1.7 mu m band narrow-linewidth tunable Raman fiber lasers pumped by spectrum-sliced amplified spontaneous emission

Zhang Peng; Wu Di; Du Quanli; Li Xiaoyan; Han Kexuan; Zhang Lizhong; Wang Tianshu; Jiang Huilin

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1.7 mu m band narrow-linewidth tunable Raman fiber lasers pumped by spectrum-sliced amplified spontaneous emission

机译：1.7 MU M频段窄线宽可调拉曼光纤激光器通过频谱切片放大的自发发射泵浦

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A 1.7 mu m band tunable narrow-linewidth Raman fiber laser based on spectrally sliced amplified spontaneous emission (SS-ASE) and multiple filter structures is proposed and experimentally demonstrated. In this scheme, an SS-ASE source is employed as a pump source in order to avoid stimulated Brillouin scattering. The ring configuration includes a 500 m long high nonlinear optical fiber and a 10 km long dispersion shifted fiber as the gain medium. A segment of un-pumped polarization-maintaining erbium-doped fiber is used to modify the shape of the spectrum. Furthermore, a nonlinear polarization rotation scheme is applied as the wavelength selector to generate lasers. A high-finesse ring filter and a ring filter are used to narrow the linewidth of the laser, respectively. We demonstrate tuning capabilities of a single laser over 28 nm between 1652 nm and 1680 nm by adjusting the polarization controller (PC) and tunable filter. The tunable laser has a 0.023 nm effective linewidth with the high-finesse ring filter. The stable multi-wavelength laser operation of up to four wavelengths can be obtained by adjusting the PC carefully when the pump power increases. (C) 2017 Optical Society of America

机译：基于光谱切片的扩增自发发射（SS-ASE）和多个过滤器结构的1.7μM频带可调窄线宽拉曼光纤激光器和实验证明。在该方案中，使用SS-ASE源作为泵浦源，以避免刺激布里渊散射。环形构造包括500μm长的高非线性光纤和10km长的色散偏移光纤作为增益介质。使用未泵送的偏振铒掺杂光纤的一段用于修改光谱的形状。此外，非线性偏振旋转方案被施加为波长选择器以产生激光器。高型环形滤波器和环形滤波器分别用于缩小激光的线宽。通过调整偏振控制器（PC）和可调谐滤波器，我们展示了在1652nm和1680nm之间超过28nm和1680nm以上的单个激光器的调谐能力。可调谐激光器具有0.023nm的有效宽度，具有高型环形滤波器。通过在泵功率增加时仔细地调整PC，可以获得多达四个波长的稳定多波长激光操作。（c）2017年光学学会

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来源
《Applied optics》 |2017年第35期|共7页
作者
Zhang Peng; Wu Di; Du Quanli; Li Xiaoyan; Han Kexuan; Zhang Lizhong; Wang Tianshu; Jiang Huilin;
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作者单位

Changchun Univ Sci &

Technol Natl &

Local Joint Engn Res Ctr Space Optoelect T Changchun 130022 Jilin Peoples R China;

Changchun Univ Sci &

Technol Coll Optoelect Engn Changchun 130022 Jilin Peoples R China;

Changchun Univ Sci &

Technol Coll Optoelect Engn Changchun 130022 Jilin Peoples R China;

Changchun Univ Sci &

Technol Natl &

Local Joint Engn Res Ctr Space Optoelect T Changchun 130022 Jilin Peoples R China;

Changchun Univ Sci &

Technol Coll Mat Sci &

Engn Changchun 130022 Jilin Peoples R China;

Changchun Univ Sci &

Technol Natl &

Local Joint Engn Res Ctr Space Optoelect T Changchun 130022 Jilin Peoples R China;

Changchun Univ Sci &

Technol Natl &

Local Joint Engn Res Ctr Space Optoelect T Changchun 130022 Jilin Peoples R China;

Changchun Univ Sci &

Technol Natl &

Local Joint Engn Res Ctr Space Optoelect T Changchun 130022 Jilin Peoples R China;

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1.7 mu m band narrow-linewidth tunable Raman fiber lasers pumped by spectrum-sliced amplified spontaneous emission

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