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Theses

Conception de cavités optiques à résonance élargie avec des miroirs de Bragg à pas variable

Abstract : This thesis proposes a new method for the generation of continuous spectra with possible applications in optical WDM access networks. This new method would allow the development of a continuum laser type structure with better performances in terms of cost and simplicity compared to the current supercontinuum sources. For this purpose, we have analyzed the possibility of extending the resonant modes of a Fabry-Perot cavity acting only on the design of one of the cavity mirrors. The design of the mirror is generated with a genetic algorithm targeting a desired reflectivity spectrum. An active medium is then added inside the cavity formed with the synthesized mirror and the cavity’s emission is simulated below the lasing threshold. The spectra thus obtained are continuous on an interval of 5 to 15 nm.
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Submitted on : Thursday, March 27, 2014 - 3:07:51 PM
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  • HAL Id : tel-00966886, version 1

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Grigore-Adrian Iordachescu. Conception de cavités optiques à résonance élargie avec des miroirs de Bragg à pas variable. Autre. Supélec, 2013. Français. ⟨NNT : 2013SUPL0021⟩. ⟨tel-00966886⟩

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