A 3 Gb/s optical detector in standard CMOS for 850 nm optical communication

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Radovanović, Saša and Annema, Anne-Johan and Nauta, Bram (2005) A 3 Gb/s optical detector in standard CMOS for 850 nm optical communication. IEEE Journal of Solid-State Circuits, 40 (8). pp. 1706-1717. ISSN 0018-9200

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Abstract:This paper presents a monolithic optical detector, consisting of an integrated photodiode and a preamplifier in a standard 0.18-/spl mu/m CMOS technology. A data rate of 3 Gb/s at BER <10/sup -11/ was achieved for /spl lambda/=850 nm with 25-/spl mu/W peak-peak optical power. This data rate is more than four times than that of current state-of-the-art optical detectors in standard CMOS reported so far. High-speed operation is achieved without reducing circuit responsivity by using an inherently robust analog equalizer that compensates (in gain and phase) for the photodiode roll-off over more than three decades. The presented solution is applicable to various photodiode structures, wavelengths, and CMOS generations.
Item Type:Article
Copyright:© 2004 IEEE
Faculty:
Electrical Engineering, Mathematics and Computer Science (EEMCS)
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Link to this item:http://purl.utwente.nl/publications/52582
Official URL:http://dx.doi.org/10.1109/JSSC.2005.852030
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