dorsal/arxiv
View SchemaPhotonic band structure of ZnO photonic crystal slab laser
| Authors | A. Yamilov, X. Wu, H. Cao |
|---|---|
| Categories | |
| ArXiv ID | physics/0503170 |
| URL | https://arxiv.org/abs/physics/0503170 |
| DOI | 10.1063/1.2134880 |
| Journal | Journal of Applied Physics 98, 103102 (2005) |
Abstract
We recently reported on the first realization of ultraviolet photonic crystal laser based on zinc oxide [Appl. Phys. Lett. {\bf 85}, 3657 (2004)]. Here we present the details of structural design and its optimization. We develop a computational super-cell technique, that allows a straightforward calculation of the photonic band structure of ZnO photonic crystal slab on sapphire substrate. We find that despite of small index contrast between the substrate and the photonic layer, the low order eigenmodes have predominantly transverse-electric (TE) or transverse-magnetic (TM) polarization. Because emission from ZnO thin film shows strong TE preference, we are able to limit our consideration to TE bands, spectrum of which can possess a complete photonic band gap with an appropriate choice of structure parameters. We demonstrate that the geometry of the system may be optimized so that a sizable band gap is achieved.
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"abstract": "We recently reported on the first realization of ultraviolet photonic crystal\nlaser based on zinc oxide [Appl. Phys. Lett. {\\bf 85}, 3657 (2004)]. Here we\npresent the details of structural design and its optimization. We develop a\ncomputational super-cell technique, that allows a straightforward calculation\nof the photonic band structure of ZnO photonic crystal slab on sapphire\nsubstrate. We find that despite of small index contrast between the substrate\nand the photonic layer, the low order eigenmodes have predominantly\ntransverse-electric (TE) or transverse-magnetic (TM) polarization. Because\nemission from ZnO thin film shows strong TE preference, we are able to limit\nour consideration to TE bands, spectrum of which can possess a complete\nphotonic band gap with an appropriate choice of structure parameters. We\ndemonstrate that the geometry of the system may be optimized so that a sizable\nband gap is achieved.",
"arxiv_id": "physics/0503170",
"authors": [
"A. Yamilov",
"X. Wu",
"H. Cao"
],
"categories": [
"physics.optics"
],
"doi": "10.1063/1.2134880",
"journal_ref": "Journal of Applied Physics 98, 103102 (2005)",
"title": "Photonic band structure of ZnO photonic crystal slab laser",
"url": "https://arxiv.org/abs/physics/0503170"
},
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