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WP-VD-S Optical Switching Systems Final Review Meeting Brussels, 22 April 2008

WP-VD-S Optical Switching Systems Final Review Meeting Brussels, 22 April 2008. Speaker Institution. WP-VDS: Optical Switching Systems.

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WP-VD-S Optical Switching Systems Final Review Meeting Brussels, 22 April 2008

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  1. WP-VD-S Optical Switching Systems Final Review MeetingBrussels, 22 April 2008 Speaker Institution

  2. WP-VDS: Optical Switching Systems • Scope: foster deep and lasting research integration in optical switching via collaborative R&D actions involving exchange of researchers, joint publications and participation in technical meetings • Leader: Kyriakos Vlachos (RACTI/UPATRAS), Jakob Buron, Martin N. Petersen, and Lars Dittmann (COM-DTU) • Advisory Board: The co-leaders form a mini-advisory board • Partners involved: PoliTo, PoliM,i UniBo, RACTI, IBBT, AIT, COM, NTUA, GET, TuE, SSSUP, PUT, UC3M, UPVLC, TUWien, UPCT, IT, KTH, ORC. TOTAL: 19

  3. Technical Scope Key issues identified by partners as scope of work: • Optical Packet Switching • Optical Buffering • Wavelength Converter Usage Reduction • Optical Signal Monitoring • Packet Compression Techniques • Recovery Switching • Quality of Service in Switches • Physical Impairment Based Switching • Optical Clock Recovery • Wavelength Conversion by Nonlinear Effects • Optical Flip-Flops • Hybrid Optical Switch Architectures • GMPLS Optical Switch Nodes • Contention Resolution Schemes • OTDM Time-slot Switching • Multi-wavelength Regeneration • Optical Cross Connect • 2R Regeneration • OCDM encoders/decoders • Optical Multicast Architecture

  4. VDS organization D.VD-S.1 • Charted a list of key issues and prime research objectives. • Collect Joint Activity project proposal initiated by VDS members. • Progress report on planned research activities and early results assessment. • Yearly report and results of first biennial Joint Activities (JAs)– Results assessment and vision of optical switching – Second biennial plan of Joint Activities (JAs). (D.VD-S.2) – • Progress report on of 2nd biennial Joint Activities and early results assessment. • Final report and results of first and second biennial joint activities Technical meetings D.VD-S.2 Technical meetings D.VD-S.3 D.VD-S.4

  5. Joint Activities I • JA1: Optical Switching Architectures (Participants: PoliTo, PoliMi and UniBo) • JA2: Study of Hybrid Optical Switch Architectures (Participants: RACTI/UPATRAS - IBBT-Ghent University) • JA3: Switch and Buffer Architecture using Quantum Dot (QD) SOAs (Participants: RESIT/AIT - RACTI/UPATRAS) • JA4: Tutorial on Optical Switching Technologies and Architectures(Participants: AIT, COM-DTU, DEIS-UNIBO, GET-ENST, IBBT, ICCS/NTUA, KTH, POLITO, PUT, RACTI/UPATRAS, SSSUP, TUW, UC3M, UPVLC and UPCT.) • JA5: Demonstration and evaluation of a novel all-optical packet envelope detection circuit .(Participants: ICCS/NTUA – RACTI/UPATRAS) • JA6: Experimental demonstration of a simple all-optical clock recovery scheme. (Participants: ICCS/NTUA – RESIT/Athens Information Technology)

  6. Joint Activities II • JA8: Optoelectronic clock recovery (Participants: GET/ENST, DTU-COM) • JA9: Design and modelling of new all-optical architectures for contention resolution in AOLS nodes (Participants: IBBT/UGent, ICCS/NTUA) • JA11: Multi-domain Quality-of-Service in Optical Networks (Participants: SSSUP, COM-DTU) 2nd Year Joint Activities • JA12: Control Algorithms in Multi-plane Photonic Switching Networks (Participants: PoliMi and PUT) • JA13 - Multiple Optical Output Queuing Switching Fabrics (Participants: RACTI/UPATRAS and PUT) • JA14 -Resilience in circuit switched optical networks with node switching capability constraints (Participants: COM-DTU, SSSUP)

  7. Joint Activities III • JA15 - Compatibility analysis of building elements of a label recognition and packet switch set-up. (Participants: ICCS/NTUA, GET/ENST, RACTI/UPATRAS) • JA16 - Electro-optic switching in the access network(Participants: UCAM, TUe, PUT) Joint Experiments • All-optical wavelength conversion using FWM in SOA and incorporated dispersion monitoring technology at 40 Gb/s(Participants: COM-DTU, UPVLC). • All-optical high-speed wavelength converter based on XPM in HNLF(Participants: COM-DTU, TU/e, UPVLC) • 160 Gb/s packet switching experiments (Participants: UPVLC, TU/e)

  8. Main Achievements • Five technical meetings were heldCopenhagen, Paris, Athens, Barcelona, Athens • 38 joint papers are reported • 2 tutorial papers are submitted to Elsevier COMNET (under review) • 1 tutorial proposal on “Photonic in Switching” is submitted to HPSR 2008. • 12 mobility actions took place.

