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Article
Long-wave infrared emission properties of strain-balanced InAs/InxGa1−xAsySb1−y type-II superlattice on different substrates
High-performance type-II superlattices of III–V semiconductor materials play an important role in the development and application of infrared optoelectronic devices. Improving the quality of epitaxial material...
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Article
Review of 2D Bi2X3 (X = S, Se, Te): from preparation to photodetector
Detector has become an indispensable part of human beings. The increasing demand for photodetectors with high performance has promoted the research of novel materials. At the same time, with the development of...
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Article
InAs/InAsSb type-II superlattice with near room-temperature long-wave emission through interface engineering
Ga-free InAs/InAsSb type-II superlattices (T2SL) have extensive application prospective in infrared photodetectors. Achieving higher operation temperature is critical to its commercial applications. Here, a fr...
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Article
Open AccessAnomalous Mode Transitions in High Power Distributed Bragg Reflector Quantum Cascade Lasers
In this paper, an anomalous spectral data of distributed Bragg reflector (DBR) quantum cascade lasers (QCLs) emitting around 7.6 μm is presented. The two-section DBR lasers, consisting of a gain section and an...
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Article
Open AccessDemonstration of High-Power and Stable Single-Mode in a Quantum Cascade Laser Using Buried Sampled Grating
High-power, low-threshold stable single-mode operation buried distributed feedback quantum cascade laser by incorporating sampled grating emitting at λ ~ 4.87 μm is demonstrated. The high continuous wave (CW) out...
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Article
Open AccessTapered Quantum Cascade Laser Arrays Integrated with Talbot Cavities
Power scaling in broad area quantum cascade laser (QCL) usually leads to the deterioration of the beam quality with an emission of multiple lobes far-field pattern. In this letter, we demonstrate a tapered QCL...
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Article
Open AccessStable Single-Mode Operation of Distributed Feedback Quantum Cascade Laser by Optimized Reflectivity Facet Coatings
In this work, quantum cascade lasers (QCLs) based on strain compensation combined with two-phonon resonance design are presented. Distributed feedback (DFB) laser emitting at ~ 4.76 μm was fabricated through a...
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Article
Open AccessHigh Efficiency, Low Power-Consumption DFB Quantum Cascade Lasers Without Lateral Regrowth
Very low power-consumption distributed feedback (DFB) quantum cascade lasers (QCLs) at the wavelength around 4.9 μm were fabricated by conventional process without lateral regrowth of InP:Fe or using sidewall ...
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Article
Enhancement of post-anoxic denitrification for biological nutrient removal: effect of different carbon sources
Previous research has demonstrated that post-anoxic denitrification and biological nutrient removal could be achieved in the oxic/anoxic/extended-idle wastewater treatment regime. This study further investigat...
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Article
Temperature influence on biological phosphorus removal induced by aerobic/extended-idle regime
Previous researches have demonstrated that biological phosphorus removal (BPR) from wastewater could be driven by the aerobic/extended-idle (A/EI) regime. This study further investigated temperature effects on...
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Article
Open AccessIntersubband absorption properties of high Al content Al x Ga1−xN/GaN multiple quantum wells grown with different interlayers by metal organic chemical vapor deposition
High Al content Al x Ga1−xN/GaN multiple quantum well (MQW) films with different interlayers were grown by metal organic chemical vapor deposition. These MQWs were designed to ac...
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Chapter and Conference Paper
Flexible Workflow Autonomic Object Intelligence Algorithm Based on Extensible Mamdani Fuzzy Reasoning System
In order to improve the intelligence of flexible workflow under uncertainty, especially with fuzzy information, a flexible workflow based on multi-Autonomic Object (AOs) is proposed. The architecture of the AO...
