Experimental Measurement of the Tolerance on Optical Feedback for the Heterogeneous Silicon Quantum Dot Comb Laser

Abstract

This paper experimentally measures the tolerance to optical feedback for the heterogeneous silicon quantum dot (QD) comb laser. The measurement results show open eye diagrams and error-free operations at 10 Gb/s and 50°C, with - 18.5 dB on-chip optical feedback, indicating high tolerance for optical feedback.