The laser tuning range is approximately 35 nm across the telecommunications C-band. The MZM DC extinction ratio exceeds 15 dB for a differential drive voltage of 6 V peak-to-peak. Clear eye diagrams were demonstrated at 3 Gbps for OOK modulation and 1 Gbps for RZ-DPSK modulation.
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Joseph Fridlander, Sergio Pinna, Victoria Rosborough, Steven Estrella, Leif Johansson, Jonathan Klamkin, "RZ-DPSK photonic integrated transmitter for space optical communications," Proc. SPIE 10524, Free-Space Laser Communication and Atmospheric Propagation XXX, 105240Y (15 February 2018);