J. Godin, A. Konczykowska, J. Dupuy, F. Jorge, A. Gnauck, M. Riet, J. Moulu, V. Nodjiadjim, P. Berdaguer, F. Blache
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引用次数: 9
Abstract
This paper reports on very high speed large swing digital-to-analog converter (DAC) suiting the generation of spectrally efficient optical transmission signals. 2-bit and 3-bit DACS with up to 4 Vpp swing, operating up to 50 GBaud, have been fabricated using our InP DHBT technology (FT ~280 GHz, FMAX ~270 GHz, BVCE0 ~5 V). These chips have been packaged and used to generate 16- and 64-QAM signals in optical transmission experiments at various bitrates.
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