Designing core-shell 3D photonic crystal lattices for negative refraction

Victoria F. Chernow; Ryan C. Ng; Julia R. Greer

doi:10.1117/12.2251545

20 February 2017 Designing core-shell 3D photonic crystal lattices for negative refraction

Victoria F. Chernow, Ryan C. Ng, Julia R. Greer

Proceedings Volume 10112, Photonic and Phononic Properties of Engineered Nanostructures VII; 101120G (2017) https://doi.org/10.1117/12.2251545
Event: SPIE OPTO, 2017, San Francisco, California, United States

Abstract

We use a plane wave expansion method to define parameters for the fabrication of 3-dimensional (3D) core-shell photonic crystals (PhCs) with lattice geometries that are capable of all-angle negative refraction (AANR) in the midinfrared centered around 8.0 μm. We discuss the dependence of the AANR frequency range on the volume fraction of solid within the lattice and on the ratio of the low index core material to the high index shell material. Following the constraints set by simulations, we fabricate two types of nanolattice PhCs: (1) polymer core-germanium shell and (2) amorphous carbon core-germanium shell to enable experimental observation of 3D negative refraction and related dispersion phenomena at infrared and eventually optical frequencies.

Conference Presentation

Citation Download Citation

Victoria F. Chernow, Ryan C. Ng, and Julia R. Greer "Designing core-shell 3D photonic crystal lattices for negative refraction", Proc. SPIE 10112, Photonic and Phononic Properties of Engineered Nanostructures VII, 101120G (20 February 2017); https://doi.org/10.1117/12.2251545

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