Scientific Results

Photonic crystals with controlled disorder

Year: 2011

Authors: Garcia PD., Sapienza R., Toninelli C., Lopez C., Wiersma D.

Autors Affiliation: Inst Ciencia Mat Madrid CSIC, E-28049 Madrid, Spain; Unidad Asociada CSIC UVigo, E-28049 Madrid, Spain; European Lab Nonlinear Spect, I-50019 Florence, Italy; CNR INO, I-50019 Florence, Italy

Abstract: Photonic crystals are extremely sensitive to structural disorder even to the point of completely losing their functionalities. While, on one side, this can be detrimental for applications in traditional optical devices, on the other side, it gives also rise to very interesting new physics and maybe even new applications. We propose a route to introduce disorder in photonic crystals in a controlled way by creating a certain percentage of vacancies in the lattice. We show how the method works and what type of materials can be obtained this way. Also, we use this system to probe the role of disorder on the resulting transport properties from various points of view, including measurements of the transport and scattering mean free path and the diffusion constant.

Journal/Review: PHYSICAL REVIEW A

Volume: 84 (2)      Pages from: 023813  to: 023813

More Information: We thank J. F. Galisteo-Lopez for the data of the group index. The work was supported by the EU through Network of Excellence IST-2-511616-NOE (PHOREMOST), and partially supported by EU FP7 NoE Nanophotonics4Energy Grant No. 248855; the Spanish MICINN CSD2007-0046 (Nanolight.es), MAT2009-07841 (GLUSFA) and Comunidad de Madrid S2009/MAT-1756(PHAMA) projects. RS acknowledges support by RyC.
DOI: 10.1103/PhysRevA.84.023813

Citations: 29
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