Dispersion engineering of slot photonic crystal waveguides

Charles Caer; E. Cassan

doi:10.1117/12.918261

22 February 2012 Dispersion engineering of slot photonic crystal waveguides

Charles Caer, E. Cassan

Proceedings Volume 8333, Photonics and Optoelectronics Meetings (POEM) 2011: Optoelectronic Devices and Integration; 83330T (2012) https://doi.org/10.1117/12.918261
Event: Photonics and Optoelectronics Meetings 2011, 2011, Wuhan, China

Abstract

Slowing down the light in Slotted Photonic Crystals Waveguides (SPCW) offers strong opportunities for all-optical signal processing and non linear optics by dramatically increasing the local electromagnetic energy density in the low index material. We introduce a novel design of wide SPCW, where the slot is structured as a comb. We show that structuring the slot in a SPCW allows performing proper dispersion engineering in order to achieve very low group velocities over a few nanometers. This hybrid structure of SPCW offers possibilities to realize devices requiring strong interactions between light and an optically non-linear low index material by providing an ultra-high optical density while easing the filling of the slot due to its large width. We will present the methodology of the dispersion engineering and we will investigate later the losses and the non linear properties by FDTD analysis and experimental realization.

Citation Download Citation

Charles Caer and E. Cassan "Dispersion engineering of slot photonic crystal waveguides", Proc. SPIE 8333, Photonics and Optoelectronics Meetings (POEM) 2011: Optoelectronic Devices and Integration, 83330T (22 February 2012); https://doi.org/10.1117/12.918261

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