Ultrafast all-optical switching with photonic nanojets and semiconductor nanoparticles

Brandon Born; Jeffrey D. A. Krupa; Simon Geoffroy-Gagnon; Jonathan F. Holzman

doi:10.1117/12.2208636

14 March 2016 Ultrafast all-optical switching with photonic nanojets and semiconductor nanoparticles

Brandon Born, Jeffrey D. A. Krupa, Simon Geoffroy-Gagnon, Jonathan F. Holzman

Proceedings Volume 9746, Ultrafast Phenomena and Nanophotonics XX; 974615 (2016) https://doi.org/10.1117/12.2208636
Event: SPIE OPTO, 2016, San Francisco, California, United States

Abstract

The potential of terabit-per-second fibre optics can be unlocked with emerging all-optical networks and processors employing all-optical switching. To be effective, all-optical switching must support operations with femtojoule switching energies and femtosecond switching times. With this in mind, this work studies geometrical and material characteristics for all-optical switching and develops a new all-optical switching architecture. A nanojet focal geometry is applied, in the form of dielectric spheres, to direct high-intensity photonic nanojets into peripheral semiconductors. Theoretical and experimental analyses demonstrate photonic nanojets, enabling femtojoule switching energies through localized photoinjection, and semiconductor nanoparticles, enabling femtosecond switching times through localized recombination.

Citation Download Citation

Brandon Born, Jeffrey D. A. Krupa, Simon Geoffroy-Gagnon, and Jonathan F. Holzman "Ultrafast all-optical switching with photonic nanojets and semiconductor nanoparticles", Proc. SPIE 9746, Ultrafast Phenomena and Nanophotonics XX, 974615 (14 March 2016); https://doi.org/10.1117/12.2208636

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