1 May 2015 High-speed and low-power silicon-organic hybrid modulators for advanced modulation formats
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We demonstrate silicon-organic hybrid (SOH) modulators for generating advanced modulation formats at high data rates and with low energy consumption. SOH integration combines slot waveguides on conventional silicon-on-insulator substrates with highly efficient electro-optic materials. With this approach we generate 16QAM signals at symbol rates of 28 GBd and 40 GBd leading to gross data rates (net data rates) of up to 160 Gbit/s (133 Gbit/s) for a single polarization. This is the highest value achieved by a silicon-based modulator up to now. With a maximum symbol rate of 28 GBd, low drive voltages of only 0.6 Vpp are sufficient and result in a record-low energy consumption of only 19 fJ/bit. This is the lowest energy consumption that has so far been reported for a 16QAM modulator at 28 GBd.
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M. Lauermann, M. Lauermann, S. Wolf, S. Wolf, R. Palmer, R. Palmer, S. Koeber, S. Koeber, P. C. Schindler, P. C. Schindler, T. Wahlbrink, T. Wahlbrink, J. Bolten, J. Bolten, A. L. Giesecke, A. L. Giesecke, M. Koenigsmann, M. Koenigsmann, M. Kohler, M. Kohler, D. Malsam, D. Malsam, D. L. Elder, D. L. Elder, L. R. Dalton, L. R. Dalton, J. Leuthold, J. Leuthold, W. Freude, W. Freude, C. Koos, C. Koos, } "High-speed and low-power silicon-organic hybrid modulators for advanced modulation formats", Proc. SPIE 9516, Integrated Optics: Physics and Simulations II, 951607 (1 May 2015); doi: 10.1117/12.2180179; https://doi.org/10.1117/12.2180179

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