Search Results - "Pereira, Mauro F."

Controlling the harmonic conversion efficiency in semiconductor superlattices by interface roughness design by Apostolakis, A., Pereira, Mauro F.

“…In semiconductor superlattices, when Bragg oscillating electrons interact with an input electromagnetic field, frequency multiplication is possible. An ideal…”
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Analytical Expressions for Numerical Characterization of Semiconductors per Comparison with Luminescence by Pereira, Mauro F

“…Luminescence is one of the most important characterisation tools of semiconductor materials and devices. Recently, a very efficient analytical set of equations…”
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Superlattice nonlinearities for Gigahertz-Terahertz generation in harmonic multipliers by Apostolakis, Apostolos, Pereira, Mauro F.

“…Semiconductor superlattices are strongly nonlinear media offering several technological challenges associated with the generation of high-frequency Gigahertz…”
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The Impact of Urban Design on Utilitarian and Leisure Walking—The Relative Influence of Street Network Connectivity and Streetscape Features by Pereira, Mauro F., Santana, Paula, Vale, David S.

“…Road network connectivity determines the accessibility of urban activities for pedestrians, while streetscape characteristics have an impact on route…”
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Recent Progress in Light Polarization Control Schemes for Silicon Integrated Photonics by Zafar, Humaira, Pereira, Mauro F.

“…Light polarization control is a target in photonics, and this paper provides a comprehensive review of research from various groups on the silicon‐on‐insulator…”
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Compact and broadband adiabatically bent superlattice-waveguides with negligible insertion loss and ultra-low crosstalk by Zafar, Humaira, Paredes, Bruna, Taha, Inas, Villegas, Juan E., Rasras, Mahmoud, Pereira, Mauro F.

“…Broadband and ultra-low crosstalk integrated silicon superlattice waveguides are proposed and demonstrated, enabling high-density waveguide integration. The…”
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A Microscopic Approach for THz Intersubband Challenges by Pereira, Mauro F.

“…The main candidate to be a practical and low cost high power THz source is the intersubband-based quantum cascade laser, which can have a tremendous impact in…”
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A Microscopic Approach for THz Intersubband Challenges by Pereira, Mauro F.

“…The main candidate to be a practical and low cost high power THz source is the intersubband-based quantum cascade laser, which can have a tremendous impact in…”
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Compact broadband ( O, E, S, C, L & U bands) silicon TE-pass polarizer based on ridge waveguide adiabatic S-bends by Zafar, Humaira, Zhai, Yanfen, Villegas, Juan E, Ravaux, Florent, Kennedy, Kenneth L, Pereira, Mauro F, Rasras, Mahmoud, Shamim, Atif, Anjum, Dalaver H

“…A compact, ultra-broadband and high-performance silicon TE-pass polarizer is proposed and demonstrated experimentally. It is based on partially-etched (ridge)…”
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Intersubband gain without global inversion through dilute nitride band engineering by Pereira, Mauro F., Tomić, Stanko

“…We investigate the possibility of interconduction band gain without global inversion by engineering the conduction band effective masses so that the upper…”
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Impact of momentum dependent matrix elements on scattering effects in quantum cascade lasers by Schmielau, Tim, Pereira, Mauro F.

“…Results for our fully frequency‐ and wavevector‐dependend self‐consistent nonequilibrium Green's function simulations of electron transport through quantum…”
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Advances in the science of light by Radovanović, Jelena, Pereira, Mauro F., Indjin, Dragan, Sumetsky, Mikhail, Stepić, Milutin

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Is walkability equitably distributed across socio-economic groups? – A spatial analysis for Lisbon metropolitan area by Pereira, Mauro F., Vale, David S., Santana, Paula

“…The development of sustainable and equitable cities is on most international and national agendas – and the promotion of a walkable environment is crucial for…”
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A robust nonlinear model of steam reformers with applications to energy efficiency by Teixeira, Renan de S., Pereira, Mauro F., Zubelli, Jorge P.

“…We have developed and implemented a computational methodology to solve for the heat flow and the gas concentrations in a class of industrial catalytic steam…”
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Progress on TERA-MIR Radiation: Materials, Generation, Detection, and Applications by Pereira, Mauro F.

“…In this paper, some of the results of cooperations between teams in COST ACTION MP1204: TERA-MIR Radiation: Materials, Generation, Detection and Applications…”
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The relationship between built environment and health in the Lisbon Metropolitan area – can walkability explain diabetes’ hospital admissions? by Pereira, Mauro F., Almendra, Ricardo, Vale, David S., Santana, Paula

“…Type 2 diabetes is one of the non-communicable diseases with higher increasing incidence across the world. Portugal is one of the most affected countries with…”
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Predictive microscopic approach to transport and optics in THz quantum cascade lasers by Pereira, Mauro F

“…The review paper outlined in this extended abstract is separated in three parts. In the first part, current trends in telecommunication towards the terahertz…”
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Numerical study of high impedance T-match antennas for terahertz photomixers by Juul, Lars, Mikulics, Martin, Pereira, Mauro F., Marso, Michel

“…This paper outlines an efficient numerical method to design terahertz photomixers. The simulations are benchmarked using measured power levels from results…”
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Valence intersubband gain without population inversion by Pereira Mauro

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Superlattice nonlinearities for Gigahertz-Terahertz generation in harmonic multipliers by Apostolakis, Apostolos, Pereira, Mauro F

“…Semiconductor superlattices are strongly nonlinear media offering several technological challenges associated with the generation of high-frequency Gigahertz…”
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