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Proceedings Paper

Quasi-Nyquist WDM networks using receiver-side quadrature duo-binary/quaternary spectrum shaping
Author(s): Kazuya Okamura; Yojiro Mori; Hiroshi Hasegawa; Ken-ichi Sato
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Paper Abstract

The introduction of quasi-Nyquist wavelength-division multiplexing (WDM) reduces unused frequency resources and hence attains high spectral efficiency. Applying quasi-Nyquist WDM to optical-path networks using wavelengthselective switches (WSSs) is hindered by two factors: the limited bandwidth resolution of WSS passbands and the significant spectrum narrowing occasioned by WSS traversal. In this paper, we propose a novel quasi-Nyquist WDM network architecture, where the bundle-based wavelength assignment and receiver-side partial-response spectrum shaping are simultaneously utilized so as to resolve the two problems. Extensive computer simulations show that the proposed network architecture increases the maximum attainable node-hop count compared to the conventional transmission systems.

Paper Details

Date Published: 31 January 2020
PDF: 6 pages
Proc. SPIE 11308, Metro and Data Center Optical Networks and Short-Reach Links III, 113080E (31 January 2020); doi: 10.1117/12.2544195
Show Author Affiliations
Kazuya Okamura, Nagoya Univ. (Japan)
Yojiro Mori, Nagoya Univ. (Japan)
Hiroshi Hasegawa, Nagoya Univ. (Japan)
Ken-ichi Sato, Nagoya Univ. (Japan)

Published in SPIE Proceedings Vol. 11308:
Metro and Data Center Optical Networks and Short-Reach Links III
Atul K. Srivastava; Madeleine Glick; Youichi Akasaka, Editor(s)

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