Add to BibSonomy
Abstract
All-dielectric nanophotonics offers a wide range of possibilities for thermally induced light manipulation at the nanoscale. High quality resonances allow for efficient light-to-heat conversion supported by various temperature detection approaches based on thermally sensitive intrinsic optical responses. In this work, we study theoretically a phenomenon of the photothermal reshaping of the radiation pattern of second-harmonic generation (SHG) that occurs in resonant all-dielectric systems. In the suggested geometry, a near-IR pulsed laser is used for SHG while a continuous wave visible laser simultaneously heats the structure. The thermo-optical switching of the resonant optical states in the nanostructures governs the reconfiguration of the emission pattern, without significant loss in the magnitude of the SHG. We believe, that our findings will pave the way for subwavelength-size near-IR thermally switchable nonlinear optical devices.
© 2022 Optica Publishing Group
Full Article | PDF ArticleMore Like This
L. Ghirardini, L. Carletti, V. Gili, G. Pellegrini, L. Duò, M. Finazzi, D. Rocco, A. Locatelli, C. De Angelis, I. Favero, M. Ravaro, G. Leo, A. Lemaître, and M. Celebrano
Opt. Lett. 42(3) 559-562 (2017)
Michele Celebrano, Davide Rocco, Marco Gandolfi, Attilio Zilli, Francesco Rusconi, Andrea Tognazzi, Andrea Mazzanti, Lavinia Ghirardini, Eva A. A. Pogna, Luca Carletti, Camilla Baratto, Giuseppe Marino, Carlo Gigli, Paolo Biagioni, Lamberto Duò, Giulio Cerullo, Giuseppe Leo, Giuseppe Della Valle, Marco Finazzi, and Costantino De Angelis
Opt. Lett. 46(10) 2453-2456 (2021)
Aizitiaili Abulikemu, Yuta Kainuma, Toshu An, and Muneaki Hase
Opt. Lett. 47(7) 1693-1696 (2022)