Impact of Cascaded Multi-Band 1×2 Photonic Integrated WSS in Metro-Access Networks

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Abstract

PIC multi-band WSS is evaluated with 33.3 GBd 64-QAM data. BER values below the FEC-limit for the S, C and L-bands are obtained. The 3dB bandwidth scaling of cascading WSSs is also investigated for a metro-access network.

Original languageEnglish
Title of host publication26th Optoelectronics and Communications Conference (OECC)
PublisherInstitute of Electrical and Electronics Engineers
Number of pages3
ISBN (Electronic)9781943580927
DOIs
Publication statusPublished - 2021
Event26th Optoelectronics and Communications Conference, OECC 2021 - Virtual, Online, Hong Kong, China
Duration: 3 Jul 20217 Jul 2021
Conference number: 26
http://www.oecc2021.org/

Conference

Conference26th Optoelectronics and Communications Conference, OECC 2021
Abbreviated titleOECC 2021
Country/TerritoryChina
CityHong Kong
Period3/07/217/07/21
Internet address

Bibliographical note

Publisher Copyright:
© OSA 2021, © 2021 The Author(s)

Funding

This project has received funding from the European Union's Horizon 2020 research and innovation programme under the Marie Sklodowska-Curie grant agreement 814276. (d) (e) (f) Fig. 3: Fig. 3a: Bandwidth vs number of traversed WSSs. Fig. 3b, Fig. 3c, Fig. 3d Filter shape across the S, C and L-bands respectively. Fig. 3e: Flat Top WSS filter shape [7]. Fig. 3f: Comparison of the normalized bandwidth scaling between this WSS and a Flat Top one. 4. Conclusions In this paper we showed for the first time, the assessment of the MB 1 × 2 WSS operating with higher order modulation formats. We have shown the device operating with 33.3 GBd 64-QAM resulting in a net data-rate of 169.83 Gb/s with a limited OSNR penalty across all tested channels and bands. We have also shown that the passband shape of the WSS had to be modelled according to a two Gaussian sum for matching the experimental results. With this we investigated the filtering and capacity reduction effect on the MB OADM node due to the cascading of multiple WSS, showing that for the case of this device the bandwidth was only 20% of its original value after 20 traversed nodes, which in turn highlights the importance of keeping the number of transparently traversed nodes small or adjusting the spectral response of new photonic integrated WSSs to a flat-top one. 5. Acknowledgements This project has received funding from the European Union’s Horizon 2020 research and innovation programme under the Marie Skłodowska-Curie grant agreement 814276. References

FundersFunder number
Marie Skłodowska‐Curie814276
European Union's Horizon 2020 - Research and Innovation Framework Programme
European Union's Horizon 2020 - Research and Innovation Framework Programme814276
European Union's Horizon 2020 - Research and Innovation Framework Programme

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