33 research outputs found

    Hot Carrier Solar Cell: From Simulation to Devices

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    International audienceSingle junction III-V heterostructures based devices could overtake the Shockley-Queisser limit if thermalisation of photogenerated carriers can be strongly limited as in the hot carrier solar cell concept. Previous modelling and experiments have shown the interest of Multiple Quantum Wells heterostructures in the antimonide system and the importance of very thin structures. In this paper we report new data on the thermalisation rates in antimonide and phosphide heterostructures measured at ambient temperature. For the first time electrical control of hot carrier population is performed on hot carrier heterostructures device

    Duaux des codes de Reed-Solomon linéarisés

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    We give a description of the duals of linearized Reed–Solomon codes in terms of codes obtained by taking residues of Ore rational functions. Our construction shows in particular that, under some assumptions on the base ïŹeld, the class of linearized Reed–Solomon codes is stable under duality. As a byproduct of our work, we develop a theory of residues in the Ore setting, extending the results of A theory of residues for skew rational functions from Xavier Caruso.Nous donnons une description des duaux des codes de Reed-Solomon linĂ©arisĂ©s en termes de codes obtenus en prenant des rĂ©sidus de fonctions rationnelles des polynĂŽmes de Ore. Notre construction montre en particulier, que sous certaines hypothĂšses sur le corps de base, la classe des codes de Reed-Solomon linĂ©arisĂ©s est stable par dualitĂ©. Comme sous-produit de notre travail, nous dĂ©veloppons une thĂ©orie des rĂ©sidus dans le cadre des polynĂŽmes de Ore, Ă©tendant les rĂ©sultats de l’article A theory of residues for skew rational functions de Xavier Caruso

    Duals of linearized Reed-Solomon codes

    No full text
    Nous donnons une description des duaux des codes de Reed-Solomon linĂ©arisĂ©s en termes de codes obtenus en prenant des rĂ©sidus de fonctions rationnelles des polynĂŽmes de Ore. Notre construction montre en particulier, que sous certaines hypothĂšses sur le corps de base, la classe des codes de Reed-Solomon linĂ©arisĂ©s est stable par dualitĂ©. Comme sous-produit de notre travail, nous dĂ©veloppons une thĂ©orie des rĂ©sidus dans le cadre des polynĂŽmes de Ore, Ă©tendant les rĂ©sultats de l’article A theory of residues for skew rational functions de Xavier Caruso.We give a description of the duals of linearized Reed–Solomon codes in terms of codes obtained by taking residues of Ore rational functions. Our construction shows in particular that, under some assumptions on the base ïŹeld, the class of linearized Reed–Solomon codes is stable under duality. As a byproduct of our work, we develop a theory of residues in the Ore setting, extending the results of A theory of residues for skew rational functions from Xavier Caruso

    Duals of linearized Reed-Solomon codes

    No full text
    Nous donnons une description des duaux des codes de Reed-Solomon linĂ©arisĂ©s en termes de codes obtenus en prenant des rĂ©sidus de fonctions rationnelles des polynĂŽmes de Ore. Notre construction montre en particulier, que sous certaines hypothĂšses sur le corps de base, la classe des codes de Reed-Solomon linĂ©arisĂ©s est stable par dualitĂ©. Comme sous-produit de notre travail, nous dĂ©veloppons une thĂ©orie des rĂ©sidus dans le cadre des polynĂŽmes de Ore, Ă©tendant les rĂ©sultats de l’article A theory of residues for skew rational functions de Xavier Caruso.We give a description of the duals of linearized Reed–Solomon codes in terms of codes obtained by taking residues of Ore rational functions. Our construction shows in particular that, under some assumptions on the base ïŹeld, the class of linearized Reed–Solomon codes is stable under duality. As a byproduct of our work, we develop a theory of residues in the Ore setting, extending the results of A theory of residues for skew rational functions from Xavier Caruso
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