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A kind of narrow-linewidth fiber laser was developed. A segment of Er-doped fiber is connected after the active phase-shifted fiber grating. A distributed feedback (DFB) fiber laser is realized using a 980 nm laser for pump. The erbium ions in the Er-doped fiber are pumped from ground-state to excited state by the residual pump power, so the output power of the DFB fiber laser is amplified effectively, and the pump power is fully used. In this way, the power consumption and the cost are reduced greatly. Temperature-control techniquc is used to deal with the temperature-sensitivity of the DFB fiber laser. The high-frequency modulation is realized by using a piezo-electric actuator when the phase-shifted fiber grating is mounted on its surface. In our experiment, the highest modulation frequency, the output power and the linewidth of the fiber laser are 2 kHz, 15.6 dBm and 300 kHz, respectively.
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Keywords:
- distributed feedback fiber laser /
- narrow-linewidth /
- high-power /
- high-frequency modulation
[1] Zhou S L 2003 Optical Communication Technology 4 47 (in Chinese) [同少玲 2003 光通信技术 4 47]
[2] Agrawal G P,Bobeck A H 1988 IEEE Journal of Quantum Electron 24 2047
[3] Turan E 1997 Journal of Lightwave Technology 15 1277
[4] Li H P, Wang Q Y, Qin L, Wei Z X, Zhang Y S 2001 Journal of Optoeiectronics ·Laser 12 26 (in Chinese) [李惠萍、王庆亚、秦 莉、韦占雄、张玉书 2001 光电子 〖5] He J L, Sun X H 2000 Chinese Journal of Electron Devices 23 90 (in Chinese) [何瑾琳、孙小菡 2000 电子器件 23 90]
[5] Xu X H, Cui Y P 2003 Acta Phys. Sin. 52 96 (in Chinese) [徐新华、崔一平 2002 52 96]
[6] Wang Y, Ye Z Q 2002 Journal of Optoeiectronics ·Laser 13 679 (in Chinese) [王 燕、叶志清 2002 光电子 〖8] Zhao D H, Yang X F, Liu Z G, Li Z H, Ge C F, Shen Q Q, Lv K C, Dong X Y 1998 Journal of Optoeiectronics ·Laser 9 177 (in Chinese) [赵东晖、杨秀峰、刘志国、李智红、葛春风、盛秋琴、吕可诚、董孝义 1998 光电子 〖9] Han Q, Lv K C, Li Y G 2003 Journal of Optoeiectronics ·Laser 14 41 (in Chinese) [韩 群、吕可诚、李乙刚 2003 光电子 〖10] Zhou C H, Wang L, Nie Y, Wang Z H 2002 Acta Phys. Sin. 51 68 (in Chinese) [周传宏、王 磊、聂 娅、王植恒 2002 51 68]
[7] Weller-Brophy L A, Hall D G 1985 Journal of the Optical Society of America A 2 863
[8] Agrawal G P, Radic S 1994 IEEE Photonics Technology Letters 6 995
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[1] Zhou S L 2003 Optical Communication Technology 4 47 (in Chinese) [同少玲 2003 光通信技术 4 47]
[2] Agrawal G P,Bobeck A H 1988 IEEE Journal of Quantum Electron 24 2047
[3] Turan E 1997 Journal of Lightwave Technology 15 1277
[4] Li H P, Wang Q Y, Qin L, Wei Z X, Zhang Y S 2001 Journal of Optoeiectronics ·Laser 12 26 (in Chinese) [李惠萍、王庆亚、秦 莉、韦占雄、张玉书 2001 光电子 〖5] He J L, Sun X H 2000 Chinese Journal of Electron Devices 23 90 (in Chinese) [何瑾琳、孙小菡 2000 电子器件 23 90]
[5] Xu X H, Cui Y P 2003 Acta Phys. Sin. 52 96 (in Chinese) [徐新华、崔一平 2002 52 96]
[6] Wang Y, Ye Z Q 2002 Journal of Optoeiectronics ·Laser 13 679 (in Chinese) [王 燕、叶志清 2002 光电子 〖8] Zhao D H, Yang X F, Liu Z G, Li Z H, Ge C F, Shen Q Q, Lv K C, Dong X Y 1998 Journal of Optoeiectronics ·Laser 9 177 (in Chinese) [赵东晖、杨秀峰、刘志国、李智红、葛春风、盛秋琴、吕可诚、董孝义 1998 光电子 〖9] Han Q, Lv K C, Li Y G 2003 Journal of Optoeiectronics ·Laser 14 41 (in Chinese) [韩 群、吕可诚、李乙刚 2003 光电子 〖10] Zhou C H, Wang L, Nie Y, Wang Z H 2002 Acta Phys. Sin. 51 68 (in Chinese) [周传宏、王 磊、聂 娅、王植恒 2002 51 68]
[7] Weller-Brophy L A, Hall D G 1985 Journal of the Optical Society of America A 2 863
[8] Agrawal G P, Radic S 1994 IEEE Photonics Technology Letters 6 995
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