Very large bandwidth continuous time analogue equaliser in InP DHBT for beyond-100 GBd optical communication applications

The study, design and measurement of a continuous time analogue equaliser based on a differential cascode amplifier cell, using indium phosphide double heterojunction bipolar transistors (DHBTs) reaching an fT/fmax of 370/340 GHz are reported. A bandwidth of more than 110 GHz is achieved and a peaki...

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Published inElectronics letters Vol. 52; no. 2; pp. 135 - 137
Main Authors Mettetal, R, Dupuy, J.-Y, Jorge, F, Riet, M, Nodjiadjim, V, Konczykowska, A, Ouslimani, A
Format Journal Article
LanguageEnglish
Published The Institution of Engineering and Technology 21.01.2016
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Summary:The study, design and measurement of a continuous time analogue equaliser based on a differential cascode amplifier cell, using indium phosphide double heterojunction bipolar transistors (DHBTs) reaching an fT/fmax of 370/340 GHz are reported. A bandwidth of more than 110 GHz is achieved and a peaking of 18 dB at 95 GHz is reached. Simulations demonstrated an equalisation at 205 Gbit/s. This is believed to be the highest frequency peaking reported to date.
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ISSN:0013-5194
1350-911X
1350-911X
DOI:10.1049/el.2015.3364