Extreme speed power-DAC: Leveraging InP DHBT for ultimate capacity single-carrier optical transmissions

With 100-GBd operation and 4-Vpp_diff swing, InP DHBT Power-DAC enabled experiments with different types of E/O modulators. Single-carrier 100-GBd PAM-4 IM/DD transceiver for datacenters and 1.08 Tb/s transmitter (90-GBd PDM-64QAM) were demonstrated.

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