Scalable WDM phase regeneration in a single phase-sensitive amplifier through optical time lenses

Optical data regeneration is attractive, due to its potential to increase transmission reach and data throughput in communication systems, and several interesting proposals have been made. However, efficient and scalable solutions for regeneration of multiple parallel wavelength channels have been e...

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Bibliographic Details
Published in:Nature communications 2018-03, Vol.9 (1), p.1049-11, Article 1049
Main Authors: Guan, Pengyu, Da Ros, Francesco, Lillieholm, Mads, Kjøller, Niels-Kristian, Hu, Hao, Røge, Kasper Meldgaard, Galili, Michael, Morioka, Toshio, Oxenløwe, Leif Katsuo
Format: Article
Language:English
Subjects:
639/624/1075/187
639/624/400/385
Amplifiers
Broadband
Channels
Communications systems
Data processing
Humanities and Social Sciences
Multichannel communication
multidisciplinary
Optical data processing
Regeneration
Science
Science (multidisciplinary)
Wave division multiplexing
Wavelength
Wavelength division multiplexing
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Summary:Optical data regeneration is attractive, due to its potential to increase transmission reach and data throughput in communication systems, and several interesting proposals have been made. However, efficient and scalable solutions for regeneration of multiple parallel wavelength channels have been elusive, constituting a key challenge, which must be overcome for optical regeneration to have any prospect of being adapted in actual communication systems. Here we report a scalable wavelength-division multiplexing (WDM) regeneration scheme for phase only regeneration, which satisfies the multichannel requirement, using a set of optical time-lens-based Fourier processors combined with a single phase-sensitive amplifier (PSA). We describe the concept theoretically, and experimentally demonstrate simultaneous regeneration of 16 WDM channels with 50-GHz spacing, each carrying 10-Gbit/s DPSK phase-modulated data. The proposed scheme relies on ultrafast broadband optical processing and is inherently scalable in modulation speed and channel number. Scalable solutions for data regeneration of multiple parallel channels are elusive. Here the authors report a scalable wavelength-division multiplexing technique for phase regeneration and demonstrate the highest reported number of regenerated wavelength-division multiplexed channels in a single phase regenerator.
ISSN:2041-1723
2041-1723
DOI:10.1038/s41467-018-03458-8