The University of Southampton
Telephone:
+442380599264
Email:
S.De-Liberato@soton.ac.uk

Dr Simone De Liberato

I am a theoretical physicist and an entrepreneur. I did most of my studies in Paris and after a postdoc in Tokyo I was appointed Lecturer in Physics and Astronomy in 2012. In 2013 I was awarded a Royal Society Research fellowship and in 2014 I was promoted to Associate Professor. On the research side my activity focussed on the investigation of light-matter coupling in semiconductor nanostructures, with particular interest on systems in which the interaction between light and matter becomes non-perturbative, leading to novel exotic physics. On the entrepreneurial side I created two successful research startups, Hypios and AdQuantic, and collaborated with a few more.

Publications

Günter, G., Anappara, A.A., Hees, J., Sell, A., Biasiol, G., Sorba, L., De Liberato, S., Ciuti, C., Tredicucci, A., Leitenstorfer, A. and Huber, R. (2009) Sub-cycle switch-on of ultrastrong light–matter interaction. Nature, 458 (7235), 178-181. (doi:10.1038/nature07838).

Carusotto, I., Gerace, D., Tureci, H., De Liberato, S., Ciuti, C. and Imamoǧlu, A. (2009) Fermionized photons in an array of driven dissipative nonlinear cavities. Physical Review Letters, 103 (3), [4pp.]. (doi:10.1103/PhysRevLett.103.033601).

Anappara, Aji A., De Liberato, Simone, Tredicucci, Alessandro, Ciuti, Cristiano, Biasiol, Giorgio, Sorba, Lucia and Beltram, Fabio (2009) Signatures of the ultrastrong light-matter coupling regime. Physical Review B, 79 (20), [4pp.]. (doi:10.1103/PhysRevB.79.201303).

Scalari, G., Maissen, C., Turcinkova, D., Hagenmuller, D., De Liberato, S., Ciuti, C., Reichl, C., Schuh, D., Wegscheider, W., Beck, M. and Faist, J. (2012) Ultrastrong coupling of the cyclotron transition of a 2D electron gas to a THz metamaterial. Science, 335 (6074), 1323-1326. (doi:10.1126/science.1216022).

De Liberato, Simone and Ciuti, Cristiano (2009) Stimulated scattering and lasing of intersubband cavity polaritons. Physical Review Letters, 102 (13), [4pp.]. (doi:10.1103/PhysRevLett.102.136403).

Cirio, Mauro, De Liberato, Simone, Lambert, Neill and Nori, Franco (2016) Ground state electroluminescence. Physical Review Letters, 116 (113601), 1-7. (doi:10.1103/PhysRevLett.116.113601).

Cwik, Justyna A., Kirton, Peter, De Liberato, Simone and Keeling, Jonathan (2016) Excitonic spectral features in strongly-coupled organic polaritons. Physical Review A, 93 (33840), 1-12. (doi:10.1103/PhysRevA.93.033840).

Gubbin, Christopher, Martini, Francesco, Politi, Alberto, Maier, Stefan and De Liberato, Simone (2016) Coherent coupling between localised and propagating phonon polaritons. Physical Review Letters, 116. (doi:10.1103/PhysRevLett.116.246402).

De Liberato, Simone (2014) Light-matter decoupling in the deep strong coupling regime: the breakdown of the Purcell Effect. Physical Review Letters, 112 (16401), 1-5. (doi:10.1103/PhysRevLett.112.016401).

Gubbin, Christopher, Maier, Stefan A. and De Liberato, Simone (2016) Real-space Hopfield diagonalization of inhomogeneous dispersive media. Physical Review B, 94, 1-9. (doi:10.1103/PhysRevB.94.205301).

Gubbin, Christopher R., Maier, Stefan A. and De Liberato, Simone (2017) Theoretical investigation of phonon polaritons in SiC micropillar resonators. Physical Review B, 95 (35313), 1-9. (doi:10.1103/PhysRevB.95.035313).

Gubbin, Christopher and De Liberato, Simone (2017) Theory of nonlinear polaritonics: χ(2) scattering on a β-SiC surface. ACS Photonics. (doi:10.1021/acsphotonics.7b00020).

Cortese, Erika, Lagoudakis, Pavlos and De Liberato, Simone (2017) Collective optomechanical effects in cavity quantum electrodynamics. Physical Review Letters, 1-6. (In Press)

Brodbeck, Sebastian, De Liberato, Simone, Amthor, M., Klass, M., Kamp, M., Worschech, L., Schneider, C. and Höfling, S. (2017) Experimental verification of the very strong coupling regime in a GaAs quantum well microcavity. Physical Review Letters, 17. (doi:10.1103/PhysRevLett.119.027401).

Shammah, Nathan, Lambert, Neill, Nori, Franco and De Liberato, Simone (2017) Superradiance with local phase-breaking effects. Physical Review A, 96. (doi:10.1103/PhysRevA.96.023863).

Garziano, Luigi, Ridolfo, Alessandro, De Liberato, Simone and Savasta, Salvatore (2017) Cavity QED in the ultrastrong coupling regime: photon bunching from the emission of individual dressed qubits. ACS Photonics, 4 (9), 2345–2351. (doi:10.1021/acsphotonics.7b00635).

Cortese, Erika, Garziano, Luigi and De Liberato, Simone (2017) Polariton spectrum of the Dicke-Ising model. Physical Review A, 1-14. (doi:10.1103/PhysRevA.96.053861).

