UAB Digital Repository of Documents 5 records found  Search took 0.00 seconds. 
1.
15 p, 1.1 MB Wide and ultra-wide bandgap oxides : where paradigm-shift photovoltaics meets transparent power electronics / Pérez Tomàs, Amador (Institut Català de Nanociència i Nanotecnologia) ; Chikoidze, Ekaterine (Université de Versailles Saint Quentin en Yvelines - CNRS) ; Jennings, M.R. (University of Warwick) ; Russell, Stephen A.O. (University of Warwick) ; Teherani, Féréchteh Hosseini (Nanovation) ; Bove, Philippe (Nanovation) ; Sandana, Vinod E. (Nanovation) ; Rogers, David J. (Nanovation)
Oxides represent the largest family of wide bandgap (WBG) semiconductors and also offer a huge potential range of complementary magnetic and electronic properties, such as ferromagnetism, ferroelectricity, antiferroelectricity and high-temperature superconductivity. [...]
2018 - 10.1117/12.2302576
Proceedings of SPIE - The International Society for Optical Engineering, Vol. 10533 (February 2018) , art. 105331Q  
2.
24 p, 2.9 MB Theoretical studies of Rashba and Dresselhaus effects in hybrid organic-inorganic perovskites for optoelectronic applications / Pedesseau, Laurent (Université Européenne de Bretagne) ; Kepenekian, Mikaël (Institut des Sciences Chimiques de Rennes) ; Robles, Roberto (Institut Català de Nanociència i Nanotecnologia) ; Sapori, Daniel (Université Européenne de Bretagne) ; Katan, Claudine (Institut des Sciences Chimiques de Rennes) ; Even, Jacky (Université Européenne de Bretagne)
In this paper, we propose a description of the Rashba-Dresselhaus effect in Hybrid Organic Perovskite (HOP). We show how the loss of the inversion symmetry leads to the loss of the spin degeneracy. An example of structure where both Rashba and Dresselhaus operate is illustrated with the formamidinium tin iodide CH(NH)SnI. [...]
2016 - 10.1117/12.2213618
Proceedings of SPIE - The International Society for Optical Engineering, Vol. 9742 (March 2016) , art. 97421B  
3.
7 p, 887.9 KB Nanophotonic interferometric immunosensors for label-free and real-time monitoring of chemical contaminants in marine environment / Chocarro Ruiz, Blanca (Institut Català de Nanociència i Nanotecnologia) ; Herranz, Sonia (Institut Català de Nanociència i Nanotecnologia) ; Fernández Gavela, Adrián (Institut Català de Nanociència i Nanotecnologia) ; Lechuga, Laura M. (Institut Català de Nanociència i Nanotecnologia)
With the aim to prevent the oceans ecosystems degradation, there is an urgent need to develop portable sensing tools able to operate directly in the environment, avoiding the transportation of the ocean samples to analytical laboratories. [...]
2017 - 10.1117/12.2256982
Proceedings of SPIE - The International Society for Optical Engineering, Vol. 10215 (2017) , art. 1021503  
4.
27 p, 1.1 MB Optical triple random phase encryption / Ahouzi, Esmail (Institut National des Postes et Telecommunications (Marroc)) ; Zamrani, Wiam (Institut National des Postes et Telecommunications (Marroc)) ; Azami, Nawfel (Institut National des Postes et Telecommunications (Marroc)) ; Lizana Tutusaus, Ángel (Universitat Autònoma de Barcelona. Departament de Física) ; Campos Coloma, Juan (Universitat Autònoma de Barcelona. Departament de Física) ; Yzuel Giménez, María Josefa (Universitat Autònoma de Barcelona. Departament de Física)
We propose an optical security technique for image encryption using triple random-phase encoding (TRPE). In the encryption process, the original image is first double-random-phase encrypted. The obtained function is then multiplied by a third random-phase key in the output plane, to enhance the security level of the encryption process. [...]
2017 - 10.1117/1.OE.56.11.113114
Optical engineering, Vol. 56, issue 11 (Nov. 2017) , p. 113114-1-8  
5.
31 p, 2.3 MB Optical image encryption technique based on deterministic phase masks / Zamrani, Wiam (Institut National des Postes et Telecommunications (Marroc)) ; Ahouzi, Esmail (Institut National des Postes et Telecommunications (Marroc)) ; Lizana Tutusaus, Ángel (Universitat Autònoma de Barcelona. Departament de Física) ; Campos Coloma, Juan (Universitat Autònoma de Barcelona. Departament de Física) ; Yzuel Giménez, María Josefa (Universitat Autònoma de Barcelona. Departament de Física)
The double-random phase encoding (DRPE) scheme, which is based on a 4f optical correlator system, is considered as a reference for the optical encryption field. We propose a modification of the classical DRPE scheme based on the use of a class of structured phase masks, the deterministic phase masks. [...]
2016 - 10.1117/1.OE.55.10.103108
Optical engineering, Vol. 55, Num. 10 (Oct 2016) , p. 103108  

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