  9. Main Achievements Joint Activities per partner Joint papers per parnter

  10. Main Achievements Sample of Mobility actions: • All-optical high speed wavelength converter based on XPM in HNLF (UPVLC = > DTU) • “Label preference schemes in GMPLS optical networks” (SSSUP => DTU) • “QoS Mechanisms in Label-switched GMPLS Optical Networks” (DTU => SSSUP) • Test and characterize two types of market available integrated switches based on MZI-SOA (IT => UPVLC) • All-optical wavelength conversion by Four Wave Mixing in SOA/HNLF and Investigations on the subcarrier aided monitoring in all-optical switched networks using wavelength conversion. (DTU => UPVLC)

  11. Technical Activities - examples “All-optical high speed wavelength converter based on XPM in HNLF” • Joint-experiment between UPVLC-DTU-TU/e • Responsible partner: Karsten Schulze, UPVLC • Participants: Dr. Martin N. Petersen, DTU, Dr. Javier Herrera, TU/e, Dr. Francisco Ramos, UPVLC • Objective: “Characterisation and performance evaluation of the wavelength converter using XPM in a HNLF and detuned filters”. • Mobility actions: 1 Ph.D. student from UPVLC was hosted by DTU to assist the experiments. Duration of the exchange~3 weeks (February 2007) • Joint papers: 1 joint paper was submitted to ECOC2007.

  12. DeMUX (10 Gb/s) EYE (EO, Q) Tx 80/160 Gb/s 3 dB λ = 1557 nm detuned filters λ = 1542, 1547, 1550 nm 10, 14, 18 dBm Technical Activities - examples Experimental Setup • Principle of operation: • Data pulses induce by XPM an instantaneous frequency shift* over the CW-signal. • With filters detuned from the CW-wavelength, those frequency shifts are filtered, where the pattern coincides with the original data pattern (wavelength conversion) • Parameters under research: • Data-signal power • Filter-detuning • CW-power • CW-wavelength * P.L. Baldeck, R.R. Afano, and G.P. Agrawal, “Induced-frequency shift of copropagating ultrafast optical pulses”, Appl. Phys. Lett 52 (23), June 1988

  13. Results for different filters and their detunings varying data power Detuning: 2 nm Tecos filters (CW: 1547 nm, 14 dBm) Detuning: 1 nm DiCon-filters (CW: 1547 nm, 14 dBm) 10,0 9,5 9,0 9,0 8,5 8,5 8,0 8,0 Q (dB) Q (dB) 7,5 - 0,8 nm 7,5 - 1.0 nm - 1.0 nm 7,0 7,0 - 1.5 nm - 1.5 nm - 2.0 nm 6,5 6,5 - 2.0 nm - 2.5 nm 6,0 - 2.5 nm 6,0 - 3.0 nm - 3.0 nm 5,5 5,5 - 3.5 nm - 3.5 nm 5,0 - 4.0 nm 5,0 - 4.0 nm 4,5 4,5 4,0 4,0 3,5 Detuning: 3 nm Santec filters (CW: 1547 nm, 14 dBm) Detuning: 5 nm Tecos filters (CW: 1547 nm, 14 dBm) 2 4 6 8 10 12 14 3,5 9,0 2 4 6 8 10 12 14 8,5 9,0 8,0 8,5 8,0 7,5 7,5 7,0 7,0 6,5 6,5 - 1.5 nm Q (dB) - 2.0 nm 6,0 6,0 - 1.0 nm - 2.5 nm 5,5 - 1.5 nm 5,5 - 3.0 nm 5,0 - 2.0 nm - 3.5 nm 5,0 - 2.5 nm 4,5 - 4.0 nm - 3.0 nm - 4.5 nm 4,5 4,0 - 3.5 nm - 5.0 nm 3,5 - 4.0 nm 4,0 2 4 6 8 10 12 14 4 6 8 10 12 14 Data power (dBm) Data power (dBm) Q (dB)

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