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Dual-Operability and Bandwidth Partitioning Enabled by an ONU With Tandem-Modulator |
Journal of Optical Communications and Networking, Vol. 3, Issue 9, pp. 674-682 (2011)
http://dx.doi.org/10.1364/JOCN.3.000674
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Abstract
An upgrade at the physical layer regarding unbundling and dynamic bandwidth provisioning of a wavelength division multiplexed access network is presented. The capability of a reflective modulator to act as a photodetector is exploited and allows a tandem configuration to be used at the optical network unit (ONU) for flexible switching of the detection and modulation branch. Consequently, a mechanism for service operator selection and for dynamic bandwidth partitioning up to twice the nominal data rate is provided. The scheme is experimentally evaluated for different kinds of modulators and shows, together with a full-duplex transmission at 10 Gb/s, additional operation modes, featuring unidirectional downstream and upstream burst-mode transmission with up to 20 Gb/s for ONUs based on a combination of a semiconductor optical amplifier and a reflective electro-absorption modulator.
© 2011 OSA
OCIS Codes
(060.2330) Fiber optics and optical communications : Fiber optics communications
(060.4250) Fiber optics and optical communications : Networks
ToC Category:
Research Papers
History
Original Manuscript: March 3, 2011
Manuscript Accepted: July 4, 2011
Published: August 18, 2011
Citation
Bernhard Schrenk, Johan Bauwelinck, Jose A. Lazaro, Christophe Kazmierski, Xing-Zhi Qiu, and Josep Prat, "Dual-Operability and Bandwidth Partitioning Enabled by an ONU With Tandem-Modulator," J. Opt. Commun. Netw. 3, 674-682 (2011)
http://www.opticsinfobase.org/jocn/abstract.cfm?URI=jocn-3-9-674
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