Abstract

The effectiveness of using all-optical wavelength converters (AO-WCs) to improve optical network utilization is evaluated by performing both network simulations and experiments. The employed AO-WCs enable format-agnostic and multi-channel operations, in which the wavelengths of multiple input channels are simultaneously shifted by the same amount. Such unique features are not available in conventional optical–electrical–optical-conversion-based wavelength converters (OEO-WCs). Network simulations show that the wavelength conversion can double the network utilization (the carried traffic), while the number of required wavelength converters can be significantly reduced by 60% by employing AO-WCs instead of OEO-WCs. In addition, simulation results confirm the importance of AO-WC cascadability for achieving low blocking probabilities. Our simulation analysis also identifies an optimum AO-WC specification value, the maximum wavelength shift, for maximizing sharing of the installed AO-WCs. In the experiment, the performance of a prototyped AO-WC is evaluated under a realistic network setup employing a wavelength-selective-switch-based optical node installing the AO-WC and fiber transmission lines. Wavelength division multiplexing signals of different modulation formats, including dual-polarization quadrature phase shift keying (DP-QPSK), dual-polarization 16 quadrature amplitude modulation (DP-16QAM), and on−off keying (OOK), spanning over a 1000 GHz bandwidth are successfully shifted simultaneously by 1400 GHz or 200 GHz without significant signal quality degradation, confirming the guard-band-less, multi-channel, and modulation-format/line-rate-agnostic capabilities of the AO-WC.

© 2018 Optical Society of America

Full Article  |  PDF Article
OSA Recommended Articles
All-optical wavelength conversion for mode division multiplexed superchannels

Jiaxin Gong, Jing Xu, Ming Luo, Xiang Li, Ying Qiu, Qi Yang, Xinliang Zhang, and Shaohua Yu
Opt. Express 24(8) 8926-8939 (2016)

Split spectrum: a multi-channel approach to elastic optical networking

Ming Xia, R. Proietti, Stefan Dahlfort, and S. J. B. Yoo
Opt. Express 20(28) 29143-29148 (2012)

Design and evaluation of quasi-Nyquist WDM networks utilizing widely deployed wavelength-selective switches

Ryuta Shiraki, Yojiro Mori, Hiroshi Hasegawa, and Ken-ichi Sato
Opt. Express 27(13) 18549-18560 (2019)

References

You do not have subscription access to this journal. Citation lists with outbound citation links are available to subscribers only. You may subscribe either as an OSA member, or as an authorized user of your institution.

Contact your librarian or system administrator
or
Login to access OSA Member Subscription

Cited By

You do not have subscription access to this journal. Cited by links are available to subscribers only. You may subscribe either as an OSA member, or as an authorized user of your institution.

Contact your librarian or system administrator
or
Login to access OSA Member Subscription

Figures (11)

You do not have subscription access to this journal. Figure files are available to subscribers only. You may subscribe either as an OSA member, or as an authorized user of your institution.

Contact your librarian or system administrator
or
Login to access OSA Member Subscription

Tables (3)

You do not have subscription access to this journal. Article tables are available to subscribers only. You may subscribe either as an OSA member, or as an authorized user of your institution.

Contact your librarian or system administrator
or
Login to access OSA Member Subscription