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Fiber laser with simultaneous multi-wavelength Er/Yb passively Q-switched and single wavelength Tm gain-switched operations

Photonics Research
  • jared alaniz baylon, Manuel Duran-Sanchez, Ricardo Alvarez Tamayo, Berenice Posada Ramirez, Miguel Bello JimĂ©nez, Baldemar Ibarra-Escamilla, Arturo Alberto. Castillo-Guzman, and Evgeny Kuzin
  • received 01/25/2019; accepted 03/12/2019; posted 03/14/2019; Doc. ID 358697
  • Abstract: We report the experimental investigation of an all-fiber multi-wavelength passively Q-switched Er/Yb laser with simultaneous gain-switched pulsed operation by using a thulium-doped fiber as saturable absorber. Laser emission is obtained at three wavelength regions with central peak at around 1546, 1561, and 1862 nm. Multi-wavelength emission with separation of approximately 1 nm is obtained around the wavelength regions of 1546 and 1561 nm. Stable laser pulses are generated in the pump power range from 3.6 to 7.3 W.
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