Design of high power evanescent quantum dot distributed feedback lasers on Si
Qing Ge,
Jun Wang,
Shuaicheng Liu
et al.
Abstract:Great advancements in III–V/Si epitaxy have pushed quantum dot lasers to the forefront of silicon photonics. In this work, we designed the structures of evanescent coupled quantum dot distributed feedback lasers with asymmetric gratings, which made significant improvement in on-chip output power while maintaining single-longitudinal-mode stability. The optimal /4 phase-shift position (the ratio of the grating length from the rear-end of /4 phase-shift to the total grating length) from conventional position o… Show more
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