Chinese Optics Letters, Volume. 18, Issue 6, 061401(2020)

Directly modulated active distributed reflector distributed feedback lasers over wide temperature range operation (−40 to 85°C)

Gonghai Liu, Gongyuan Zhao, Gong Zhang, Qiaoyin Lu, and Weihua Guo*
Author Affiliations
  • Wuhan National Laboratory for Optoelectronics & School of Optical and Electronic Information, Huazhong University of Science and Technology, Wuhan 430074, China
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    Figures & Tables(7)
    (a) Structure diagram of the ADR-DFB lasers, (b) microscope photograph of the fabricated laser, and (c) measured optical spectrum of twenty-five adjacent ADR-DFB lasers on an 8 mm cleave bar.
    (a) Light-current characteristics of the ADR-DFB laser over a wide temperature range of −40–85°C and (b) the characteristic temperature of the ADR-DFB laser.
    (a) Measured optical spectra of the ADR-DFB laser under the drive current of 60 mA over a wide temperature range of −40–85°C and (b) the varied lasing wavelength of the ADR-DFB laser with the measured ambient temperature.
    Electro/optical (E/O) response of the fabricated ADR-DFB laser with the bias current of 60 mA over a wide temperature range of −40–85°C.
    Thermal resistance of the ADR-DFB laser.
    (a) 25.8 Gb/s eye diagrams of the electrical wave waveforms and 25.8 Gb/s eye diagrams of measured BTB and after 10 km SMF transmission at (b) −40°C, (c) −20°C, (d) 0°C, (e) 20°C, (f) 40°C, (g) 60°C, and (h) 85°C.
    BER characteristics of the ADR-DFB laser for BTB and 10 km SMF transmissions over a wide temperature range of −40–85°C.
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    Gonghai Liu, Gongyuan Zhao, Gong Zhang, Qiaoyin Lu, Weihua Guo. Directly modulated active distributed reflector distributed feedback lasers over wide temperature range operation (−40 to 85°C)[J]. Chinese Optics Letters, 2020, 18(6): 061401

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    Paper Information

    Category: Lasers and Laser Optics

    Received: Dec. 8, 2019

    Accepted: Mar. 1, 2020

    Published Online: May. 14, 2020

    The Author Email: Weihua Guo (guow@mail.hust.edu.cn)

    DOI:10.3788/COL202018.061401

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