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ACEOLE WP4

ACEOLE WP4. Optical Transmission Systems for SLHC Experiments 4 Associated Partners: Henrique Salgado INESC (P) Marco Van Ueffelen, Wouter de Cock SCK.CEN (BE) Izzat Darwazeh UCL (UK) Pentti Karioja VTT (FI) 5 Researchers: Sergio Silva (ER) Sarah Seif el Nasr (ESR)

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ACEOLE WP4

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  1. ACEOLE WP4 Optical Transmission Systems for SLHC Experiments 4 Associated Partners: Henrique Salgado INESC (P) Marco Van Ueffelen, Wouter de CockSCK.CEN (BE) Izzat Darwazeh UCL (UK) Pentti Karioja VTT (FI) 5 Researchers: Sergio Silva (ER) Sarah Seif el Nasr (ESR) Spyros Papadopoulos (ESR) Ioannis Papakonstantinou (ER) Hans Versmissen, Paul Haight (ESR) CERN Supervisor: Jan Troska Workpackage Leader: Francois Vasey

  2. Optical Links for High Energy Physics Experiments Upstream Extract raw data from the detector, feed processing electronics situated in shielded and accessible area Downstream Distribute clock and control data

  3. From LHC to SLHC • For the first time in High Energy Physics, optical links were used systematically and on a massive scale at CERN-LHC • At SLHC, requirements will increase by an order of magnitude (bitrate, radiation tolerance, etc.) • ACEOLE allows us to prepare for that challenge at the level of components and system architecture

  4. Optical Link Components for SLHC: Transceivers Front End Back End • COTS • 10 Gbps • Low Mass & Volume • Minimize material, avoid metals • Non-magnetic, capable of operating in a magnetic field • Requires replacement of ferrite bead used in laser bias network • Radiation Resistant • Bitrate determined by ASICs: 5 – 10 Gbps FE BE

  5. Front End Transceiver, Versatile-TRx J. Troska CERN Hans, Paul ROSA TOSA Sergio Sarah

  6. Optical Link Architectures for SLHC Point-to-Point Point-to-Multipoint Hans, Paul Ioannis Spyros Passive Optical Network

  7. International Presentations and Publications • [1] Silva, S. et al, “VCSEL Laser Characterization and Modelling for Future Optical Transceiver at the Super Large Hadron Collider”, Proceedings of the 11th International Conference on Transparent Optical Networks (ICTON09), June 2009. • [2] Papadopoulos, S. et al, “Passive Optical Networks for Particle Physics Applications”, presented at the London Communications Symposium (LCS09), August 2009. • [3] Silva, S. et al, “Characterization of Semiconductor Lasers for Radiation Hard High Speed Transceivers”, Proceedings of the Topical Workshop on Electronics for Particle Physics (TWEPP09), September 2009. • [4] Papakonstantinou, I. et al, “Passive Optical Networks in Particle Physics Experiments”, Proceedings of the Topical Workshop on Electronics for Particle Physics (TWEPP09), September 2009. • [5] Papakonstantinou, I. et al, “Passive Optical Networks for Timing-Trigger and Control Applications in High Energy Physics Experiments”, Proceedings of the IEEE Real Time Conference (RT10), May 2010. • [6] Papakonstantinou, I. et al, “A Passive Optical Network with Latency Monitoring Capability for the Distribution of Timing-Trigger and Control Signals in High Energy Physics Experiments”, Paper submitted to IEEE Transactions on Nuclear Science.

  8. Secondment • Sergio Silva @ INESC • 2-19 Dec 2008, 2-19 Mar 2009 • Spyros Papadopoulos @ UCL • 26 Jan – 20 Mar 2009, 5 – 19 May 2010, 19 Jul – 18 Sept • Hans Versmissen @ VTT • 15 Oct – 11 Dec 2009

  9. Training by Visiting Scientists • 15-16 June 2009 • John Mitchell, UCL • The where, why and how of optical access • Under the bonnet of EPON, GPON and NG-PON • 8-9 Feb 2010 • Henrique Salgado, INESC • Optical sources, photodetectors and device characterization • Extraction and optimization of intrinsic semiconductor laser parameters

  10. WP4 Training Value • Optical communication enables and sustains today’s social, economical and technical way of life • High speed optical links are a pervasive technology, soon to reach everybody’s desktop • Passive optical networks are bringing fibre to the home • Collaborative environments such as CERN’s are necessary to meet global challenges

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