IEICE Electronics Express
Online ISSN : 1349-2543
ISSN-L : 1349-2543

This article has now been updated. Please use the final version.

Single-channel 240-Gbit/s sub-THz wireless communications using ultra-low phase noise receiver
Keisuke MaekawaTomoya NakashitaToki YoshiokaTakashi HoriAntoine RollandTadao Nagatsuma
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JOURNAL FREE ACCESS Advance online publication

Article ID: 20.20230584

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Abstract

We present a sub-terahertz (THz) wireless link using photonics-based ultra-low phase noise transmitter and receiver. The maximum data rate achieved below hard-decision forward error correction (HD-FEC) threshold by using on-line signal processing was 240 Gbit/s with 64 quadrature amplitude modulation (64QAM) at a single carrier frequency of 275 GHz. We also demonstrate successful 20-m transmission at a data rate of over-200 Gbit/s data rate. This is the highest single-channel performance ever reported with sub-THz wireless communications to the best of our knowledge.

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