Raman oscillation on a new vibrational mode setup in phosphosilicate binary glass systems

Yahua Li*, Brian Ashton, Stuart D. Jackson

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

7 Citations (Scopus)

Abstract

We demonstrate Raman oscillation at a wavelength of 1158 nm using a new vibrational mode in a phosphosilicate-glass system when pumped at a 1060-nm wavelength. The lower energy P-O vibration located at 640 cm-1 associated with pure phosphate glass system is comparatively weaker and is shifted to higher energy at 800 cm in the phosphosilicate binary glass. Despite the relative weakness of this vibrational mode, we obtained an efficient Raman fiber laser with the use of fiber Bragg gratings used to select laser oscillation using this mode. The measured slope efficiency with respect to the launched pump power was 60.4% and a maximum laser power of 1.8 W was produced.

Original languageEnglish
Pages (from-to)1172-1177
Number of pages6
JournalOptics Express
Volume13
Issue number4
DOIs
Publication statusPublished - 2005
Externally publishedYes

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