Search Results - "Nadtochiy, Alexey M."
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Increasing the quantum efficiency of InAs/GaAs QD arrays for solar cells grown by MOVPE without using strain-balance technology
Published in Progress in photovoltaics (01-09-2016)“…Research into the formation of InAs quantum dots (QDs) in GaAs using the metalorganic vapor phase epitaxy technique is presented. This technique is deemed to…”
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Journal Article -
2
Light Emitting Devices Based on Quantum Well-Dots
Published in Applied sciences (01-02-2020)“…We review epitaxial formation, basic properties, and device applications of a novel type of nanostructures of mixed (0D/2D) dimensionality that we refer to as…”
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3
Hybrid multilevel-multiwavelength signaling scheme for optical data transmission
Published in Physica scripta (01-12-2023)“…We suggest an idea of data encoding scheme based on the switching from the ground state (GS) to excited state (ES) lasing in quantum dot (QD) lasers with…”
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Journal Article -
4
Saturated Layer Gain in Waveguides With InGaAs Quantum Well-Dot Heterostructures
Published in Journal of lightwave technology (01-12-2021)“…Modal absorptions in laser-like heterostructures containing InAs self-assembled quantum dots (QDs) and InGaAs quantum well-dots (QWDs) have been studied. The…”
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Journal Article -
5
Optical Loss in Microdisk Lasers With Dense Quantum Dot Arrays
Published in IEEE journal of quantum electronics (01-02-2023)“…We discuss the origin of optical losses in microdisk lasers with a dense array of InGaAs quantum dots in the active region. In particular, we study the effect…”
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6
Impact of Self-Heating and Elevated Temperature on Performance of Quantum Dot Microdisk Lasers
Published in IEEE journal of quantum electronics (01-10-2020)“…We discuss the effect of self-heating on performance of injection microdisk lasers operating in continuous-wave (CW) regime at room and elevated temperature. A…”
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7
Electro-optical resonance modulation of vertical-cavity surface-emitting lasers
Published in Optics express (27-02-2012)“…Optical and electrical investigations of vertical-cavity surface-emitting lasers (VCSEL) with a monolithically integrated electro-optical modulator (EOM) allow…”
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8
Gradual Evolution From Quantum‐Well‐Like to Quantum‐Dot‐Like Characteristics in InGaAs/GaAs Nanostructures
Published in physica status solidi (b) (01-09-2018)“…Dense arrays of carrier localizing indium‐rich regions (referred to as quantum well‐dots, QWDs) formed inside an indium‐depleted residual quantum well by…”
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9
Ultrasmall microdisk and microring lasers based on InAs/InGaAs/GaAs quantum dots
Published in Nanoscale research letters (04-12-2014)“…Ultrasmall microring and microdisk lasers with an asymmetric air/GaAs/Al 0.98 Ga 0.02 As waveguide and an active region based on InAs/InGaAs/GaAs quantum dots…”
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Comparative Analysis of InGaAs/GaAs Quantum Dots Produced by Various Epitaxial Techniques
Published in 2022 International Conference on Electrical Engineering and Photonics (EExPolytech) (20-10-2022)“…We present the results on the formation and micro-photoluminescence studies of In 0.63 Ga 0.37 As/GaAs quantum dots grown by metal-organic vapour-phase epitaxy…”
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Conference Proceeding -
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Output Power of III-V Injection Microdisk and Microring Lasers
Published in IEEE journal of selected topics in quantum electronics (01-03-2025)“…Technological progress makes it possible to significantly reduce the size of semiconductor laser emitters to microscales and sizes commensurate with the…”
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Journal Article -
12
Time-resolved temperature-dependent photoluminescence spectroscopy of InGaAs/GaAs quantum well-dots
Published in Journal of luminescence (01-03-2023)“…The paper presents the results of a study of dynamic properties of InGaAs quantum well-dots (QWD) embedded in a GaAs matrix carried out by time-resolved…”
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Journal Article -
13
Influence of the doping type on the temperature dependencies of the photoluminescence efficiency of InGaAlAs/InGaAs/InP heterostructures
Published in Journal of luminescence (01-11-2021)“…The temperature dependencies of photoluminescence efficiency of InGaAlAs/InGaAs/InP heterostructures with 1550 nm range strained quantum wells have been…”
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Journal Article -
14
Room Temperature Lasing in 1-μm Microdisk Quantum Dot Lasers
Published in IEEE journal of selected topics in quantum electronics (01-11-2015)“…Lasing characteristics of InAs/InGaAs quantum dot microdisks with diameter varied from 1 to 6 μm were studied under optical pumping. The disks were fabricated…”
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15
Single-Mode Emission From 4-9-μm Microdisk Lasers With Dense Array of InGaAs Quantum Dots
Published in Journal of lightwave technology (01-01-2015)“…A dense array of InGaAs quantum dots formed by MOCVD on a misoriented GaAs substrate has been used as an active medium of microdisk resonators of various…”
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Journal Article -
16
Influence of low temperatures and thermal annealing on the optical properties of InGaPAs quantum dots
Published in Nauchno-tekhnicheskiĭ vestnik informat͡s︡ionnykh tekhnologiĭ, mekhaniki i optiki (01-10-2022)“…The results of the study of the optical properties of low-density InGaPAs quantum dots, as well as the effect of low temperatures and thermal annealing…”
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17
Photoluminescence of GaPNAs/GaP(N) superlattices and bulk GaPN layers on GaP substrates
Published in Kondensirovannye sredy i mežfaznye granicy (12-07-2024)“…The addition of a few percent of nitrogen to GaP or GaPAs allows obtaining GaPNAs solid solutions that are lattice-matched to the silicon substrate over a wide…”
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18
15 mW of continuous wave single transverse mode output power from planar 960 nm bottom-emitting VCSELs with multiple tapered oxide layers
Published in 22nd IEEE International Semiconductor Laser Conference (01-09-2010)“…We report planar vertical cavity surface emitting lasers with record 15 mW of continuous wave single transverse mode output power that employ spatially…”
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Conference Proceeding