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Ultrahigh Q-factor Ge11.5As24Se64.5 chalcogenide glass photonic crystal cavity embedded in silica

Gai, Xin; White, Thomas; Luther-Davies, Barry


Photonic crystals (PhCs) have attracted much attention for their ability to manipulate light, for example structures containing ultrahigh Q-factor cavities allow low threshold all-optical switching as has been demonstrated in 2-D PhCs fabricated in air-clad silicon membranes. However, the strong two-photon (TPA) and free-carrier absorption (FCA) in silicon has meant that optical switching has so far been due to the slow thermal nonlinearity exacerbated by the low thermal mass and poor heat...[Show more]

CollectionsANU Research Publications
Date published: 2011
Type: Conference paper
Source: European Conference on Lasers and Electro-Optics (CLEO/Europe) 2011
DOI: 10.1109/CLEOE.2011.5943261


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