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Ultrafast all-optical clock recovery based on phase-only linear optical filtering.

Authors
Type
Published Article
Journal
Optics Letters
1539-4794
Publisher
The Optical Society
Publication Date
Volume
39
Issue
9
Pages
2815–2818
Identifiers
DOI: 10.1364/OL.39.002815
PMID: 24784111
Source
Medline
License
Unknown

Abstract

We report on a novel, efficient technique for all-optical clock recovery from RZ-OOK data signals based on spectral phase-only (all-pass) optical filtering. This technique significantly enhances both the recovered optical clock quality and energy efficiency in comparison with conventional amplitude optical filtering approaches using a Fabry-Perot filter. The proposed concept is validated through recovery of the optical clock from a 640 Gbit/s RZ-OOK data signal using a commercial linear optical waveshaper.

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