{"content":[{"text":"Giant photoelasticity of polaritons for detection of coherent phonons \n in a superlattice with quantum sensitivity","bbox":{"left":0.205839,"top":0.090332,"width":0.587704,"height":0.04425600000000002}},{"text":"Michal Kobecki,1 Alexey V. Scherbakov,1,2 Serhii M. Kukhtaruk,1,3 Dmytro D. Yaremkevich,1 \n Tobias Henksmeier,4 Alexander Trapp,4 Dirk Reuter,4 Vitaly E. Gusev,5 Andrey V. Akimov,6 \n and Manfred Bayer1,2","bbox":{"left":0.120379,"top":0.163144,"width":0.7591479999999999,"height":0.06864999999999999}},{"text":"1Experimentelle Physik 2, Technische Universität Dortmund, D-44227 Dortmund, Germany \n 2Ioffe Institute, Russian Academy of Sciences, 194021 St. Petersburg, Russia \n 3Department of Theoretical Physics, V.E. Lashkaryov Institute of Semiconductor Physics, 03028 \n Kyiv, Ukraine \n 4Department Physik, Universität Paderborn, 33098 Paderborn, Germany \n 5Laboratoire d’Acoustique de l’Uiversité du Mans (LAUM), UMR 6613, Institut d’Acoustique - \n Graduate School (IA-GS), CNRS, Le Mans Université, Le Mans, France \n 6School of Physics and Astronomy, University of Nottingham, Nottingham NG7 2RD, UK","bbox":{"left":0.111107,"top":0.262464,"width":0.776718,"height":0.190417}},{"text":"ABSTRACT","bbox":{"left":0.448582,"top":0.557053,"width":0.10520100000000004,"height":0.019013999999999975}},{"text":"The functionality of phonon-based quantum devices largely depends on the efficiency of interaction \n of phonons with other excitations. For phonon frequencies above 20 GHz, generation and detection \n of phonon quanta can be monitored through photons. The photon-phonon interaction can be \n enormously strengthened by involving an intermediate resonant quasiparticle, e.g. an exciton, with \n which a photon forms a polariton. In this work, we discover giant photoelasticity of exciton-polaritons \n in a short-period superlattice and exploit it for counting propagating acoustic phonons. We \n demonstrate that 42 GHz coherent phonons can be detected with extremely high sensitivity in the time \n domain Brillouin oscillations by probing with photons in the spectral vicinity of the polariton \n resonance.","bbox":{"left":0.095142,"top":0.606226,"width":0.812182,"height":0.2157429999999999}}],"images_bbox":[],"images_bbox_not_text_overlap":[]}