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WP10: Robust transmission for core and metro networks

WP10: Robust transmission for core and metro networks. Involved partners: UCL, PoliTO, TUW, FPMS, UGent, HHI, SIE, UPC, NTUA, UoA, FUB, ACREO, IT, UCAM, ORC List of ongoing activities

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WP10: Robust transmission for core and metro networks

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  1. WP10: Robust transmission for core and metro networks • Involved partners: UCL, PoliTO, TUW, FPMS, UGent, HHI, SIE, UPC, NTUA, UoA, FUB, ACREO, IT, UCAM, ORC List of ongoing activities • Topic 1: Robust modulation and demodulation techniques, and new electronic dispersion/PMD compensation techniques • Topic 2: Stable amplification in all-optical networks and optical burst/packet switched networks • Topic 3: Optical signal monitoring • Topic 4: Investigation of signal tolerance to cascaded routers in all-optical networks

  2. WP10: Robust transmission for core and metro networks • Achievements Topic 1: Robust modulation and demodulation techniques and new electronic dispersion/PMD compensation techniques • Experimental demonstration of reduced penalty with alternate-phase and alternate polarization RZ - M. Forzati et al (Acreo), PTL 16, 10, Oct 2004, S. Appathurai et al (UCL), Electron. Lett. 40, 14, July 2004. • Study of new modulation formats for core and metro networks and S-band transmission experiments - R. Freund et al (HHI), ECOC 2004 paper Tu3.5.1, paper submitted to OFC 2005. • Investigation of electronic dispersion compensation using advanced modulation formats and digital processing - Curri et al (PoliTO), PTL 16, 11, Nov 2004, Curri et al, ECOC 2004 paper We4.P.88, P. M. Watts et al (UCL), Electronics Letters 40, 15, July 2004, P. M. Watts et al, ECOC 2004 paper We4.P.126, R. I. Killey et al (UCL), PTL 2005, R. I. Killey et al, submitted to OFC 2005 • Topic 2: Stable amplification in all-optical networks and optical burst/packet switched networks • Study on Raman amplification (IT)

  3. WP10: Robust transmission for core and metro networks • Achievements Task 3: Optical signal monitoring • Testing of frequency resolved linear optical sampling in an EAM - M. A. F. Roelens et al (ORC), ECOC 2004 paper We4.P.116 • Monitoring of PMD using three-point sampling - Y. Benlachtar et al (UCL), submitted to OFC 2005 • Experimental verification of the new signal histogram derivation technique, using an optical 2R regenerator with steep decision characteristics (UGent). • Task 4: Investigation of signal tolerance to cascaded routers in all-optical networks • Study on 2R all-optical regeneration based on FWM in SOAs - (UoA) paper submitted to PTL • Study on all-optical regeneration using fibre grating-based pulse shaping and fibre nonlinearities – (ORC) paper submitted to OFC 2005 • Completed studies on 2R systems employing o/e regenerators, including the impact of the regenerator on the noise probability distributions and the effects of jitter, and 2R regenerator cascades employing all-optical MZI-SOA based regenerators (NTUA).

  4. WP10 – Milestones and deliverables State of milestones and deliverables (planned and actual delivery dates) Deliverables • D10.1 [T0+6] ‘Key issues for robust transmission in optical networks and final list of JP4 tasks and activities’ Status: Completed August 2004 • D10.2 [T0+13] Intermediate JP4 report on planned activities and first research results, Status: In preparation • D10.3 [T0+24] Final JP4 report: ‘Robust transmission techniques for core and metro networks’ Milestones • M10.1 [T0+3] Designation of the JP4 participating researchers; first draft of actions list, Status: Completed June 2004 • M10.2 [T0+4] First JP4 meeting; definition of the final list of JP4 actions, Status: Completed June 2004 • M10.3 [T0+17] Second JP4 meeting; exchange of research information, refinement of technical tasks, checklist on integration of activities, proposals for joint publications, Status: In preparation

  5. WP10 – Milestones and deliverables Main meetings: online discussions, ONDM 2004 Effort, man months and budget Participant Person-months Budget (KEuros) PoliTO 6 17 TUW 2.5 3 FPMS 6 20.8 UGent 2.2 1.4 HHI 1 15.4 Siemens 5 8 UPC 3 5 FT 3? 12.7 GET 1.8? 9.2 NTUA 1 9 FUB 0.29 9.2 IT 5 6.2 Acreo 0.9 16.5 UCAM 2 10 ORC 1 7 UCL 6 39.4

  6. WP10 – Future plans • Future activities • Continuation of planned work on modulation/demodulation, electronic equalization, robust amplification, optical signal monitoring, and all-optical regeneration. Future meetings and online discussions to increase collaboration between WP10 partners. • UPC/PoliTO/UCL – student exchanges in VD5, to work on electronic equalizer (Antonio Napoli, PoliTO, currently working at UPC). The work carried out in these exchanges will contribute to WP10 • HHI/UCL – collaboration on construction of transmission testbed to investigate robust modulation techniques for simultaneous S-, C- and L-band transmission • Future meetings WP10 progress meeting to be held in London, 17 December 2004 (date to be confirmed). • Possible involvement in the proposal for continuing the NoE after 2 years at the 4th IST Call (March 2005): Continuation of work on transmission techniques for core and metro networks would be possible beyond 2 years

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