A hybrid integrated tunable narrow-linewidth laser is demonstrated in this paper. The hybrid laser comprises a commercial DFB laser butt-coupled to an external cavity with a micro-ring resonator. A transfer matrix model has been presented and the wavelength performance of the laser has been analyzed. In the experiment, the hybrid laser Lorentzian linewidth is ~5KHz and the tuning range is ~2.75 nanometer.
The wavelength tuning performance of narrow-linewidth laser-diode coupled to an external high-Q Si3N4micro-ring resonator
Semiconductor Lasers and Applications XI ; 2021 ; Nantong,Jiangsu,China
Proc. SPIE ; 11891
2021-10-09
Conference paper
Electronic Resource
English
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