Beyond 1 Tb/s Intra-Data Center Interconnect Technology: IM-DD OR Coherent?

We discuss technology options and challenges for scaling intra-datacenter interconnects beyond 1 Tb/s bandwidths, with focus on two possible approaches: pulse amplitude modulation (PAM)-based intensity modulation-direct detection (IM-DD) and baud-rate sampled coherent technology. In our studies, we...

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Bibliographic Details
Published in:	Journal of lightwave technology Vol. 38; no. 2; pp. 475 - 484
Main Authors:	Zhou, Xiang, Urata, Ryohei, Liu, Hong
Format:	Journal Article
Language:	English
Published:	New York IEEE 15.01.2020 The Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subjects:	Bandwidth Coherence Coherent detection coherent modulation Comparative studies Data centers datacenter Digital signal processing direct detection DSP fiber FlexPAM IM-DD interconnect modulation format optical Optical fibers Optical interconnections Optical modulation Optical polarization PAM Power consumption Pulse amplitude modulation QAM Quadrature amplitude modulation
ISSN:	0733-8724, 1558-2213
Online Access:	Get full text
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