Abstract
In article number 2100057, John E. Bowers, Yating Wan, Chao Xiang, and co-workers report record-setting quantum dot (QD) distributed feedback lasers on Si with a 3-dB modulation bandwidth of 13 GHz, a threshold current of 4 mA, a side-mode-suppression-ratio of 60 dB, and a fundamental linewidth of 26 kHz. The broadband QD lasers and the Si-on-insulator waveguiding platform can be expanded to build fully functional photonic integrated circuits throughout the O band.
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