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High-power, high-wall-plug-efficiency quantum cascade lasers with high-brightness in continuous wave operation at 3–300μm [PDF]
Light: Science & ApplicationsQuantum cascade lasers (QCLs) are unipolar quantum devices based on inter-sub-band transitions. They break the electron-hole recombination mechanism in traditional semiconductor lasers, overcome the long-lasting bottleneck which is that the emission ...
Manijeh Razeghi, Yanbo Bai, Feihu Wang
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Fast Response GaAs Photodetector Based on Constructing Electron Transmission Channel
Crystals, 2021 Low-dimensional GaAs photodetectors have drawn a great deal of attention because of their unique absorption properties and superior responsivity. However, their slow response speed caused by surface states presents challenges.
Shuai Guo +7 more
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Crystals, 2023 Strain engineering is an effective way to adjust the sensing properties of two-dimensional materials. In this paper, lateral heterojunctions (LHSs) based on arsenic and antimony have been designed along the armchair (AC) or zigzag (ZZ) edges.
Li Yang +7 more
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Frontiers in Chemistry, 2022 The band gap of lateral heterojunctions (LHSs) can be continuously tuned by changing the widths of their components. In this work, Sb/Bi LHSs based on monolayer Sb and Bi atoms with armchair and zigzag interfaces are constructed, respectively.
Yanyan Zhan +7 more
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Photonics, 2021 As the application requirements of semiconductor lasers continue to increase, severe challenges are brought to the reliability of semiconductor lasers.
Tianyu Sun, Lei Qiao, Mingjun Xia
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Processes of the Reliability and Degradation Mechanism of High-Power Semiconductor Lasers
Crystals, 2022 High-power semiconductor lasers have attracted widespread attention because of their small size, easy modulation, and high conversion efficiency. They play an important role in national economic construction and national defense construction, including ...
Yue Song +11 more
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Advances in silicon-based, integrated tunable semiconductor lasers
Nanophotonics, 2023 Tunable semiconductor lasers have many important applications such as wavelength division multiplexing, light detection and ranging, and gas detection. The increased interest in silicon photonics has led to the rapid development of miniaturized on-chip ...
Yang Changjin +14 more
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Brief Review of Photocatalysis and Photoresponse Properties of ZnO–Graphene Nanocomposites
Energies, 2021 As a typical wide bandgap semiconductor, ZnO has received a great deal of attention from researchers because of its strong physicochemical characteristics. During the past few years, great progress has been made in the optoelectronic applications of ZnO,
Chenhao Gao +10 more
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Recent Developments of Quantum Dot Materials for High Speed and Ultrafast Lasers
Nanomaterials, 2022 Owing to their high integration and functionality, nanometer-scale optoelectronic devices based on III-V semiconductor materials are emerging as an enabling technology for fiber-optic communication applications.
Zhonghui Yao +6 more
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Fabrication of amorphous Al2O3 optical film with various refractive index and low surface roughness
Materials Research Express, 2020 Alumina(Al _2 O _3 ) thin film has been widely used in many applications due to its excellent properties, especially in optical films and semiconductor industries.
Yunping Lan +5 more
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