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InP DHBT-based distributed amplifier for 100 Gbit/s modulator driver operation

InP DHBT-basierender Wanderwellenverstärker zur Verwendung als 100 Gbit/s Modulatortreiber
 
: Hurm, V.; Benkhelifa, F.; Driad, R.; Lösch, R.; Makon, R.E.; Massler, H.; Rosenzweig, J.; Schlechtweg, M.; Walcher, H.

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Electronics Letters 44 (2008), No.12, pp.705-706
ISSN: 0013-5194
English
Journal Article
Fraunhofer IAF ()
InP-DHBT; 100 Gbit/s; modulator driver; Modulator-Treiber; distributed amplifier; verteilter Verstärker

Abstract
A distributed amplifier for use as a modulator driver in next generation optical data communication systems has been manufactured using InP double-hetero bipolar transistor ( DHBT) technology with an emitter size of 0.7 x 1 mu m(2). The amplifier achieved a gain of 21 dB and a 3 dB bandwidth of 120 GHz, resulting in a gain-bandwidth product of 1.35 THz. Clearly open 100 Gbit/s 2(31)-1 non-return-to-zero pseudorandom bit sequence (NRZ PRBS) eye diagrams with an output voltage swing of 2.3 V have been measured.

: http://publica.fraunhofer.de/documents/N-76475.html