Multi-dimensional modulation and demodulation techniques for high-capacity optical transport network

Masanori Nakamura; Fukutaro Hamaoka; Asuka Matsushita; Yoshiaki Kisaka

doi:10.1117/12.2509212

1 February 2019 Multi-dimensional modulation and demodulation techniques for high-capacity optical transport network

Masanori Nakamura, Fukutaro Hamaoka, Asuka Matsushita, Yoshiaki Kisaka

Proceedings Volume 10947, Next-Generation Optical Communication: Components, Sub-Systems, and Systems VIII; 109470A (2019) https://doi.org/10.1117/12.2509212
Event: SPIE OPTO, 2019, San Francisco, California, United States

Abstract

Advanced modulation formats, e.g. multi-dimensional modulation, probabilistic shaping, and geometric shaping, are promising candidates to realize beyond 400 Gbps serial long haul transmission. Multi-dimensional modulation encoded with a short block length extends the minimum Euclidean distance between multi-dimensional symbols, resulting in improving noise tolerance. We have recently proposed eight-dimensional (8D)-16QAM with low-complexity iterative demodulation scheme and have demonstrated 600 Gbps/wavelength 120-GBaud 8D-16QAM WDM transmission over 3,900 km. In this paper, we discuss a design method of multi-dimensional modulation formats and demodulation techniques.

Conference Presentation

Citation Download Citation

Masanori Nakamura, Fukutaro Hamaoka, Asuka Matsushita, and Yoshiaki Kisaka "Multi-dimensional modulation and demodulation techniques for high-capacity optical transport network", Proc. SPIE 10947, Next-Generation Optical Communication: Components, Sub-Systems, and Systems VIII, 109470A (1 February 2019); https://doi.org/10.1117/12.2509212

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