Terabit Interconnects with a 20-GHz O-Band Passively Mode Locked Quantum Dot Laser Grown Directly on Silicon

A 20-GHz passively mode-locked quantum dot laser directly grown on a silicon substrate is demonstrated as an on-chip wavelength division multiplexing (WDM) source for 4.1 Tb/s data transmission using 64 Nyquist WDM channels.

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