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Superlattice Structure of Quantum Cascade Lasers: Structural and Morphological Effects of AsH₃ Flow
Cumhuriyet Science JournalThe quantum cascade lasers (QCLs) have been widely used in mid-infrared applications due to their high power, efficiency, and design flexibility. The InP-based quantum cascade lasers, particularly those utilizing In 0.53 Ga 0.47 As/In0.52Al0.48As ...
Merve Nur Koçak, İlkay Demir
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Physics Today, 2014 This chapter describes the most commonly used approaches for computing the band structure of active materials with intersubband optical transitions. The physics of quantum cascade lasers (QCLs) is discussed in detail, including the mechanisms that limit the threshold current density, threshold voltage, wall-plug efficiency, and temperature sensitivity ...
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Millimeter wave photonics with terahertz semiconductor lasers
Nature Communications, 2021 Photonic solutions for generating free space millimeter radiation is a fast developing field that combines optoelectronics and RF domains but has many challenges.
Valentino Pistore +12 more
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Engineering Multi-Section Quantum Cascade Lasers for Broadband Tuning
Photonics, 2016 In an effort to overcome current limitations to electrical tuning of quantum cascade lasers, a strategy is proposed which combines heterogeneous quantum cascade laser gain engineering with sampled grating architectures.
Steven Slivken, Manijeh Razeghi
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A Sulfur Hexafluoride Sensor Using Quantum Cascade and CO2 Laser-Based Photoacoustic Spectroscopy
Sensors, 2010 The increase in greenhouse gas emissions is a serious environmental problem and has stimulated the scientific community to pay attention to the need for detection and monitoring of gases released into the atmosphere.
Helion Vargas +6 more
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Low-threshold terahertz molecular laser optically pumped by a quantum cascade laser
APL Photonics, 2016 We demonstrate a low-threshold, compact, room temperature, and continuous-wave terahertz molecular laser optically pumped by a mid-infrared quantum cascade laser. These characteristics are obtained, thanks to large dipole transitions of the active medium:
A. Pagies, G. Ducournau, J.-F. Lampin
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Coherent quantum cascade laser micro-stripe arrays
AIP Advances, 2011 We have fabricated InP-based coherent quantum cascade laser micro-stripe arrays. Phase-locking is provided by evanescent coupling between adjacent stripes. Stripes are buried into semi-insulating iron doped InP.
G. M. de Naurois +5 more
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Фізика і хімія твердого тіла, 2017 In the model of effective masses and rectangular potentials obtained self-consistent solution of Poisson and Schrödinger equations for different concentrations of electrons.
I. V. Boyko, A. M. Gryschyk
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Performance of a compact, continuous-wave terahertz based on a quantum-cascade laser [PDF]
, 2010 We report on the development of a compact, easy-to-use terahertz radiation source, which combines a quantum cascade laser (QCL) with a compact, low-input-power Stirling ...
Richter, Heiko +9 more
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Submonolayer uniformity of type II InAs/GaInSb W-shaped quantum wells probed by full-wafer photoluminescence mapping in the mid-infrared spectral range [PDF]
, 2015 The work has been supported by Project Widelase (No. 318798) of the 7-th Framework Program of the European Commission. Date of Acceptance: 06/10/2015The spatial uniformity of GaSb- and InAs substrate-based structures containing type II quantum wells was ...
Jan Misiewicz +15 more
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