Search Results - "Ramírez, Hanz Y"

Time- and Excitation-Dependent Photon Emission from Double Quantum Dot Upconverting Nanostructures by Chen, Eric Y, Welsch, Tory A, Cleveland, Jill M, Milleville, Christopher C, Lennon, Kyle R, Ramírez, Hanz Y, Zide, Joshua M. O, Chase, D. Bruce, Doty, Matthew F

“…Semiconductor quantum dot/rod/emitter upconverter nanostructures are promising for photovoltaic applications due to their broadband absorption and tunability…”
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Effects of electrostatic environment on the electrically triggered production of entangled photon pairs from droplet epitaxial quantum dots by Ramírez, Hanz Y., Chou, Ying-Lin, Cheng, Shun-Jen

“…Entangled photon pair generation is a crucial task for development of quantum information based technologies, and production of entangled pairs by biexciton…”
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Tunneling effects on fine-structure splitting in quantum-dot molecules by Ramírez, Hanz Y, Cheng, Shun-Jen

“…We theoretically study the effects of bias-controlled interdot tunneling in vertically coupled quantum dots on the emission properties of spin excitons in…”
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Quantum Confinement Effects on the Near Field Enhancement in Metallic Nanoparticles by Zapata-Herrera, Mario, Flórez, Jefferson, Camacho, Angela S., Ramírez, Hanz Y.

“…In this work, we study the strong confinement effects on the electromagnetic response of metallic nanoparticles. We calculate the field enhancement factor for…”
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Coupling effects on photoluminescence of exciton states in asymmetric quantum dot molecules by Fino, Nelson R, Camacho, Angela S, Ramírez, Hanz Y

“…We present a theoretical study of photoluminescence from exciton states in InAs/GaAs asymmetric dot pairs, where interdot coupling is reached via magnetic…”
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Comment to "Effect of an electric field and nonlinear optical rectification of confined excitons in quantum dots" [W. Xie, Phys. Status Solidi B 246, 2257 (2009)] by Flórez, Jefferson, Camacho, Ángela, Ramírez, Hanz Y.

“…In this comment, we review the work by Xie [Phys. Status Solidi B 246, 2257 (2009)] on electric field effects and nonlinear optical properties of excitons…”
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Influence of the confinement potential on the size-dependent optical response of metallic nanometric particles by Zapata-Herrera, Mario, Camacho, Ángela S., Ramírez, Hanz Y.

“…In this paper, different confinement potential approaches are considered in the simulation of size effects on the optical response of silver spheres with radii…”
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Two interacting electrons confined in a 3D parabolic cylindrically symmetric potential, in presence of axial magnetic field: A finite element approach by Ramírez, Hanz Y., Santana, Alejandro

“…In this work, we explore the performance and accuracy of finite element numerical simulations for the relevant and well-known problem of two interacting…”
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Coupling effects on Rabi oscillations in quantum dots chains by Ramirez, Hanz Y., Camacho, Angela S.

“…In this work, we calculate the temporal evolution of electronic states under AC electric fields. We do that by obtaining the eigenenergies and wave functions…”
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Theory of electron-hole exchange interaction in double quantum dots by Ramirez, Hanz Y., Cheng, Shun-Jen, Chang, Chih-Pin

“…A theory of electron–hole exchange interaction in vertically stacked double quantum dots is developed. This theory was built up from the full interacting…”
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Electron–hole symmetry breakings in optical fine structures of single self-assembled quantum dots by Ramirez, Hanz Y., Lin, Chia-Hsien, You, Wen Ting, Huang, Shan-Yu, Chang, Wen-Hao, Lin, Sheng-Di, Cheng, Shun-Jen

“…The effects of electron–hole (e–h) symmetry breaking on the optical fine structure splitting (FSS) of single excitons in individual InGaAs/GaAs self-assembled…”
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Thermal effects on the resonance fluorescence of doubly dressed artificial atoms by Macias-Pinilla, David F, Ramírez, Hanz Y

“…Phys. Rev. A 102, 033731 (2020) In this work, robustness of controlled density of optical states in doubly driven artificial atoms is studied under phonon…”
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A solid state emitter embedded in a microcavity under intense excitation: a variational master equation approach by Gómez-Sánchez, Oscar J, Ramírez, Hanz Y

“…Phys. Rev. A 98, 053846 (2018) In this work, dissipative effects from a phonon bath on the resonance fluorescence of a solid state two level system embedded in…”
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Double Dressing and Manipulation of the Photonic Density of States in Nanostructured Qubits by Ramírez, Hanz Y

“…In this work, a model to study the coupling between a semiconductor qubit and two timedependent electric fields is developed. By using it in the resonantly…”
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Efficiently tunable photon emission from an optically driven artificial molecule by Lemus, Jonathan C, Ramírez, Hanz Y

“…In this work, we investigate the emission properties of double quantum dot driven by a monochromatic electromagnetic field, while undergoing resonant tunneling…”
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Exciton localization in two-dimensional semiconductors through modification of the dielectric environment by Muñoz-Gómez, Kelly Y, Ramírez-Gómez, Hanz Y

“…Monolayer semiconductors, given their thickness at the atomic scale, present unique electrostatic environments due to the sharp interfaces between the…”
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Dipolariton formation in quantum dot molecules strongly coupled to optical resonators by Domínguez, Marlon S, Macias-Pinilla, David F, Ramírez, Hanz Y

“…In this theoretical work, we study a double quantum dot interacting strongly with a microcavity, while undergoing resonant tunneling. Effects of interdot…”
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Exciton Coulomb correlations in axially symmetric II-VI nanocrystals by Bohórquez-Quincos, Carlos A, Cordero-Niño, Julián G, Ramírez-Gómez, Hanz Y

“…Because of their conveniently tunable optoelectronic properties, semiconductor nanocrystals have become established components for new devices and emergent…”
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A framework for extracting the rates of photophysical processes from biexponentially decaying photon emission data by Cleveland, Jill M, Welsch, Tory A, Chen, Eric Y, Chase, D. Bruce, Doty, Matthew F, Ramírez-Gómez, Hanz Y

“…There is strong interest in designing and realizing optically-active semiconductor nanostructures of greater complexity for applications in fields ranging from…”
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Analytical obtention of eigen-energies for lens-shaped quantum dot with finite barriers by Rodríguez, Arezky H, Ramírez, Hanz Y

“…The bound states of a particle in a lens-shaped quantum dot with finite confinement potential are obtained in the envelope function approximation. The quantum…”
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