Search Results - "El Daif, O."
-
1
Engineering the spatial confinement of exciton polaritons in semiconductors
Published in Physical review. B, Condensed matter and materials physics (01-10-2006)Get full text
Journal Article -
2
Polariton quantum boxes in semiconductor microcavities
Published in Applied physics letters (06-02-2006)“…We report on the realization of polariton quantum boxes in a semiconductor microcavity under strong coupling regime. The quantum boxes consist of mesas, etched…”
Get full text
Journal Article -
3
Coherent optical control of the wave function of zero-dimensional exciton polaritons
Published in Physical review. B, Condensed matter and materials physics (28-09-2009)Get full text
Journal Article -
4
Enhancement of microcavity polariton relaxation under confinement
Published in Physical review. B, Condensed matter and materials physics (01-01-2009)Get full text
Journal Article -
5
Disordered nanostructures by hole-mask colloidal lithography for advanced light trapping in silicon solar cells
Published in Optics express (25-01-2016)“…We report on the fabrication of disordered nanostructures by combining colloidal lithography and silicon etching. We show good control of the short-range…”
Get full text
Journal Article -
6
Broadband absorption enhancement in ultra-thin crystalline Si solar cells by incorporating metallic and dielectric nanostructures in the back reflector
Published in Progress in photovoltaics (01-09-2015)“…We propose a back reflecting scheme in order to enhance the maximum achievable current in one micron thick crystalline silicon solar cells. We perform 3D…”
Get full text
Journal Article -
7
Micrometer-Thin Crystalline-Silicon Solar Cells Integrating Numerically Optimized 2-D Photonic Crystals
Published 20-12-2013“…A 2-D photonic crystal was integrated experimentally into a thin-film crystalline-silicon solar cell of 1-{\mu}m thickness, after numerical optimization…”
Get full text
Journal Article -
8
Front side plasmonic effect on thin silicon epitaxial solar cells
Published in Solar energy materials and solar cells (01-09-2012)“…We study the effect of metal nanoparticles, showing localised plasmonic resonances, on the spectrally resolved efficiency of thin film crystalline silicon…”
Get full text
Journal Article -
9
Micrometer-Thin Crystalline-Silicon Solar Cells Integrating Numerically Optimized 2-D Photonic Crystals
Published in IEEE journal of photovoltaics (01-01-2014)“…A 2-D photonic crystal was integrated experimentally into a thin-film crystalline-silicon solar cell of 1-μm thickness, after numerical optimization maximizing…”
Get full text
Journal Article -
10
Coherence properties of polaritons in semiconductor microcavities
Published in Physica status solidi. A, Applied research (01-02-2004)“…In this work we present the coherent control of polariton parametric scattering with weak phase locked probe pulses. It is demonstrated that the signal…”
Get full text
Journal Article Conference Proceeding -
11
Absorbing photonic crystals for thin film photovoltaics
Published 26-05-2010“…Proceedings of SPIE, Vol. 7713, 771308 (2010) The absorption of thin hydrogenated amorphous silicon layers can be efficiently enhanced through a controlled…”
Get full text
Journal Article -
12
Optical manipulation of the wave function of quasiparticles in a solid
Published 28-04-2009“…Polaritons in semiconductor microcavities are hybrid quasiparticles consisting of a superposition of photons and excitons. Due to the photon component,…”
Get full text
Journal Article -
13
Design and fabrication of photonic crystals in epitaxial free silicon for ultrathin solar cells
Published in 2011 Asia Communications and Photonics Conference and Exhibition (ACP) (01-01-2011)“…In this paper, we present the integration of an absorbing photonic crystal within a thin film photovoltaic solar cell. Optical simulations performed on a…”
Get full text
Conference Proceeding -
14
Zero dimensional exciton-polaritons
Published in Physica Status Solidi (b) (01-08-2006)“…The cover picture from the article [1] shows, in the left parts of the three diagrams, the measured photoluminescence intensity as a function of energy and…”
Get full text
Journal Article -
15
18% Efficiency IBC Cell With Rear-Surface Processed on Quartz
Published in IEEE journal of photovoltaics (01-04-2013)“…In order to relax the mechanical constraints of processing thin crystalline Si wafers into highly efficient solar cells, we propose a process sequence, where a…”
Get full text
Journal Article -
16
Zero dimensional exciton-polaritons
Published in Physica status solidi. B. Basic research (01-08-2006)“…We present a novel semiconductor structure in which 0D polaritons coexist with 2D microcavity polaritons. Spatial trapping of the 2D microcavity polaritons…”
Get full text
Journal Article Conference Proceeding -
17
Vertical emitting lasers based on 2D Photonic Crystal heterostructure coupled to strip silicon waveguide
Published in 2008 5th IEEE International Conference on Group IV Photonics (01-09-2008)“…We fabricate a compact 2D photonic crystal (PC) vertical emitting laser at 1.5 mum, based on slow Bloch mode confinement in a 20 PC heterostructure. The 2D PC,…”
Get full text
Conference Proceeding -
18
Photonic crystal silicon based structures for thin film solar cell
Published in 2009 Asia Communications and Photonics conference and Exhibition (ACP) (01-11-2009)“…A design is proposed to significantly increase the absorption of a thin layer of absorbing material such as amorphous silicon. This is achieved by patterning a…”
Get full text
Conference Proceeding -
19
Coherence properties of polaritons in semiconductor microcavities
Published in Physica status solidi. A, Applied research (01-02-2004)“…The article [1] investigates the coherent control of polariton parametric scattering with weak phase locked probe pulses. The cover picture is the angular…”
Get full text
Journal Article