Fig. 4: High-speed operation of the modulator. | Communications Engineering

Fig. 4: High-speed operation of the modulator.

From: A 100 Gb s−1 quantum-confined Stark effect modulator monolithically integrated with silicon nitride on Si

Fig. 4

a Characterisation setup. Eye diagrams for an NRZ modulation at 50 Gb s−1 in the case of (b) the Si wafer and the SOI wafer. c Higher data rate eye diagrams for a Si-substrate device and for NRZ modulation at 64.85 Gb s−1, 82.05 Gb s−1 and 100 Gb s−1. DC direct current, RF radio frequency, MUX multiplexer, GS ground-signal, SMF single-mode fibre, TLS tunable laser source, BPF bandpass filter, DCA digital communication analyzer.

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