Gubbin, Christopher R. and De Liberato, Simone (2018) Theory of four-wave-mixing in phonon polaritons. ACS Photonics, 5 (2), 284–288. (doi:10.1021/acsphotonics.7b00863).

De Liberato, Simone (2017) Virtual photons in the ground state of a dissipative system. Nature Communications, 8. (doi:10.1038/s41467-017-01504-5).

De Liberato, Simone (2018) Lasing from dressed dots. Nature Photonics, 12. (doi:10.1038/s41566-017-0074-3).

Grant, Richard T., Jayaprakash, Rahul, Coles, David M., Musser, Andrew, De Liberato, Simone, Samuel, Ifor D.W., Turnbull, Graham A., Clark, Jenny and Lidzey, David G. (2018) Strong coupling in a microcavity containing β- carotene. Optics Express, 26 (3), 3320-3327. (doi:10.1364/OE.26.003320).

Liew, T.C.H., Rubo, Y.G., Sheremet, A.S., De Liberato, Simone, Shelykh, I.A., Laussy, F.P. and Kavokin, Alexey (2016) Quantum statistics of bosonic cascades. New Journal of Physics, 18, 1-10. (doi:10.1088/1367-2630/18/2/023041).

Manceau, J.-M., Tran, N.L., Biasol, G., Laurent, T., Sagnes, I., Beaudoin, G., De Liberato, S., Carusotto, I. and Colombelli, R. (2018) Resonant intersubband polariton-LO phonon scattering in an optically pumped polaritonic device. Applied Physics Letters, 112. (doi:10.1063/1.5029893).

Berte, Rodrigo, Gubbin, Christopher R., Wheeler, Virginia D., Giles, Alexander J., Giannini, Vincenzo, Maier, Stefan A., De Liberato, Simone and Caldwell, Joshua D. (2018) Sub-nanometer thin oxide film sensing with localized surface phonon polaritons. ACS Photonics. (doi:10.1021/acsphotonics.7b01482).

Sanchez Munoz, Carlos, Nori, Franco and De Liberato, Simone (2018) Resolution of superluminal signalling in non-perturbative cavity quantum electrodynamics. Nature Communications, 9 (1). (doi:10.1038/s41467-018-04339-w).

Razdolski, Ilya, Passler, Nikolai Christian, Gubbin, Christopher R., Winta, Christopher J., Cernansky, Robert, Martini, Francesco, Politi, Alberto, Maier, Stefan A., Wolf, Martin, Paarmann, Alexander and Liberato, Simone De (2018) Second harmonic generation from strongly coupled localized and propagating phonon-polariton modes. Physical Review B.

Passler, Nikolai Christian, Gubbin, Christopher R., Folland, Thomas Graeme, Razdolski, Ilya, Katzer, D. Scott, Storm, David F., Wolf, Martin, De Liberato, Simone, Caldwell, Joshua D. and Paarmann, Alexander (2018) Strong coupling of epsilon-near-zero phonon polaritons in polar dielectric heterostructures. Nano Letters, 18 (7), 4285-4292. (doi:10.1021/acs.nanolett.8b01273).

Passler, Nikolai, Razdolski, Ilya, Gewinner, Sandy, Schöllkopf, Wieland, De Liberato, Simone, Gubbin, Christopher, Caldwell, Joshua, Wolf, Martin and Paarmann, Alexander (2018) Nonlinear response and strong coupling of surface phonon polaritons. In, NATO Science for Peace and Security Series B: Physics and Biophysics. (NATO Science for Peace and Security Series B: Physics and Biophysics, , (doi:10.1007/978-94-024-1544-5_44), Part F3) Springer Verlag, pp. 425-426. (doi:10.1007/978-94-024-1544-5_44).

De Bernardis, Daniele, Pilar, Philipp, Jaako, Tuomas, De Liberato, Simone and Rabl, Peter (2018) Breakdown of gauge invariance in ultrastrong-coupling cavity QED. Physical Review A, 98. (doi:10.1103/PhysRevA.98.053819).

De Liberato, Simone (2018) Open quantum systems with local and collective incoherent processes: Efficient numerical simulations using permutational invariance. Physical Review A, 98, 1-34. (doi:10.1103/PhysRevA.98.063815).

Ballarini, Dario and De Liberato, Simone (2019) Polaritonics: From microcavities to sub-wavelength confinement. Nanophotonics. (doi:10.1515/nanoph-2018-0188).

Cortese, Erika, Carusotto, Iacopo, Colombelli, Raffaele and De Liberato, Simone (2019) Strong coupling of ionizing transitions. Optica, 6 (3), 354-361. (doi:10.1364/OPTICA.6.000354).

Frisk Kockum, Anton, Miranowicz, Adam, De Liberato, Simone, Savasta, Salvatore and Nori, Franco (2019) Ultrastrong coupling between light and matter. Nature Reviews Physics, 1, 19-40.

Gubbin, Christopher, Berte, Rodrigo, Meeker, Michael, Giles, Alexander, Ellis, Chase, Tischler, Joseph, Wheeler, Virginia, Maier, Stefan, Caldwell, Joshua D. and De Liberato, Simone (2019) Hybrid longitudinal-transverse phonon polaritons. Nature Communications, 10 (1), 1-6. (doi:10.1038/s41467-019-09414-4).

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