"Westlake University is a thriving new research and education center. My best wishes for a successful and enticing journey for this young University.”
Biography
Pavlos Savvidis has received a B.Sc. in Physics from the University of Athens. He obtained his doctoral degree in Experimental Condensed Matter and Laser Physics from the University of Southampton in 2001, creating the first polariton amplifier. From 2002 to 2004, he was a DARPA-funded post-doctoral associate at the Department of Physics of the University of California, Santa Barbara, USA, working on the terahertz dynamics in semiconductor nanostructures and Bloch Oscillators. Since 2004, he served as an Assistant Professor at the Department of Materials Science and Technology of the University of Crete, retiring in 2023 as Full Professor. In 2014, he was awarded the prestigious one-year Leverhulme Fellowship to work as visiting Professor at Cavendish Labs, University of Cambridge, and in 2017 he received a 2-year visiting Professor Fellowship at ITMO University. Since 2019, he has been appointed as Associate Professor at Westlake University, and his research is focused on experimental polaritonics.
He has published over 110 research papers in high-impact journals such as Nature (1), Science (1), Nature Mat. (2), Nature Physics (1), Nature Phot. (1), Nature Comm, PNAS, and PRL (8). His papers have been cited over 7000 times, and he has an h-index of 40 (Google Science). He is the inventor of polariton amplifier and demonstrated the concept of polariton LED at room temperature. He has served as a referee for leading physical journals Nature, Nature Mat, Phys, Comm, Phys. Rev. Lett., and coordinated numerous national and European research projects as well as ERC starting grants.
Research
Pavlos Savvidis’s research activities are mainly focused on light-matter interactions with special emphasis on low-dimensional semiconductor nanostructures including the design and realization of optoelectronic devices based on fundamentally novel principles. The current research activities include polariton quantum fluids and circuits, prototype polaritonic qubits utilizing persistent currents in annular ring condensates, polariton condensate lattices for quantum simulation, novel polariton-based optoelectronic devices such as laser diodes, transistors, and THz bolometers, as well as hybrid organic-inorganic semiconductor microcavities.
Representative Publications
1. Robust room-temperature Valley Polarization in graphite-filtered WS2 monolayers, Demeridou, M Mavrotsoupakis, L Mouchliadis, G. Kioseoglou, PG Savvidis, E Stratakis, 2D Materials 10, 025023 (2023)
2. Stochastic Single-shot Polariton Condensate Polarization Pinning at High Temperatures, Y. C. Balas, E. S. Sedov, G. Paschos, Z. Hatzopoulos, H. Ohadi, A.K. Kavokin, P.G. Savvidis, Phys. Rev. Lett. 128, 117401 (2022)
3. Electrical tuning of nonlinearities in exciton-polariton condensates, S.I. Tsintzos, A. Tzimis, G. Stavrinidis, A. Trifonov, Z. Hatzopoulos, J.J. Baumberg, H. Ohadi, P.G. Savvidis, Phys. Rev. Lett. 121, 037401 (2018)
4. An attojoule electrical spin-switch based on optically trapped polariton condensates, A Dreismann, H Ohadi, Y.V.I. Redondo, R. Balili, Y Rubo, S.I. Tsintzos, G. Deligeorgis, Z. Hatzopoulos, P.G. Savvidis, J.J. Baumberg, Nature Materials (2016)
5. Polariton mediated energy transfer between organic dyes in a strong-coupled optical microcavity, D. Coles , N. Somaschi, P. Michetti , C. Clark, P. Lagoudakis, P. Savvidis, D. Lidzey, Nature Materials 13, 712 (2014)
6. Polariton condensate transistor switch, T. Gao, P.S. Eldridge, T.C.H Liew, S.I. Tsintzos, G. Stavrinidis, G. Deligeorgis, Z. Hatzopoulos, P.G. Savvidis, Phys. Rev. B 85, 235102 (2012)
7. Controlling quantum tunnelling with light, P. Cristofolini, G. Christmann, S. I. Tsintzos, G. Deligeorgis, G. Konstantinidis, Z. Hatzopoulos, P.G. Savvidis and J. J. Baumberg, Science 336, 704 (2012)
8. Sculpting oscillators with light within a nonlinear quantum fluid”, G. Tosi, G. Christmann, N.G. Berloff, P. Tsotsis, T. Gao, Z. Hatzopoulos, P.G. Savvidis, J.J. Baumberg, Nature Physics 8, 183 (2012)
9. Bragg polaritons: Strong coupling and amplificationin an unfolded microcavity, A. Askitopoulos, L. Mouchliadis, I. Iorsh, G. Christmann, J.J. Baumberg, M.A. Kaliteevski, Z. Hatzopoulos, P.G. Savvidis, Phys. Rev. Lett. 106, 076401 (2011)
10. S.I. Tsintzos, N.T. Pelekanos, G. Konstantinidis, Z. Hatzopoulos, P.G. Savvidis, “A GaAs polariton light-emitting diode operating near room temperature”, Nature 453, 372 (2008)
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