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Quantum Dot Technologies for Extended Reach Nodes In Access Networks (QUATERNIAN)
Start date: Feb 1, 2013, End date: Jun 30, 2015 PROJECT  FINISHED 

"The QUATERNIAN project will use quantum-dot laser technology to expand the product ranges and support the competitive position of European SMEs selling into optical access network markets. Access networks based on optical technologies are rapidly growing, as traditional copper based networking proves overly complex, energy inefficient and has high maintenance cost. With the advent of high-speed mobile computing devices, broadband connectivity is required both through fixed connections at the premises and through wireless connections. The latter requirement is often not provided by carrier networks as deep building penetration is incompatible with wide area cell networks. The QUATERNIAN project will advance the position of SMEs supplying equipment both for rapidly growing high-speed wired optical access networks and high-speed radio-over-fibre (RoF) building access networks.Quantum Dot laser materials grown on Gallium Arsenide substrates give a generational advance in the control of the carrier density of states. This material advance has led to significant device technology advances in the critical wavelength range of 1.1 to 1.3 microns. This wavelength range is crucial both for low-cost wired passive optical networks and advanced multiple antenna systems. The research performing partners are leaders in the study and development of quantum dot devices and systems. Through the QUATERNIAN proposal these research performing institutions will assist these high-growth SMEs in the adoption and further development of quantum dot technology.The QUATERNIAN project strengthens the competitiveness of the European economy, the sustainability of the European research area and maintains European technology leadership."

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