Rainbow light trapping in a chirped 3D woodpile photonic crystal

被引：0

作者：

Otero, E. ^{[1
]}

Soria, B. ^{[1
]}

Gailevicius, D. ^{[2
]}

Mizeikis, V ^{[3
]}

Vilardell, E. Puig ^{[2
]}

Staliunas, K. ^{[1
,2
]}

Malinauskas, M. ^{[2
]}

Trull, J. ^{[1
]}

Cojocaru, C. ^{[1
]}

机构：

[1] Univ Politecn Cataluna, Dept Phys, Rambla St Nebridi 22, Terrassa 08222, Barcelona, Spain

[2] Vilnius Univ, Fac Phys, Laser Res Ctr, Sauletekio Ave 10, Vilnius, Lithuania

[3] Shizuoka Univ, Res Inst Elect, 3-5-1 Johoku,Naka Ku, Hamamatsu, Shizuoka, Japan

来源：

2024 24TH INTERNATIONAL CONFERENCE ON TRANSPARENT OPTICAL NETWORKS, ICTON 2024 | 2024年

关键词：

photonic crystals; light localization; slow light;

D O I：

10.1109/ICTON62926.2024.10647776

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

The so called "rainbow trapping" effect (wavelength dependent light localization) is demonstrated in a chirped 3D woodpile photonic crystal in the visible and near infrared regimes. By varying the period in the propagation direction, the 3D structure is designed to progressively slow down the incident wave and to localize different wavelengths at different positions. A first experiment in the visible range shows good qualitative results, with green localizing near the beginning of the crystal and red propagating deeper. The measurements in the infrared regime show strong localization between 1400nm and 1700nm. This localization goes deeper into the crystal as the wavelength increases, agreeing nicely with our numerical simulations.

引用

页数：3

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