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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 19, Iss. 26 — Dec. 12, 2011
  • pp: B229–B234

Performance of an optical equalizer in a 10 G wavelength converting optical access network

José Manuel D. Mendinueta, Bowen Cao, Benn C. Thomsen, and John E. Mitchell  »View Author Affiliations


Optics Express, Vol. 19, Issue 26, pp. B229-B234 (2011)
http://dx.doi.org/10.1364/OE.19.00B229


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Abstract

A centralized optical processing unit (COPU) that functions both as a wavelength converter (WC) and optical burst equaliser in a 10 Gb/s wavelength-converting optical access network is proposed and experimentally characterized. This COPU is designed to consolidate drifting wavelengths generated with an uncooled laser in the upstream direction into a stable wavelength channel for WDM backhaul transmission and to equalize the optical loud/soft burst power in order to relax the burst-mode receiver dynamic range requirement. The COPU consists of an optical power equaliser composed of two cascaded SOAs followed by a WC. Using an optical packet generator and a DC-coupled PIN-based digital burst-mode receiver, the COPU is characterized in terms of payload-BER for back-to-back and backhaul transmission distances of 22, 40, and 62 km. We show that there is a compromise between the receiver sensitivity and overload points that can be optimized tuning the WC operating point for a particular backhaul fiber transmission distance. Using the optimized settings, sensitivities of −30.94, −30.17, and −27.26 dBm with overloads of −9.3, −5, and >-5 dBm were demonstrated for backhaul transmission distances of 22, 40 and 62 km, respectively.

© 2011 OSA

OCIS Codes
(060.4510) Fiber optics and optical communications : Optical communications
(060.4259) Fiber optics and optical communications : Networks, packet-switched

ToC Category:
Access Networks and LAN

History
Original Manuscript: October 3, 2011
Revised Manuscript: October 23, 2011
Manuscript Accepted: October 29, 2011
Published: November 18, 2011

Virtual Issues
European Conference on Optical Communication 2011 (2011) Optics Express

Citation
José Manuel D. Mendinueta, Bowen Cao, Benn C. Thomsen, and John E. Mitchell, "Performance of an optical equalizer in a 10 G wavelength converting optical access network," Opt. Express 19, B229-B234 (2011)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-19-26-B229


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References

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