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20-Gb/s 14-k ohm transimpedance long-wavelength MSM-HEMT photoreceiver OEIC

Langwelliger 20 Gb/s MSM-HEMT Photoempfänger OEIC mit 14 k Ohm Transimpedanz


IEEE Photonics Technology Letters 10 (1998), Nr.5, S.710-712 : Ill.
ISSN: 1041-1135
Fraunhofer IAF ()
1.3-1.55-mu m wavelength; Begrenzerverstärker; HEMT ICs; limiting amplifier; MSM photodetector; MSM photodetector; OEIC; optical fiber link; optische Glasfaserverbindung; photoreceiver; transimpedance amplifier

A fully monolithically integrated photoreceiver composed of a metal-semiconductor-metal (MSM) photodetector, a transimpedance amplifier and three limiting amplifier stages for high-speed optical-fiber links is presented. The IC was fabricated using a 0.2-mu m gatelength high-electron mobility transistor (HEMT) technology with a f(T) of 60 GHz. The 1.3-1.55-mu m wavelength photoreceiver optoelectronic integrated circuit (OEIC) has a bandwidth of 16 GHz with a high-transimpedance gain of 14 kohm. Eye diagrams were demonstrated at 20 Gb/s with a output voltage of 1 V(p-p).