Single-longitudinal-mode linear-cavity fiber laser using multiple subring-cavities

S. K. Liaw, S. Wang, C. S. Shin, N. K. Chen, K. C. Hsu, A. Manshina, Y. Tver'Yanovich, C. F. Su, L. K. Wang

Research output: Contribution to journalJournal Article peer-review

14 Scopus citations

Abstract

A single-longitudinal-mode selection is realized in a linear-cavity fiber laser construction using a loop-back optical circulator and a partial reflectance fiber Bragg grating as the cavity ends. At 1551 nm wavelength, the measured signal-to-noise-ratio is 56 dB and with a line width less than 1 MHz obtained using multiple subring cavities as mode filters. The pumping efficiency is 10% improved by recycling the residual pump power to gain medium.

Original languageEnglish
Pages (from-to)1608-1611
Number of pages4
JournalLaser Physics
Volume20
Issue number7
DOIs
StatePublished - 07 2010
Externally publishedYes

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