Design, modeling and optimization of gallium nitride-based photonic crystal structures

Konrad Ptasínski; Szymon Lis; Marcin Wielichowski; Sergiusz Patela

doi:10.1117/12.855180

13 May 2010 Design, modeling and optimization of gallium nitride-based photonic crystal structures

Konrad Ptasínski, Szymon Lis, Marcin Wielichowski, Sergiusz Patela

Proceedings Volume 7713, Photonic Crystal Materials and Devices IX; 77131Z (2010) https://doi.org/10.1117/12.855180
Event: SPIE Photonics Europe, 2010, Brussels, Belgium

Abstract

We present results of numerical modeling of photonic crystal (PhC) structures fabricated in gallium nitride (GaN). GaN is a wide band gap semiconductor material with large refractive index and very good thermal and mechanical properties, so it is considered a valuable candidate for photonic crystal application - in particular for devices exposed to the harsh environment. In this paper are considered the ideal 2D PhC with infinite high for a different lattice structures and calculated optical band gap maps for each. We also calculated air-bridge type slab and "sandwich-type" PhC slabs with finite height. The dependence of transmission and reflection spectra on holes size, width and profile of "sandwich-type" PhC slab structure are investigated. All calculations were performed using plane wave expansion method (PWE) and finite difference time domain method (FDTD).

Citation Download Citation

Konrad Ptasínski, Szymon Lis, Marcin Wielichowski, and Sergiusz Patela "Design, modeling and optimization of gallium nitride-based photonic crystal structures", Proc. SPIE 7713, Photonic Crystal Materials and Devices IX, 77131Z (13 May 2010); https://doi.org/10.1117/12.855180

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