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Authors: A. Abbasi, C. Spatharakis, G. Kanakis, N. Sequeira André, H. Louchet, A. Katumba, J. Verbist, H. Avramopoulos, P. Bienstman, X. Yin, J. Bauwelinck, G. Roelkens, G. Morthier
Title: High Speed Direct Modulation of a Heterogeneously Integrated InP/SOI DFB Laser
Format: International Journal
Publication date: 1/2016
Journal/Conference/Book: Journal of Lightwave Technolgy (invited)
Editor/Publisher: IEEE, 
Volume(Issue): 34(8) p.1683-1687
DOI: 10.1109/jlt.2015.2510868
Citations: 21 ( - last update: 21/7/2024)
20 (OpenCitations - last update: 27/6/2024)
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We present direct modulation of a heterogeneously integrated DFB laser on and coupled to a silicon waveguide. The laser is single mode and gives 6 mW average optical power. The 3dB bandwidth of the laser operated at 100 mA bias current is 15 GHz. We demonstrate 28 Gb/s PRBS NRZ data transmission over 2 km non zero dispersion shifted fiber (NZ-DSF) with a 1 dB power penalty. Additionally, we show 40 Gb/s duobinary modulation generated using the bandwidth limitation of the laser for both back-to-back and fiber transmission configurations. Furthermore, we investigate the device performance for the Pulse Amplitude Modulation format (PAM-4) at 20 GBaud to verify its capability for high speed short link application. BER figures illustrate the performance for all configurations.

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