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Yu H, Pantouvaki M, Verheyen P, et al. Silicon dual-ring modulator driven by differential signal. Opt Lett. 2014;39(22):6379-82doi: 10.1364/OL.39.006379.
Yu, H., Pantouvaki, M., Verheyen, P., Lepage, G., Absil, P., Bogaerts, W., & Van Campenhout, J. (2014). Silicon dual-ring modulator driven by differential signal. Optics letters, 39(22), 6379-82. https://doi.org/10.1364/OL.39.006379
Yu, Hui, et al. "Silicon dual-ring modulator driven by differential signal." Optics letters vol. 39,22 (2014): 6379-82. doi: https://doi.org/10.1364/OL.39.006379
Yu H, Pantouvaki M, Verheyen P, Lepage G, Absil P, Bogaerts W, Van Campenhout J. Silicon dual-ring modulator driven by differential signal. Opt Lett. 2014 Nov 15;39(22):6379-82. doi: 10.1364/OL.39.006379. PMID: 25490473.
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Opt Lett. 2014 Nov 15;39(22):6379-82. doi: 10.1364/OL.39.006379.

Silicon dual-ring modulator driven by differential signal.

Optics letters

Hui Yu, Marianna Pantouvaki, Peter Verheyen, Guy Lepage, Philippe Absil, Wim Bogaerts, Joris Van Campenhout

PMID: 25490473 DOI: 10.1364/OL.39.006379

Abstract

A silicon dual-ring modulator consisting of two serially cascaded rings with embedded PN junctions is driven by a differential signal pair. We show by simulation and experiment that the device has advantages over the single-ring modulator in terms of optical bandwidth, 3-dB modulation bandwidth and bit rate, at the expense of a 1.7-dB increase in the transmission penalty and a twofold increase of the RF power consumption. Driven by differential pseudo random binary sequence (PRBS) signals of 0.5-V peak-to-peak voltage (Vpp), the dual-ring modulator exhibits optical bandwidths of 66 pm and 40 pm at 12.5  Gb/s and 20  Gb/s, respectively. In contrast, the single-ring modulator has an optical bandwidth of 26 pm under a single-end PRBS signal of 0.5  Vpp at 12.5  Gb/s, and its eye diagram closes if the bit rate rises to 20  Gb/s.

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