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Observation of multiple higher-order stopgaps from three-dimensional chalcogenide glass photonic crystals

Nicoletti, Elisa; Zhou, Guangyong; Jia, Baohua; Ventura, Michael James; Bulla, Douglas; Luther-Davies, Barry; Gu, Min

Description

For the first time to our knowledge the observation of near-IR multiple higher-order stopgaps in three dimensional photonic crystals (PhCs) fabricated using the direct-laser-writing method in thick chalcogenide glass films is reported. The fabrication and etching conditions necessary to realize well-defined structures are presented. The fabricated PhCs exhibit higher-order stopgaps, which are only evident in high-quality structures. The higher-order stopgaps observed permit these...[Show more]

CollectionsANU Research Publications
Date published: 2008-10-15
Type: Journal article
URI: http://hdl.handle.net/1885/102149
Source: Optics Letters
DOI: 10.1364/OL.33.002311

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