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Monolithic, high transimpedance gain (3.3 kΩ), 40 Gbit/s InP-HBT photoreceiver with differential outputs

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8 Author(s)
Huber, A. ; Electron. Lab., Swiss Federal Inst. of Technol., Zurich, Switzerland ; Huber, D. ; Morf, T. ; Jackel, H.
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A monolithically integrated, lumped 40 Gbit/s photoreceiver consisting of an InGaAs pin-photodetector, an InP-InGaAs SHBT transimpedance and a differential post-amplifier is presented. The complete circuit has an optical/electrical bandwidth of 28 GHz. The open 40 Gbit/s eye diagrams demonstrate the successful highspeed operation of the photoreceiver. The transimpedance gain of the circuit was measured to be 3.3 kΩ (differential) which is the highest transimpedance yet reported for any monolithically integrated 40 Gbit/s photoreceiver.

Published in:

Electronics Letters  (Volume:35 ,  Issue: 11 )