A tunable DBR laser with a transparent thin-film heater above the DBR grating was fabricated. Single-mode lasing with an output power of similar to 50 mW and a side-mode suppression ratio of 25 dB was obtained. A wide tuning range of 5.2 nm was achieved by heating the DBR grating with a 160 mW heater power.
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School of Electronic Engineering and Automation, Guilin University of Electronic Technology, GuilinSchool of Electronic Engineering and Automation, Guilin University of Electronic Technology, Guilin
Li X.-N.
Yuan Z.-H.
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School of Electronic Engineering and Automation, Guilin University of Electronic Technology, Guilin
School of Information Engineering, Guizhou Minzu University, GuiyangSchool of Electronic Engineering and Automation, Guilin University of Electronic Technology, Guilin
Yuan Z.-H.
Zhou L.
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School of Electronic Engineering and Automation, Guilin University of Electronic Technology, GuilinSchool of Electronic Engineering and Automation, Guilin University of Electronic Technology, Guilin