Photon 2020 is the major Optics and Photonics conference organised by the Institute of Physics in the UK and the tenth in the biennial series that started in 2002. Photon 2020 will be held at East Midlands Conference Centre, Nottingham, UK from 7-10 September 2020. Over four days, Photon participants will have the opportunity to visit exhibitions on the latest in optics and photonics technology, attend lectures from experts in the field, and get up to date with cutting-edge research. The programme will consist of plenary and invited talks, as well as contributed presentations and posters.