Versatile Link F Vasey CERN On Behalf of
Versatile Link F. Vasey, CERN On Behalf of the Versatile Link Project Mini Opto Workshop, 5 th March 2010 5 Mar 2010 francois. vasey@cern. ch 0
Versatile Link Project Description ● ● ● Optical Physical layer linking front- to back-end Bidirectional, ~5 Gbps Versatile ● ● Matching SLHC tracker environment, plus others Joint Project (CERN, Fermilab, Oxford, SMU) ● ● Versatile Link Multimode (850 nm) and Singlemode (1310 nm) versions Point to Point and Point to Multipoint architectures BE FE 5 Mar 2010 francois. vasey@cern. ch 1
Template TRx: SFP+ Transceiver Versatile Link ● ● ● Bi-directional Module with connector interface ● ● Based upon an acknowledged standard Work with Industrial partner early-on MM 850 nm & SM 1310 nm versions Bitrate 2. 5 – 10 Gbps Fast access to hardware Easy distribution to integrators Customization in second step 5 Mar 2010 francois. vasey@cern. ch 2
Evolution: Front End Transceiver, VTRx Versatile Link TRx GBTIA ROSA TOSA ● ● ● Minimize material, avoid metals 2 Tx Non-magnetic, capable of operating in a magnetic field ● ● ● GBLD Low Mass & Volume Requires replacement of ferrite bead used in laser bias network TOSA ROSA Bitrate determined by ASICs: 5 – 10 Gbps 850 nm and 1310 nm flavours 5 Mar 2010 TOSA GBLD francois. vasey@cern. ch 3
Evolution: Backend Transceiver Versatile Link SFP+ TRx SNAP 12 4 TRx or 12 Rx • Test Equipment Procured and Test Lab Configured • Evaluation of SFP+ 10 Gbps Transceivers @ 850 and 1310 nm (ongoing) • Evaluation of array components @850 and 1310 nm (ongoing) • Partnership with Vendor for dense light engine Prototyping (ongoing) 5 Mar 2010 francois. vasey@cern. ch 4
The Versatile Link Project Roadmap ● Project proposal submitted to ATLAS and CMS SLHC upgrade steering groups in Nov 07 ● Project endorsed by ATLAS and CMS in early 2008 ● Kick-off Meeting 10 Apr 2008 ● 3 phases of 18 months each Versatile Link ● phase 1 proof of concept based on tentative specifications, partial tests and early prototypes ● Apr 08 – Sep 09 ● Phase 1 closeout meeting 20 th Sept ● Phase 2: feasibility demonstration based on complete specifications and exhaustive tests on final prototypes ● Oct 09 – Apr 11 ● 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 ● Apr 11 – Oct 12 5 Mar 2010 francois. vasey@cern. ch 5
Next Steps (2010 -2011) ● ● Versatile Link Optical Subassemblies (ROSA) Packages (VTRx, Light Engine) GBTIA ROSA TOSA ● Specifications ● Testing (characterization, irradiation (SEU, TID, TF), comparison) ● Prototypes distribution for evaluation BE FE 5 Mar 2010 GBLD francois. vasey@cern. ch 6
Components and Subassemblies Versatile Link ROSA TOSA Phase 1 (2008 -09) Proof of concept Phase 2 (2009 -11) Feasibility GBTIA ROSA TOSA 5 Mar 2010 francois. vasey@cern. ch GBLD 7
Credits and References ● ● Versatile Link 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 ● ● 5 Mar 2010 Jingbo Ye, Andie Liu, Kent Liu, Annie Xiang The radiation tolerance of specific optical fibres exposed to 650 k. Gy(Si) of ionizing radiation, 2009 JINST 4 P 0710, published The Versatile Link, A Common Project For Super-LHC, JINST_002 P_0709, to be published https: //espace. cern. ch/project-versatile-link/public/default. aspx francois. vasey@cern. ch 8
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