CMOS front-end for duobinary data over 50-m SI-POF links

J. Aguirre; E. Guerrero; C. Gimeno; C. Sánchez-Azqueta; S. Celma

doi:10.1117/12.2178960

1 June 2015 CMOS front-end for duobinary data over 50-m SI-POF links

J. Aguirre, E. Guerrero, C. Gimeno, C. Sánchez-Azqueta, S. Celma

Proceedings Volume 9520, Integrated Photonics: Materials, Devices, and Applications III; 95200V (2015) https://doi.org/10.1117/12.2178960
Event: SPIE Microtechnologies, 2015, Barcelona, Spain

Abstract

This paper presents a front-end for short-reach high-speed optical communications that compensates the limited bandwidth of 1-mm 50-m step-index plastic optical fiber (SI-POF). For that purpose, it combines two techniques: continuous-time equalization and duobinary modulation. An addition of both enables the receiver to operate at 3.125 Gbps. The prototype contains a transimpedance amplifier, a continuous-time equalizer and a duobinary decoder. The prototype has been implemented in a cost-effective 0.18-μm CMOS process and is fed with 1.8 V.

Citation Download Citation

J. Aguirre, E. Guerrero, C. Gimeno, C. Sánchez-Azqueta, and S. Celma "CMOS front-end for duobinary data over 50-m SI-POF links", Proc. SPIE 9520, Integrated Photonics: Materials, Devices, and Applications III, 95200V (1 June 2015); https://doi.org/10.1117/12.2178960

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