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InP/InGaAs double-HBT technology for high bit-rate communication circuits

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5 Author(s)
D. Caffin ; Lab. de Bagneux, CNET, Bagneux, France ; M. Bouche ; M. Meghelli ; A. M. Duchenois
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A InP/InGaAs DHBT technology has been developed to meet the high speed requirements of circuits required in 20 Gbit/s optical communication links. High performance devices were achieved with a current gain over 100 and cutoff frequencies of >50 GHz. The technology showed excellent behaviour in terms of yield and homogeneity. Over 2O Gbit/s digital ICs were realised: among them, a 20 Gbit/s external modulator driver, and a 32 Gbit/s 2:1 multiplexer

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Electronics Letters  (Volume:33 ,  Issue: 2 )