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DTSTAMP:20260405T175404Z
UID:1728982800@ist.ac.at
DTSTART:20241015T110000
DTEND:20241015T120000
DESCRIPTION:Speaker: Stefan Rotter\nhosted by Maksym Serbyn and Johannes Fi
 nk\nAbstract: In my talk\, I will discuss recent progress in applying the 
 concept of classical and quantum Fisher information to the problem of esti
 mating system parameters in complex environments\, such as inside or behin
 d a disordered medium. In particular\, I will demonstrate how Fisher Infor
 mation can be maximised through wavefront shaping and quantum state engine
 ering \\[1\,2\\]. Quite interestingly\, the density and flux of Fisher inf
 ormation satisfy a fundamental continuity equation - in analogy to the Poy
 nting theorem for the density and flux of energy in a radiation field \\[3
 \\]. If time permits\, I will also say a few words about how such concepts
  can be generalised to the flow of Fisher Information through Artificial N
 eural Networks.\\[1\\] Maximum information states for coherent scattering 
 measurements\, D. Bouchet\, S. Rotter\, and A. P. Mosk\, Nature Physics 17
 \, 564 (2021).\\[2\\] How to find optimal quantum states for optical micro
 manipulation and metrology in complex scattering problems\, L. M. Rachbaue
 r\, D. Bouchet\, U. Leonhardt\, and S. Rotter\, J. Opt. Soc. Am. B 41\, 21
 22 (2024)\\[3\\] Continuity equation for the flow of Fisher information in
  wave scattering\, J. Hüpfl\, F. Russo\, L. M. Rachbauer\, D. Bouchet\, J
 . Lu\, U. Kuhl\, and S. Rotter\, Nature Physics 20\, 1294 (2024)
LOCATION:Moonstone Building/Ground Floor/ Seminar Room F\, ISTA
ORGANIZER:Stephanie.Dolot@ist.ac.at
SUMMARY:Stefan Rotter: "The concept of Fisher information in wave scatterin
 g"
URL:https://talks-calendar.ista.ac.at/events/5243
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