Abstract
We have developed InP-based Mach-Zehnder modulators suitable for advanced modulation formats using a novel waveguide structure. We confirmed 40-Gbit/s NRZ signal generation and a 220-km 10 Gbit/s optical duobinary transmission. We also demonstrated a DQPSK modulator operating at 80 Gbit/s.
© 2008 Optical Society of America
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