, Volume 79, Issue 4, pp 409-414
Date: 20 Jul 2004

Large-bandwidth ultra-low-loss guiding in bi-periodic photonic crystal waveguides

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Abstract

For the first time, we experimentally demonstrate ultra-low-loss guiding in bi-periodic photonic crystal waveguides over a large bandwidth of more than 60 nm. In such bi-periodic waveguides, we achieve a propagation loss very similar to that of a dielectric ridge waveguide, which indicates that the dominant loss mechanism in these bi-periodic waveguides is due to fabrication imperfections.

PACS

42.70.Qs; 42.79.Gn