating at 3-5 μm atmospheric transparency window are attractive sources for several applications. Compared to fluoride and chalcogenide fibers, tellurite fibers are more advantageous for high power Raman fiber laser sources at 3-5 μm because of their broader Raman gain bandwidth, much larger Raman shift and better physical and chemical properties. Here we report on our simulations for the development of 10-watt-level 3-5 μm Raman lasers using tellurite fibers as the nonlinear gain medium and readily available continuous-wave (cw) and Q-switched erbium-doped fluoride fiber lasers at 2.8 μm as the pump sources. Our results show that a watt-level or even tenwatt-level fiber laser source in the 3-5 μm atmospheric transparency window can be achieved by utilizing the 1st-and 2nd-order Raman scattering in the tellurite fiber. The presented numerical study provides valuable guidance for future 3-5 um Raman fiber laser development.

Original languageEnglish (US)
Pages (from-to)7559-7573
Number of pages15
JournalOptics Express
Volume23
Issue number6
DOIs
StatePublished - Mar 23 2015

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Raman lasers
fiber lasers
fibers
atmospheric windows
fluorides
chemical properties
erbium
continuous radiation
physical properties
Raman spectra
pumps
bandwidth
shift
simulation

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics

Cite this

Towards ten-watt-level 3-5 μm Raman lasers using tellurite fiber. / Zhu, Gongwen; Geng, Lixiang; Zhu, Xiushan; Li, Li; Chen, Qian; Norwood, Robert A; Manzur, T.; Peyghambarian, Nasser N.

In: Optics Express, Vol. 23, No. 6, 23.03.2015, p. 7559-7573.

Research output: Contribution to journalArticle

Zhu, Gongwen ; Geng, Lixiang ; Zhu, Xiushan ; Li, Li ; Chen, Qian ; Norwood, Robert A ; Manzur, T. ; Peyghambarian, Nasser N. / Towards ten-watt-level 3-5 μm Raman lasers using tellurite fiber. In: Optics Express. 2015 ; Vol. 23, No. 6. pp. 7559-7573.
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