2D Grating Coupler Integrated with Two Parallel EAMs for Compact PAM-4 Silicon Photonics Transmitter

Hung-Jui Chen,Rih-You Chen,Yung-Jr Hung,Chia-Chien Wei,Yi-Jen Chiu

2023 28th Microoptics Conference (MOC)（2023）

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摘要

A silicon photonic 2-dimensional grating coupler (2D GC) integrated with dual-parallel germanium electro-absorption modulators (Ge-EAM) for generating four-level photonic pulse amplitude modulation (PAM-4) has been proposed. Combining two polarizations of light modulated by two parallel EAMs in 2D GC, high-speed 50Gb/s PAM-4 photo-detected signal has been attained.

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