Self-balanced Q- and gain-switched erbium all-fiber laser

Tzong Yow Tsai, Hao Hsiang Ma, Yen Cheng Fang, Hong Xi Tsao, Shih Ting Lin

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We demonstrate a 980-nm CW-pumped fully passive pulsed all-Er 3 all-fiber laser, self-balancing between being Q- and gain-switched at S and L bands. The laser was passively Q-switched at 1510 nm with the saturable absorber in an intra-cavity gain-switched at 1570 nm. The time spacing between the Q- and gain-switched pulse peaks was steadily 0.92 or 2.75 s depending on the absorber lengths. Sequential 1510-nm pulsing with a pulse energy of 3.8 J and a pulse width of 280 ns at a repetition rate of 1.7 kHz was achieved with a pump power of 175 mW.

Original languageEnglish
Article number032155
JournalAIP Advances
Issue number3
Publication statusPublished - 2011 Oct 11

All Science Journal Classification (ASJC) codes

  • Physics and Astronomy(all)

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    Tsai, T. Y., Ma, H. H., Fang, Y. C., Tsao, H. X., & Lin, S. T. (2011). Self-balanced Q- and gain-switched erbium all-fiber laser. AIP Advances, 1(3), [032155].