The aim of this line is to fabricate new structures and explore new materials for the study of polariton quantum flow dynamics and their use for optical devices, switches, transistors and logical gates. Inorganic semiconductors are characterized by high quality factors and nonlinearities, while organic materials support tightly bound excitons and can achieve highly processability and nonlinear effects, making them promising for future realization of all-optical or electro-optical devices. When coupled to distributed bragg reflectors mirrors, they can exhibit regimes of ultrastrong coupling and long-range propagation. The aim of this line is the development of all-optical and electro-optical  devices  working at room temperature based on polariton physics. These include polariton laser, polariton logic circuits, self-interfering packet, polariton bloch-surface wave, CNOT gate, fast switches, active waveguide. Oxide-based DBR are built in-home, as well as the evaporation of the active material and the optical measurements. In particular for evanescent modes we have developed a dedicated set-up with leakage microscope, energy resolution and ultrafast time-resolution. The understanding of the fundamental classic and quantum regimes of strong coupling of light and matter, extend the possibility to implement such phenomena in future devices for all-optical logic as the polariton transistor.


On the application side, we report as one of the topmost intriguing applications realizable with polaritonics packets, the realization of an all-optical polariton transistor.

We report the first Polariton Bloch Surface Wave based on the total reflection surface, which offers a fundamental mirror with ultimate 100% reflection hence being able to achieve the strong-coupling regime and leaving the surface free for patterning and operation.

We also achieved the realization and characterization of the ultrastrong coupling regime in metal-organic microcavity.

Facilities & Lab

Photonics Lab @ Lecce


Marco MazzeoMarco


Associate Researcher



De Giorgi

CNR Technologist



Associate Researcher



CNR PostDoc



CNR Senior Researcher



Associate PostDoc


  1. G. Lerario, D. Ballarini, A. Fieramosca, A. Cannavale, A. Genco, F. Mangione, S. Gambino, L. Dominici, M. De Giorgi, G. Gigli, D. Sanvitto, High speed flow of interacting organic polaritons, Light Science & Applications, 6, e16212, (2017), ISSN: 2047-7538; doi: 10.1038/lsa.2016.212
  2. D. Sanvitto, S. Kéna-Cohen, The road towards polaritonic devices, Nature Materials, 15, 1061-1073, (2016), ISSN: 1476-1122; doi: 10.1038/nmat4668
  3. D. Ballarini, M. De Giorgi, S. Gambino, G. Lerario, M. Mazzeo, A. Genco, G. Accorsi, C. Giansante, S. Colella, S. D’Agostino, P. Cazzato, D. Sanvitto, G. Gigli, Polariton-Induced Enhanced Emission from an Organic Dye under the Strong Coupling Regime, Advanced Optical Materials, 2, 1076, (2014), ISSN: 2195-1071; doi: 10.1002/adom.201400226
  4. M. De Giorgi, D. Ballarini, P. Cazzato, G. Deligeorgis, S. I. Tsintzos, Z. Hatzopoulos, P. G. Savvidis, G. Gigli, F. P. Laussy, D. Sanvitto,Relaxation Oscillations in the Formation of a Polariton Condensate, Physical Review Letters, 112, 113602, (2014), ISSN: 0031-9007; doi: 10.1103/PhysRevLett.112.113602
  5. D. Ballarini, M. De Giorgi, E. Cancellieri, R. Houdré, E. Giacobino, R. Cingolani, A. Bramati, G. Gigli, D. Sanvitto, All-optical polariton transistor, Nature Communications, 4, 1778, (2013), ISSN: 2041-1723; doi: 10.1038/ncomms2734
  6. G. Lerario, A. Cannavale, D. Ballarini, L. Dominici, M. De Giorgi, M. Liscidini, D. Gerace, D. Sanvitto, G. Gigli, Room temperature Bloch surface wave polaritonsOptics Letters, 39, 2068, (2014), ISSN: 0146-9592; doi: 10.1364/OL.39.002068
  7. S. Gambino, M. Mazzeo, A. Genco, O. Di Stefano, S. Savasta, S. Patanè, D. Ballarini, F. Mangione, G. Lerario, D. Sanvitto, G. Gigli, Exploring Light–Matter Interaction Phenomena under Ultrastrong Coupling Regime, ACS Photonics 1, 1042, (2014), ISSN: 2330-4022; doi: 10.1021/ph500266d
  8. M. Mazzeo, A. Genco, S. Gambino, D. Ballarini, F. Mangione, O. Di Stefano, S. Patanè, S. Savasta, D. Sanvitto, G. Gigli, Ultrastrong light-matter coupling in electrically doped microcavity organic light emitting diodes, Applied Physics Letters, 104, 233303, (2014), ISSN: 0003-6951; doi: 10.1063/1.4882422
  9. M. De Giorgi, D. Ballarini, E. Cancellieri, F. M. Marchetti, M. H. Szymanska, C. Tejedor, R. Cingolani, E. Giacobino, A. Bramati, G. Gigli, D. Sanvitto Control and Ultrafast Dynamics of a Two-Fluid Polariton Switch, Physical Review Letters, 109, 266407, (2012), ISSN: 0031-9007; doi: 10.1103/PhysRevLett.109.266407


POLAFLOW: Polariton condensates: from fundamental physics to quantum based devicesStarting Grant ,FP7 – IDEAS – ERC-2012-StG, panel PE2 (2012-2017)

Latest News

Disordered serendipity: a glassy path to discovery

A workshop in honour of Giorgio Parisi’s 70th birthday

September 19-21, 2018 - Roma

Sapienza University

With the occasion of celebrating Giorgio Parisi 70th birthday, the conference "Disordered serendipity: a glassy path to discovery" brings to Rome many among the world-leading experts in the field of complex systems. In order to properly represent the many fields of research where Giorgio Parisi gave a relevant contribution in his studies of disordered systems, the conference covers a broad spectrum of topics: from  fundamental and rigorous analysis of the statistical mechanics of disorder systems to applications in biology and computer science. These subjects are deeply interconnected since they are characterized by the presence of glassy behavior.



Il prof. Giorgio Parisi eletto presidente dell'Accademia dei Lincei


La più antica accademia del mondo ha un nuovo Presidente

Roma, 22 Giugno 2018

Siamo lieti di annunciare che il prof Giorgio Parisi, fisico della Università La Sapienza di Roma e Associato Cnr Nanotec, è il nuovo Presidente dell'Accademia Nazionale dei Lincei. A lui le nostre più vive congratulazioni e gli auguri di buon lavoro.


Costituzione del nuovo Ispc-Cnr

IV incontro - nuovo Istituto di Scienze del Patrimonio Culturale - CNR

Lecce, 20 aprile 2018

Aula Rita Levi Montalcini - ore 11:00

CNR NANOTEC c/o Campus Ecotekne

Per comunicazioni inerenti il processo di riorganizzazione potete scrivere a: infonuovoispc@cnr.it

Tutte le informazioni che riguardano gli incontri, compresi gli indirizzi dello streaming, li trovate sul sito http://www.ispc.cnr.it

Informazioni logistiche: goo.gl/ZieUad