Self-balanced Q- and gain-switched erbium all-fiber laser
Source abstract
Abstract
We demonstrate a 980-nm CW-pumped fully passive pulsed all-Er3+ 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 μs depending on the absorber lengths. Sequential 1510-nm pulsing with a pulse energy of 3.8 μJ and a pulse width of 280 ns at a repetition rate of 1.7 kHz was achieved with a pump power of 175 mW.
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Research context
OpenAlex topics: Advanced Fiber Laser Technologies · Solid State Laser Technologies · Photonic Crystal and Fiber Optics
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Affiliations
National Cheng Kung University 1 Lasers and Photonics Laboratory, Institute of Microelectronics, Department of Electrical Engineering, , No. 1 University Rd., Tainan City, 70101, Taiwan
Industrial Technology Research Institute 2 , Tainan County, 734, Taiwan
Funding
National Science Council Taiwan
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