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Proceedings Paper

Dispersion engineering of slot photonic crystal waveguides
Author(s): Charles Caer; E. Cassan
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Paper 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.

Paper Details

Date Published: 22 February 2012
PDF: 4 pages
Proc. SPIE 8333, Photonics and Optoelectronics Meetings (POEM) 2011: Optoelectronic Devices and Integration, 83330T (22 February 2012); doi: 10.1117/12.918261
Show Author Affiliations
Charles Caer, Institut d'Electronique Fondamentale, Univ. Paris-Sud XI (France)
E. Cassan, Institut d'Electronique Fondamentale, Univ. Paris-Sud XI (France)


Published in SPIE Proceedings Vol. 8333:
Photonics and Optoelectronics Meetings (POEM) 2011: Optoelectronic Devices and Integration
Erich Kasper; Jinzhong Yu; Xun Li; Xinliang Zhang; Jinsong Xia; Junhao Chu; Zhijiang Dong; Bin Hu; Yan Shen, Editor(s)

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