Boosting light-based computing

phys.org | 4/24/2019 | Staff
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University of Twente spinoff company QuiX is currently developing a photonic chip using the quantum properties of light for carrying out complex calculations. The new chip, of which a first version is already operational, calculates using light, photons, and will be an attractive platform for discovering the potential of quantum computing and for experimenting with new ways of calculating. Further development of the photonics processor will be made possible through an investment by Oost NL, University of Twente and some informal investors.

The power of quantum computers holds great promise. Compared to current computer systems, quantum computers don't work with ones and zeroes exclusively, but also exploit the interference of quantum states. The number of possible states is therefore much higher. This may result in powerful computers capable of dealing with complex problems that can be solved in a parallel way, such as elucidating the full functionality of a molecule, finding the best key for information protection or discovering highly personalized medicine. The expectations may be high, but experiments with new hardware and software are still in their infancy.

QuiX - Aims - Quantum - Properties - Photons

QuiX aims at changing this by using the quantum properties of photons. Most of today's quantum computers use qubits as information carriers based on quantum properties of electrons. Qubits, however, only operate at temperatures close to zero Kelvin (-273 degrees Celsius). By using light instead, quantum effects are possible at room temperature.

The photonic chip, for which UT scientists Pepijn Pinkse, Ad Lagendijk, Willem Vos, Klaus Boller and Jelmer Renema founded the company QuiX, is not aiming at the consumer market, but at scientists and industrial R&D, for discovering the potential of quantum computing and developing...
(Excerpt) Read more at: phys.org
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