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Seminar: Morgan Mitchell
Friday, 07 November 2014

Quantum metrology in the age of applications 

Morgan Mitchell

Insituto de Ciencias Fotónicas (ICFO), Barcelona 

FRIDAY 7/11 11hs
AULA FEDERMAN, DEPARTAMENTO DE FISICA, FCEYN
1ST FLOOR, PABELLON 1, CIUDAD UNIVERSITARIA

 

Abstract: "Quantum Metrology" uses quantum information resources, e.g. entanglement, to improve the sensitivity of quantum-limited measurements. This field began with gravitational wave detection, with theory proposals in the 1970s, then proof-of-principle experimental results in the 1980s, prototype instruments in the 2000s, and now application to full-scale gravitational-wave detectors since 2011. Application of quantum metrology to atomic instruments is a very active area that could improve measurements of time, electric, magnetic, and radio-frequency fields, and acceleration. I will discuss the situation for quantum enhanced measurements of magnetic fields, including some proof-of-principle experiments, some open questions, and some challenges to the "standard model" of quantum metrology.
 
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