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48 channels 100-GHz tunable laser by integrating 16 DFB lasers with high wavelength-spacing uniformity

We report a 48-channel 100-GHz tunable laser near 1550 nm by integrating 16 DFB lasers. High wavelength-spacing uniformity is guaranteed by the reconstruction-equivalent-chirp technique, which enables a temperature tuning range below 20 Celsius degree.

preprint2020arXivOpen access

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