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Versatile Link Project Description

Versatile Link F. Vasey, CERN On Behalf of the Versatile Link Project Mini Opto Workshop, 5th March 2010. Versatile Link Project Description. Optical Physical layer linking front- to back-end Bidirectional, ~5Gbps Versatile Multimode (850nm) and Singlemode (1310nm) versions

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Versatile Link Project Description

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  1. Versatile Link F. Vasey, CERN On Behalf of the Versatile Link Project Mini Opto Workshop, 5th March 2010 francois.vasey@cern.ch

  2. Versatile Link Project Description • Optical Physical layer linking front- to back-end • Bidirectional, ~5Gbps • Versatile • Multimode (850nm) and Singlemode (1310nm) versions • Point to Point and Point to Multipoint architectures • Matching SLHC tracker environment, plus others • Joint Project (CERN, Fermilab, Oxford, SMU) BE FE francois.vasey@cern.ch

  3. Template TRx: SFP+ Transceiver • Bi-directional Module with connector interface • Based upon an acknowledged standard • Work with Industrial partner early-on • MM 850nm & SM 1310nm versions • Bitrate 2.5 – 10 Gbps • Fast access to hardware • Easy distribution to integrators • Customization in second step francois.vasey@cern.ch

  4. GBTIA ROSA TOSA GBLD ROSA TOSA GBLD Evolution: Front End Transceiver, VTRx TRx • 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 • Bitrate determined by ASICs: 5 – 10 Gbps • 850nm and 1310nm flavours 2Tx TOSA TOSA francois.vasey@cern.ch

  5. Evolution: Backend Transceiver SFP+ TRx SNAP12 4TRx or 12Rx • Test Equipment Procured and Test Lab Configured • Evaluation of SFP+ 10 Gbps Transceivers @ 850 and 1310 nm (ongoing) • Evaluation of array components @850 and 1310nm (ongoing) • Partnership with Vendor for dense light engine Prototyping (ongoing) francois.vasey@cern.ch

  6. The Versatile Link Project Roadmap • Project proposal submitted to ATLAS and CMS SLHC upgrade steering groups in Nov07 • Project endorsed by ATLAS and CMS in early 2008 • Kick-off Meeting 10 Apr 2008 • 3 phases of 18 months each • phase 1 proof of concept based on tentative specifications, partial tests and early prototypes • Apr08 – Sep 09 • Phase 1 closeout meeting 20th Sept • Phase 2: feasibility demonstration based on complete specifications and exhaustive tests on final prototypes • Oct 09 – Apr11 • Specs and procedures • Tests and Results • List of COTS components and suppliers • Test-systems and Prototype custom components • Phase 3: specifications freeze, pre-production readiness, technico-commercial actions • Apr11 – Oct12 francois.vasey@cern.ch

  7. GBTIA ROSA TOSA GBLD Next Steps (2010-2011) • Optical Subassemblies (ROSA) • Packages (VTRx, Light Engine) • Specifications • Testing (characterization, irradiation (SEU, TID, TF), comparison) • Prototypes distribution for evaluation BE FE francois.vasey@cern.ch

  8. GBTIA ROSA TOSA GBLD Components and Subassemblies ROSA TOSA Phase 1 (2008-09) Proof of concept Phase 2 (2009-11) Feasibility GBTIA ROSA francois.vasey@cern.ch

  9. Credits and References • CERN • Jan Troska, Luis Amaral, Stefanos Dris, Alberto Jimenez Pacheco, Sarah Seif el Nasr, Christophe Sigaud, Sergio Silva, Csaba Soos, Pavel Stejskal, François Vasey • Fermilab • Alan Prosser, Mark Bowden, John Chramowicz • Oxford, IPAS, CERN • Todd Huffman, K. Dunn, Alex Gerardin, Cigdem Issever, S.C. Lee, Z. Liang, Z. Meng, A. Povey, Tony Weidberg • Southern Methodist University • Jingbo Ye, Andie Liu, Kent Liu, Annie Xiang • The radiation tolerance of specific optical fibres exposed to 650 kGy(Si) of ionizing radiation, 2009 JINST 4 P0710, published • The Versatile Link, A Common Project For Super-LHC, JINST_002P_0709, to be published • https://espace.cern.ch/project-versatile-link/public/default.aspx francois.vasey@cern.ch

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