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Workshop on the ultrastrong coupling regime


This is the website of the workshop "Present and future trends in ultrastrong light-matter coupling", that will take place on the 2nd and 3rd March 2016 at Chicheley Hall. The workshop is financed by the Royal Society through its International Scientific Seminars scheme.

Bringing together some of the main experts in the domain of ultrastrong light-matter coupling, the workshop aims to boost networking between different sectors of this very diverse community. Since its first observation in 2009, ultrastrong light-matter coupling has been experimentally attained in a number of different physical systems, ranging from intersubband transitions in doped quantum wells to superconducting circuits. This first phase was mainly focused in observing the ultrastrong coupling regime and achieving ever increasing values of the normalised coupling. We are now assisting to a second phase, in which the focus is shifting to explore and exploit the rich phenomenology unique of such an exotic regime. Breakdown of the Purcell effect, increased conductivity, change in structural and chemical properties; many different fascinating physical phenomena have been recently predicted to happen in the ultrastrong coupling regime. The idea behind this workshop is to bring together a critical mass of researchers interested in the most different aspects of nonperturbative light-matter coupling, hoping that novel ideas and fruitful collaborations will originate from the discussions in the beautiful setting of Chicheley Hall, a Georgian country house owned by the Royal Society.


Chicheley Hall

Location and transport

The workshop will take place at Chicheley Hall, home of the Kavli Royal Society International Centre. The nearest rail station is Milton Keynes Central, which is 7 miles from the Kavli Centre. There is a train from London Euston to Milton Keynes Central roughly every 5 minutes, transit time is 30 minutes. The journey time from the station to the Kavli Centre is approximately 20 minutes by taxi. You will find many taxi services directly outside the station. More information on how to reach Chicheley Hall can be found here.

Dates and accommodation

The workshop will start on the morning of the 2nd of March, and it will conclude on the evening of the 3rd. Accommodation and meals are fully covered by the Royal Society, that hosts the event. We can host UK attendees for up to 2 nights, and international attendees for up to 3 nights.


For any information or request please contact Simone De Liberato at

  • Simone De Liberato (University of Southampton)

  • Giacomo Scalari (ETHZ)

Confirmed invited speakers
  • Dario Ballarini (CNRNano)

  • Frank Deppe (Bayerische Akademie der Wissenschaften)

  • Thomas Ebbesen (Université de Strasbourg)

  • Jérôme Faist (ETHZ)

  • Johannes Feist (Universitad Autónoma de Madrid)

  • Elinor Irish (Universty of Southampton)

  • Michael Hartmann (Heriot-Watt University)

  • Jonathan Keeling (St. Andrews)

  • Stéphane Kéna-Cohen (Polytechnique Montréal)

  • Peter Kirton (St. Andrews)

  • Ahsan Nazir (University of Manchester)

  • Enrique Rico (University of the Basque Country)

  • Salvatore Savasta (Università di Messina)

  • Carlo Sirtori (Université Paris-Diderot)


Royal Society      Southampton