High-field enhancement factor in dielectric photonic structures

Silvia Romano; Vito Mocella

doi:10.1117/12.2179149

5 May 2015 High-field enhancement factor in dielectric photonic structures

Silvia Romano, Vito Mocella

Proceedings Volume 9502, Metamaterials X; 95020S (2015) https://doi.org/10.1117/12.2179149
Event: SPIE Optics + Optoelectronics, 2015, Prague, Czech Republic

Abstract

The existence of a special type of resonances in the visible transmission spectrum of a very thin two-dimensional photonic crystal slab is demonstrated. We illustrate a controlling mechanism that allows the stabilization of the field amplification in a thin layer lattice with low contrast dielectric. Numerical simulations show that an extremely large field enhancement, as large as 700 times the amplitude of the incident wave, connected with high Q-factor resonances can be axcited. The connection with the bound states in continuum phenomenon is highlighted.

Citation Download Citation

Silvia Romano and Vito Mocella "High-field enhancement factor in dielectric photonic structures", Proc. SPIE 9502, Metamaterials X, 95020S (5 May 2015); https://doi.org/10.1117/12.2179149

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