First Demonstration of 40-Gbit/s Operation of a Semiconductor- Integrated Optical Digital-to-Analog Converter

Conference: ECOC 2007 - 33rd European Conference and Exhibition of Optical Communication
09/16/2007 - 09/20/2007 at Berlin, Germany

Proceedings: ECOC 2007

Pages: 2Language: englishTyp: PDF

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Sawada, Kengo; Uenohara, Hiroyuki (P&I Lab., Tokyo Institute of Technology, 4259 Nagatsuta, Midori-ku, Yokohama , Kanagawa 226-8503, Japan)
Sawada, Kengo; Uenohara, Hiroyuki (JST-CREST, 1-32-12 Higashi, Shibuya-ku, Tokyo 150-1011, Japan)

We demonstrated the first operation of a 40-Gbit/s semiconductor-integrated optical digital-to-analog converter. Four-level signals were generated and a quarter dependence of phase on temperature and wavelength compared with that for 10-Gbit/s was verified.