Linear-cavity fiber laser using subring-cavity incorporated saturable absorber for single-frequency operation |
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| Authors: | S. K. Liaw S. Wang C. S. Shin Y. L. Yu N. K. Chen K. C. Hsu A. Manshina Y. Tver’yanovich |
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| Affiliation: | 1.Department of Electronic Engineering,National Taiwan University of Science and Technology,Taipei,Taiwan;2.Department of Mechanical Engineering,National Taiwan University,Taipei,Taiwan;3.Department of Electro-Optical Engineering,National United University,Miaoli,Taiwan;4.Department of Optics and Photonics,National Central University,Jhung-Li,Taiwan;5.Laser Research Institute,St. Petersburg State University,St. Petersburg,Russia |
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| Abstract: | By using a subring cavity incorporated with a saturable absorber, a stable single-frequency selection is realized in a linear-cavity fiber laser, which is constructed using a broadband fiber mirror and a partial reflectance fiber Bragg grating as the cavity ends. At 1550.33 nm, the laser has an optical signal-to-noise-ratio of >53.28 dB and with linewidth less than 1 MHz. The pumping efficiency is 25% improved by recycling the residual pump power to gain medium. The power stability and wavelength stability have also been studied. |
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