Authors:	K. Van Gasse, J. Van Kerrebrouck, A. Abbasi, J. Verbist, G. Torfs, G. Morthier, X. Yin, J. Bauwelinck, G. Roelkens
Title:	III-V-on-Silicon Photonic Transceivers for Radio-over-Fiber links
Format:	International Journal
Publication date:	10/2018
Journal/Conference/Book:	Journal of Lightwave Technology
Volume(Issue):	36(19) p.4438-4444
DOI:	10.1109/JLT.2018.2845743
Citations:	13 (Dimensions.ai - last update: 24/11/2024) 9 (OpenCitations - last update: 27/6/2024) Look up on Google Scholar
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Abstract

The emergence of the fifth generation wireless networks (5G) and the Internet of Things drives the research on radio access networks. Future wireless networks aim to deliver a dramatic increase in bandwidth to an ever increasing amount of connected devices. To realize such a vision, advanced optical transceivers that link the base-station and the antennas will be required. In this paper, we present the first demonstration of an integrated silicon photonic radio-over-fiber transmitter and receiver, consisting of a directly modulated III-V-on-silicon distributed feedback laser and a Ge-on-Si waveguide photodiode cointegrated with a linear SiGe Bipolar CMOS (BiCMOS) transimpedance amplifier, respectively. Transmission of a high-spectral-efficiency long-term evolution 20 MHz bandwidth 120 Mbit/s 64 quadrature amplitude modulation (64-QAM) orthogonal frequency division multiplexing signal on a 3.5 and 5 GHz carrier over 5 km of standard single mode fiber is demonstrated. We further demonstrate the transmission of 16 Gbps 16-QAM data on a 20 GHz carrier over a 5 km link with a received rms error vector magnitude of 7%.