- Journal of Optical Communications and Networking
- Vol. 1,
- Issue 4,
- pp. 274-278
- (2009)
- •https://doi.org/10.1364/JOCN.1.000274
Demonstration of Coarse-Fine Grooming in Coarse-WDM-Routed PONs
Y. Shachaf, V. Polo, P. Kourtessis, J. Prat, and J. M. Senior
Author Affiliations
Y. Shachaf,1V. Polo,2P. Kourtessis,1J. Prat,2and J. M. Senior1
1Y. Shachaf (e-mail: y.shachaf@herts.ac.uk), P. Kourtessis, and J. M. Senior are with the Optical Networks Group, Science and Technology Research Institute (STRI), University of Hertfordshire, College Lane Campus, Hatfield AL10 9AB, United Kingdom.
2V. Polo and J. Prat (e-mail: jprat@tsc.upc.edu) are with the Department of Signal Theory and Communications, Universitat Politecnica de Catalunya (UPC), 08034 Barcelona, Spain.
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Get CitationCopy Citation TextY. Shachaf, V. Polo, P. Kourtessis, J. Prat, and J. M. Senior, "Demonstration of Coarse-Fine Grooming in Coarse-WDM-Routed PONs," J. Opt. Commun. Netw.1, 274-278 (2009)Export Citation
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- Regular Papers
Optics & Photonics TopicsThe topics in this list come from theOptics and Photonics Topics applied to this article.- Arrayed waveguide gratings
- Optical networks
- Passive optical networks
- Semiconductor optical amplifiers
- Time division multiplexing
- Wavelength division multiplexing
- History
- Original Manuscript: December 10, 2008
- Revised Manuscript: April 29, 2009
- Manuscript Accepted: May 7, 2009
- Published: August 17, 2009
Abstract
A scalable access network architecture is implemented experimentally to demonstrate gradual deployment of time- and wavelength-division-multiplexed passive optical networks (PONs) in a single-platform with minor changes in fiber infrastructure. This is achieved by the application of dynamic coarse-fine grooming to route multiple reflective optical network units of either time- or wavelength-multiplexed PONs collectively through coarse passbands of an arrayed waveguide grating (AWG). To evaluate experimentally the contribution of the excessive properties of wider-than-dense-passband AWGs to network performance, a readily available 2.7 nm device is utilized to substitute for 7 nm coarse-AWG prototypes. Experimental results have confirmed 10−9 bidirectional transmission of data and continuous waves over 2.7-nm-wide passband windows of the AWG in the presence of 0.35 nm polarization-dependent wavelength shift and 1.5 dB polarization-dependent loss. In addition, Rayleigh backscattering is reported to be incapable of limiting the network performance.
© 2009 Optical Society of America
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