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Detailed analysis by Fabry-Perot method of slab photonic crystal line-defect waveguides and cavities in aluminium-free material system

Abstract : A single-line-defect low-loss photonic crystal waveguide based on a perforated GaAs membrane in an aluminium-free material system is demonstrated. The GaInP lattice is matched to GaAs as the cladding/sacrificial layer. Fabry-Perot resonances are analyzed to obtain the group velocity dispersion for a 1-mm long guide. The losses are deduced to be close to 5 dB/cm, taking into account the wavelength dependent reflectivity of the guide extremities. In this framework, side-coupled nanocavities are also investigated. Feasibility of low-loss photonic-crystalbased devices combined with a reliable industrial material systems is thus demonstrated.
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https://hal-iogs.archives-ouvertes.fr/hal-00869841
Contributor : Fatima Pereira <>
Submitted on : Friday, October 4, 2013 - 11:47:46 AM
Last modification on : Wednesday, September 16, 2020 - 5:42:32 PM

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Sylvain Combrié, Evelin Weidner, Alfredo de Rossi, Shailendra Bansropun, Simone Cassette, et al.. Detailed analysis by Fabry-Perot method of slab photonic crystal line-defect waveguides and cavities in aluminium-free material system. Optics Express, Optical Society of America, 2006, 14 (16), pp.7353-7361. ⟨10.1364/OE.14.007353⟩. ⟨hal-00869841⟩

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