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Proceedings Paper

A study on 400ZR and flexible-grid spacing for data-center interconnect transmission
Author(s): Ahmad Abdo; Khaled Maamoun; Priyanth Mehta; Timothy Creasy; Claude D'Amours
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Paper Abstract

In the context of standardized 400ZR, we study the adjacent channel power ratio (ACPR) as a measure for quantifying the impact of pluggables in flexible-grid dense wavelength division multiplexing (DWDM) networks. Using Monte- Carlo simulations, the ACPR is calculated under standardized roll-off factors for a dual-polarization 16QAM channel at 59.8GBaud. The ACPR is shown to adequately represent the impact of linear cross-talk as a function of channel spacing and channel power. From 75GHz (DWDM) to 59GHz (Super-Nyquist) optical transmission, we report a universal approach for specifying the penalties of flexible-grid pluggables on a channel’s required signal-to-noise ratio (SNR) and timing recovery.

Paper Details

Date Published: 31 January 2020
PDF: 7 pages
Proc. SPIE 11308, Metro and Data Center Optical Networks and Short-Reach Links III, 113080R (31 January 2020); doi: 10.1117/12.2546611
Show Author Affiliations
Ahmad Abdo, Ciena Corp. (Canada)
Univ. of Ottawa (Canada)
Khaled Maamoun, Univ. of Ottawa (Canada)
Priyanth Mehta, Ciena Corp. (Canada)
Timothy Creasy, Ciena Corp. (Canada)
Claude D'Amours, Univ. of Ottawa (Canada)


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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