0000000000179634

AUTHOR

Fernando Briones

showing 6 related works from this author

Different strategies towards the deterministic coupling of a single Quantum Dot to a photonic crystal cavity mode

2011

In this work we show two different procedures of fabrication aiming towards the systematic positioning of single InAs quantum dots (QDs) coupled to a GaAs photonic crystal (PC) microcavity. The two approaches are based on the molecular beam epitaxial (MBE) growth of site-controlled QDs (SCQDs) on pre-patterned structures. The PC microcavity (PCM) is introduced previous or after the growth, on each case. We demonstrate the InAs SCQD nucleation on pre-patterned PCMs and a method to perform the QD nucleation respect to an etched ruler that is used to position the PC structure after growth. For both types of structures, we have carried out microphotoluminescence (µPL) spectroscopy experiments a…

Materials sciencebusiness.industryCavity quantum electrodynamicsNucleationGallium arsenidechemistry.chemical_compoundchemistryQuantum dotOptoelectronicsPhotonicsbusinessMolecular beamMolecular beam epitaxyPhotonic crystal2011 13th International Conference on Transparent Optical Networks
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Charge control in laterally coupled double quantum dots

2011

4 figuras, 4 páginas.-- PACS number(s): 78.67.Hc, 73.21.La, 78.55.Cr

PhysicsCondensed Matter - Mesoscale and Nanoscale PhysicsOptical propertiesQuantum dotsElectrons--EmissióQuantum point contactQuantum-confined Stark effectFOS: Physical sciencesElectronsElectronic structureCondensed Matter PhysicsCondensed Matter::Mesoscopic Systems and Quantum Hall EffectElectronic Optical and Magnetic MaterialsCondensed Matter::Materials ScienceQuantum dot laserQuantum dotElectronic propertiesMesoscale and Nanoscale Physics (cond-mat.mes-hall)Electrons--EmissionEmission spectrumTrionAtomic physicsPunts quànticsQuantum tunnelling
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The effect of reducing dimensionality on the excitonic recombination in InAs/InP heterostructures

1997

In this work we study the exciton recombination of InAs/InP self-organized quantum dots by means of photolumincscence (PL) as a function of temperature and excitation density. Well defined islands, spatially separated in most cases, and with different size distribution, make localized exciton recombination the dominant contribution to the PL spectrum. From our experimental results, we propose the co-existence of two types of islands, one with small height whose contribution to the PL spectra is important in samples with low InAs coverage (below two monolayers), and the properly 3D islands, whose dimensions and sheet concentration increase with the InAs coverage. Good quality structures are …

PhysicsCondensed matter physicsbusiness.industryOptoelectronicsHeterojunctionCondensed Matter PhysicsbusinessRecombinationElectronic Optical and Magnetic MaterialsCurse of dimensionality
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Single Photon Emission from Site-Controlled InAs Quantum Dots Grown on GaAs(001) Patterned Substrates

2009

5 páginas, 5 figuras.

Materials scienceFabricationbusiness.industryQuantum dotsQuantum point contactGeneral EngineeringPhysics::OpticsGeneral Physics and AstronomyCondensed Matter::Mesoscopic Systems and Quantum Hall EffectEpitaxySingle photon emissionCondensed Matter::Materials ScienceNanolithographyQuantum dotQuantum dot laserOptoelectronicsSingle photon emittersGeneral Materials SciencePatterned substratesbusinessQuantum
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Electrical control of a laterally ordered InAs/InP quantum dash array

2009

5 páginas, 5 figuras.

PhysicsCondensed Matter - Mesoscale and Nanoscale Physicsbusiness.industryMechanical EngineeringPlanar arrayFOS: Physical sciencesBioengineeringGeneral ChemistryElectrical controlElectric chargeSemiconductorMechanics of MaterialsElectric fieldMesoscale and Nanoscale Physics (cond-mat.mes-hall)OptoelectronicsGeneral Materials ScienceElectrical and Electronic EngineeringbusinessQuantumEnergy (signal processing)Nanotechnology
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Emission properties of single InAs/GaAs quantum dot pairs and molecules grown in GaAs nanoholes

2010

Trabajo presentado a la "11th International Conference on Optics of Excitons in Confined Systems" (OECS), celebrada en en Madrid (España) del 7 al 11 de Septiembre de 2009.

PhysicsCouplingHistoryCondensed matter physicsQuantum dot moleculesCoulomb blockadeCondensed Matter::Mesoscopic Systems and Quantum Hall EffectDroplet epitaxiMolecular physicsComputer Science ApplicationsEducationQuantum dotQuantum dot laserMicrophotoluminiscenceMoleculeDiffusion (business)Quantum dot molecules
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