Time-varying and reconfigurable driven photonics

Riccardo Sapienza

doi:10.1117/12.2635435

24 May 2022 Time-varying and reconfigurable driven photonics

Riccardo Sapienza

Proceedings Volume PC12131, Nanophotonics IX; PC1213106 (2022) https://doi.org/10.1117/12.2635435
Event: SPIE Photonics Europe, 2022, Strasbourg, France

Abstract

I will report on a switchable time-varying mirror, composed of an ITO-Au stack, which can be efficiently modulated in time, by a driving ultrafast laser pulse, with over a ten-fold increase in reflectivity and a bandwidth increase of the reflected pulse to 31 THz. This temporal response is unbounded by the pump pulse bandwidth and originates from the shortening of the response time of the mirror beyond saturation. Moreover, I will show the dissipative self-organisation of programmable random lasers from the reversible out-of-equilibrium self-assembly of colloids. They can thus reconfigure and cooperate by emulating the ever-evolving spatiotemporal relationship between structure and functionality typical of living matter.

Conference Presentation

Citation Download Citation

Riccardo Sapienza "Time-varying and reconfigurable driven photonics", Proc. SPIE PC12131, Nanophotonics IX, PC1213106 (24 May 2022); https://doi.org/10.1117/12.2635435

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