High-Speed Heterogeneous InP-on-Si Capacitive Phase Modulators

2018 
We present O-band InP-on-Si phase modulators with 0.5dB IL, 1V·cm V π L and >25GHz bandwidth for 250μm long sections. 25 Gbps operation without optical amplifiers or pre-emphasis is demonstrated with an MZM integrating such phase modulators.
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