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The development of advanced InP-based transmitter PICs of increasing complexity and integrating periodically capacitive-loaded (CL) Travelling Wave Electrode (TWE) Mach-Zehnder modulators is reported and discussed in examples.
We present for the first time 32 GBd QPSK of an InP-based IQ modulator with monolithically integrated laser and co-packaged SiGe driver. Power consumption is 1.1 W, which is well within the CFP4 module overall budget of 6 W.
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