Partner : 14/06/2016 FOTON and its implication in MEUST Joint lab. (UMR) of Univ.-Rennes1, INSA-Rennes and CNRS since 2000

2 14/06/2016 KM3NeT meeting Foton : A lab in Brittany ٥FOTON : Fonctions Optiques pour les Technologies de l’informatiON (Optical functions for the ICT) ٥2 research teams: Lannion ~ 60 people and Rennes ~ 40 people Lannion Rennes 42 Pr. and Ass. Prof. 23 IG & Tech 12 non permanent (5 Postdoc) 29 PhD student Total: ~ 100

3 Foton : A lab in Brittany Foton is member of the cluster Photonics Bretagne including, 50 SME and Companies, laboratories and educational institutions (engineering schools, technical institutes) Industrial employment in Optics at Lannion + 10% / year Employments only in optics (2010) KM3NeT meeting

4 14/06/2016 Main research fields 14/06/ Cutting-edge research where Physics (optics & photonics) meets ICT Science (Telecom systems and sensors networks) Broad research area from materials and basic research to optical transmissions, including also several application domains (Life science, security, industry, etc.). ٥ Photonics for Telecom network systems ٥ Semi-conductor nanostructures for Photonics ٥ Technologies & Photonics devices: Integrated optics and sensors Clean room class 100 and mask aligner

5 14/06/2016 Foton’s technical Platforms ٥ CARACAS: Characterizations and assembling technologies for optoelectronics ٥ CCLO: Design, creating, characterizations of photonics components: Optical fibers, Integrated circuits based in polymers, porous silicon and silica, chalcogenide. Coupling and assembling technologies for components. ٥ PERSYST: Characterizations of components and devices for high bit rate telecom systems. Streams from 10 to 160 Gbit/s, 40 channels WDM on Mega- metric lengths. ٥ NANO-RENNES: Design, fabrication and characterizations of epitaxied materials and of photonic components based on nano-structured semiconductor III-V materials for Silicon photonics.

PERSYST platform (1) ٥ Platform for tEst and Research on optical telecommunications SYSTems (2004) ٥ Public structure offering test-bed facilities for the characterization of components for optical communications. ٥ Its expertise : ٥ Optical transmission systems ٥ 10 Gbit/s : optical access network (transmitter/receiver) ٥ 40 Gbit/s : WDM recirculation loop (40 channels, 100 GHz spacing); Modulation formats (NRZ, RZ, CSRZ, DPSK, DQPSK(56 Gbit/s)) ٥ 160 Gbit/s : Advanced optical functions, recirculation loop ٥ Characterisation of photonic and opto-electronic components in system environment ٥ Chip characterisations (static and dynamic) ٥ High speed electronic interfaces up to 112 Gbit/s (receivers, transeivers based on FPGA, electronics functions for TDM, etc) ٥ Bring electronics capability close to optics 14/06/2016

PERSYST (2) ٥ A well established procedure with the help of juridic services of UR1 (NDA, test quotation, contract). ٥ Open to industrial users (Orange Labs, Ekinops, Metconnex): ٥ Development of 10 Gb/s BURST receiver ٥ Recirculating loop test-bed setting ٥ Electrical driver development for fast tunable laser ٥ 40 Gb/s system characterisation of a reconfigurable optical add dropp multiplexer (WDM loop experiment) ٥ etc ٥ With academics : involved in about 15 national and European programs since 2008 : ٥ Photonics crystals based optical signal processing ٥ Optical sources for access network ٥ Carbon nano-tubes for telecommunications applications ٥ High capacity transmission and regeneration ٥ Etc KM3NeT meeting

Our role in Meust Recently contacted by CPPM for system validations: 1.Lab experiments (march 2013): ٥ Minimum GHz spacing - in the C-band ٥ Equivalent loss and chromatic dispersion of worst case ٥ Continuous data stream at 1 or 10 Gbit/s of Pseudo Random Bit Sequence ( bits) - Non Return to Zero data ٥ Use of the REAM of the project (provided by CPPM): condition of use must be defined (Vpp – rising and falling time etc) ٥ Based on the architecture of the final system (need information on place and type of amplification, receiver information etc.)  Bit Error Rate, eye diagram analysis 2.Final system validation assistance : at CPPM with 80 and the full system (true transmitter, receiver) (summer 2013) 3.Study of the possibility to use ‘Antares’ cable for nodes 4 to 6 (summer 2013) KM3NeT meeting

Equivalent attenuation Typical lab experiment Laser λ1 Laser λ2 Laser λ3 Laser λ4 λ 1, λ 2, λ 3, λ 4 WDM Receiver Equivalent attenuation (Manifold, demux, fiber, etc) WDM Attenuation, Dispersion Equivalent attenuations (couplers, etc) Attenuation, dispersion REAM PRBS 1 Gbit/s  2 2 Node DU Demux One λ after the other

Thank you for your attention KM3NeT meeting

Slides for discussion ٥ Receiver specifications – possible loan of receiver? – or receiver reference ٥ Condition of utilisation of the REAM (Extinction ratio – chirp) ٥ Chromatic dispersion compensation forseen (10 Gb/s and given the chirp of REAM)? ٥ What kind of amplifier (gain, output power, flatness at low input power) ٥ Specifications / number and place of submarine connectors

4 f 2 f 2*9 f 2f 1:16 2: 1 8fois 8+1 Upstream Downstream des nœuds 2et ʎ espacées de 50GHz par fibre Infrastructure 2:4 Sea sciences For time calibration OLT 2: 1 Manifold 1 Manifold 2Manifold 3 Rechange Up stream des nœuds 2 et 3 qui appartiennent à la même Branche DWDM  4DUs par fibre en Upstream -> 8 Upstream  La connexion dans le DU jusqu’au nœud est bidirectionnelle. 2:1 De même pour les autres sorties