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Chinese Journal of Lasers, Volume. 44, Issue 1, 101004(2017)

Widely Tunable Distributed Feedback Semiconductor Lasers with Constant Power and Narrow Linewidth

Wang Qi1,2、*, Guo Jinjin1, Chen Wei1, Liu Jianguo1, and Zhu Ninghua1
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  • 1[in Chinese]
  • 2[in Chinese]
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    Figures&Tables (8)
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    References (18)
    Cited By (12)
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    Figures & Tables(8)
    Schematic of local structure of DFB laser

    Fig. 1. Schematic of local structure of DFB laser

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    (a) Laser power versus current; (b) laser power versus temperature

    Fig. 2. (a) Laser power versus current; (b) laser power versus temperature

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    Schematic of laser module

    Fig. 3. Schematic of laser module

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    Laser driving circuit diagram

    Fig. 4. Laser driving circuit diagram

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    Schematic of temperature controlling circuit

    Fig. 5. Schematic of temperature controlling circuit

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    (a) Optical spectrum at 25 ℃; (b) optical spectra at different temperatures

    Fig. 6. (a) Optical spectrum at 25 ℃; (b) optical spectra at different temperatures

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    Laser powers at different temperatures

    Fig. 7. Laser powers at different temperatures

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    (a) Laser linewidths at different temperatures; (b) laser linewidth at 25 ℃

    Fig. 8. (a) Laser linewidths at different temperatures; (b) laser linewidth at 25 ℃

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    Wang Qi, Guo Jinjin, Chen Wei, Liu Jianguo, Zhu Ninghua. Widely Tunable Distributed Feedback Semiconductor Lasers with Constant Power and Narrow Linewidth[J]. Chinese Journal of Lasers, 2017, 44(1): 101004

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    Paper Information

    Category: laser devices and laser physics

    Received: Aug. 25, 2016

    Accepted: --

    Published Online: Jan. 10, 2017

    The Author Email: Qi Wang (qwang@semi.ac.cn)

    DOI:10.3788/CJL201744.0101004

    Topics

    laser devices and laser physics
    Lasers and Laser Optics
    Laser physics
    laser manufacturing
    Instrumentation, Measurement and Metrology