Laser World of Photonics postponed, conference to continue in digital format
The Laser World of Photonics exhibition due to take place in June, has been postponed until spring next year due to the uncertainty surrounding Covid-19 travel restrictions.
from those limitations of classical coherence and ushers holography into the quantum realm. Using entangled photons offers new ways to create sharper, more richly detailed holograms, which open up new possibilities for practical applications of the technique,’ Defienne continued. ‘One of those applications could be in medical imaging, where holography is already used in microscopy to scrutinise details of delicate samples which are often near- transparent. Our process allows the creation of higher-resolution, lower-noise images, which could help reveal finer details of cells and help us learn more about how biology functions at the cellular level.’ Professor Daniele Faccio, who leads the
university’s group that made the breakthrough and is a co-author of the paper, said: ‘Part of what’s really exciting about this is that we’ve found a way to integrate megapixel digital cameras into the detection system. ‘Many big discoveries in optical quantum
physics in recent years have been made using simple, single-pixel sensors. They have the advantage of being small, quick and affordable, but their disadvantage is that they capture only very limited data about the state of the entangled photons involved in the process. It would take an extraordinary amount of time to capture the level of detail we can collect in a single image,’ Faccio said. ‘The CCD sensors that we’re using give us an unprecedented amount of resolution to play with – up to 10,000 pixels per image of each entangled photon. That means we can measure the quality of their entanglement and the quantity of the photons in the beams with remarkable accuracy,’ Faccio added. ‘The quantum computers and quantum communications networks of the future will require at least that level of detail about the entangled particles they will use. It puts us one step closer to enabling a real step-change in those fast-developing fields. It’s a really exciting breakthrough and we’re keen to build on this success with further refinements.’ The team’s paper, Polarisation entanglement- enabled quantum holography, was published in Nature Physics.
www.electrooptics.com | @electrooptics
The coinciding conference, World of Photonics Congress, will be held in a digital format on the original dates of 20–24 June. ‘One of the main grounds for this decision is the large share of international exhibitors and visitors, accounting for more than half of the total number of participants, a high proportion of whom come from other continents,’ organisers said in a statement. ‘Under the current conditions, holding Laser World of Photonics in June would make it impossible for the trade fair to live up to its standard.’
Messe München decided to postpone
the planned trade fair with the exhibitors’ advisory board. A clear majority of the exhibitors surveyed supported a date change. ‘We support the postponement to April 2022, and are already now looking forward to the time the photonics industry will definitely be able to meet again in person,’ said Dr Wilhelm Kaenders, chairman of the exhibitor advisory board of Laser World of Photonics and member of the board of Toptica Photonics. Dr Reinhard Pfeiffer, deputy chairman of
the board, Messe München, added: ‘With this postponement of the trade fair event, we are creating the basis for a successful in-person international trade fair and following the wishes of our exhibitors and visitors.’ While the trade fair gets new dates,
the scientific congress will be held as an online event on the originally scheduled dates. At the virtual World of Photonic Congress there will be five conferences with more than 40 sub-topics, ranging from fundamental research to applied science.
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