My research is aimed at photonic implementations of quantum walks, quantum-enhanced measurement and proof-of concept quantum computational tasks, I have predominantly investigated and developed multi-photon quantum interference in integrated waveguide structures. Harnessing the inherent stability offered by integrated optics has enabled me to observe photonic quantum walks (of indistinguishable photons and of entangled photons to emulate the behaviour of fermions) and to generate multi-photon entangled states designed to beat classical limits of measurement precision with a potentially practical architecture.

Google Scholar list of publications

Selected Publications:

- J. C. F. Matthews, A. Politi, D. Bonneau, J. L. O'Brien ``Heralding Two-Photon and Four-Photon Path Entanglement on a Chip'',

,*Phys. Rev. Lett.***107**, 163602 (2011) - A. Peruzzo, M. Lobino, J. C. F. Matthews, N. Matsuda, A. Politi, K. Poulios, X.-Q. Zhou, Y. Lahini, N. Ismail, K. Wörhoff, Y. Bromberg, Y. Silberberg, M. G. Thompson, J. L. O'Brien, ``Quantum walks of correlated photons''

*Science***329**,1500-1503 (2010) - A. Politi, J. C. F. Matthews, J. L. O'Brien, ``Shor's Quantum Factoring Algorithm on a Photonic Chip''

*Science***325**, 1221-1221 (2009). - J. C. F. Matthews, A. Politi, A. Stefanov, J. L. O'Brien, ``Manipulation of multiphoton entanglement in waveguide quantum circuits''

__Nature Photonics__**3**, 346-350 (2009).

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