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SUMMARY:Towards a many-body physics of light
DTSTART:20171121T123000
DTEND:20171121T140000
DTSTAMP:20260916T055359Z
UID:cd46a570c0c63888a065fdfd44155a2d8e98bf1cc3022d58bf6f4463
CATEGORIES:Conferences - Seminars
DESCRIPTION:Prof. Vincenzo Savona\nOne of the most recent frontiers in qua
 ntum optics is the study of many body physics of light. Photons\, in reson
 ant nanostructures\, can be made strongly interacting thanks to tailored o
 ptical nonlinearities that are enhanced by strong light confinement. As a 
 result\, model many-body quantum systems can be conceived and are currentl
 y realized with superconducting circuits in the microwave range\, while ra
 pid progress is being made to achieve a similar goal in the range of optic
 al wavelengths. After reviewing the main concepts and milestone results in
  this emerging field\, I will present two of our research lines. The first
  is aimed at optimizing photonic nanostructures in order to achieve strong
  photon nonlinearities. The second is a study of the prototypical driven-d
 issipative Bose-Hubbard model on a lattice. When in presence of two-photon
  driving fields\, this model is characterized by a local Z2 symmetry\, and
  displays a second order\, dissipative phase transition\, which simulates 
 the physics of the Ising model. This setting could be generalized\, in vie
 w of an all-optical quantum simulator.
LOCATION:BSP 234 https://plan.epfl.ch/?room==BSP%20234
STATUS:CONFIRMED
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