Potential and limits of superlattice multipliers coupled to different input power sources
A Apostolakis, MF Pereira - Journal of Nanophotonics, 2019 - spiedigitallibrary.org
A theoretical study is presented to assess the performance of semiconductor superlattice
(SL) multipliers as a function of the currently available input power sources. The prime …
(SL) multipliers as a function of the currently available input power sources. The prime …
TERA-MIR radiation: materials, generation, detection and applications II
MF Pereira - Optical and Quantum Electronics, 2015 - Springer
The main objective of MPNS COST ACTION MP1204 is to advance novel materials,
concepts and device designs for generating and detecting THz (0.3–10 THz) and Mid …
concepts and device designs for generating and detecting THz (0.3–10 THz) and Mid …
Fingerprints of spatial charge transfer in quantum cascade lasers
We show that mid-infrared transmission spectroscopy of a quantum cascade laser provides
clear-cut information on changes in charge location at different bias. Theoretical simulations …
clear-cut information on changes in charge location at different bias. Theoretical simulations …
Ultrafast phase-resolved pump-probe measurements on a quantum cascade laser
The dynamics of optical gain in an InGaAs/AlInAs quantum cascade laser is studied in
midinfrared pump-probe measurements. Pump and probe pulses of identical wavelength …
midinfrared pump-probe measurements. Pump and probe pulses of identical wavelength …
TERA-MIR radiation: materials, generation, detection and applications
MF Pereira - Optical and quantum electronics, 2014 - Springer
This special edition is dedicated to original papers covering topics with the areas of interest
of COST ACTION MP1204 whose main objective is to advance novel materials, concepts …
of COST ACTION MP1204 whose main objective is to advance novel materials, concepts …
Recent advances in superlattice frequency multipliers
Y Schevchenko, A Apostolakis, MF Pereira - Terahertz (THz), Mid Infrared …, 2021 - Springer
Semiconductor superlattice frequency multipliers have emerged as a nonlinear medium
able to generate radiation in a wide frequency range. This property facilitates the potential of …
able to generate radiation in a wide frequency range. This property facilitates the potential of …
Interaction of valence band excitations and terahertz TE-polarized cavity modes
IA Faragai, MF Pereira - Optical and Quantum Electronics, 2014 - Springer
The strong coupling of THz radiation and material excitations has potential to improve the
quantum efficiency of THz devices. In this paper, we investigate a simple structure delivering …
quantum efficiency of THz devices. In this paper, we investigate a simple structure delivering …
Anisotropy and nonlinearity in superlattices
MF Pereira - Optical and Quantum Electronics, 2016 - Springer
This paper uses analytical expressions for the nonlinear optical absorption of superlattices
by treating them as anisotropic media. The controllable system shows that the nonlinearities …
by treating them as anisotropic media. The controllable system shows that the nonlinearities …
A microscopic approach for THz intersubband challenges
MF Pereira - 2009 11th International Conference on …, 2009 - ieeexplore.ieee.org
The main candidate to be a ubiquitous high power THz source is the intersubband-based
quantum cascade laser (qcl). In this review we start by discussing current challenges for THz …
quantum cascade laser (qcl). In this review we start by discussing current challenges for THz …
Nonlinear terahertz spectroscopy in one and two dimensions
W Kühn - 2011 - edoc.hu-berlin.de
The presented thesis concerns fundamentals and applications of nonlinear terahertz (THz)
spectroscopy. It is demonstrates that the a gain recovery time of a quantum cascade laser …
spectroscopy. It is demonstrates that the a gain recovery time of a quantum cascade laser …