Search Results - "Bakhvalov, K. V."
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High-Power CW InGaAs/AlGaAs (1070 nm) Lasers with a Broadened Lateral Waveguide of the Mesa-Stripe Design
Published in Semiconductors (Woodbury, N.Y.) (01-04-2021)“…Semiconductor lasers with a 10-μm-wide lateral mesa-stripe waveguide are developed, and their radiative characteristics are studied. It is shown that the…”
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Journal Article -
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Light Characteristics of Narrow-Stripe High-Power Semiconductor Lasers (1060 nm) Based on Asymmetric AlGaAs/GaAs Heterostructures with a Broad Waveguide
Published in Semiconductors (Woodbury, N.Y.) (01-04-2020)“…The emission characteristics of narrow mesa-stripe (5 . 5 μm) lasers based on asymmetric AlGaAs/GaAs heterostructures are studied. It is shown that the maximum…”
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High-Power Multimode Laser Diodes (λ = 976 nm) Based on Asymmetric Heterostructures with a Broadened Waveguide and Reduced Vertical Divergence
Published in Bulletin of the Lebedev Physics Institute (01-12-2023)“…The effect of the active region design on the vertical far-field divergence is studied for high-power laser diodes based on asymmetric heterostructures with a…”
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Journal Article -
4
Single-Mode Lasers (1050 nm) of Mesa-Stripe Design Based on an AlGaAs/GaAs Heterostructure with an Ultra-Narrow Waveguide
Published in Semiconductors (Woodbury, N.Y.) (01-04-2020)“…The emission characteristics of single-mode lasers based on an AlGaAs/GaAs heterostructure with an ultra-narrow waveguide are studied. It is shown that using…”
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Journal Article -
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Output Optical Power Dynamics of Semiconductor Lasers (1070 nm) with a Few-Mode Lateral Waveguide of Mesa-Stripe Design at Ultrahigh Drive Currents
Published in Technical physics letters (01-05-2021)“…Characteristics of semiconductor lasers based on asymmetric heterostructures with broadened lateral waveguide of mesa-stripe design have been studied at…”
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Study of the pulse characteristics of semiconductor lasers with a broadened waveguide at low temperatures (110–120 K)
Published in Semiconductors (Woodbury, N.Y.) (01-10-2016)“…Pulse-pumped MOVPE-fabricated (metal-organic vapor-phase epitaxy) semiconductor lasers emitting in the spectral ranges 1000–1100 and 1400–1600 nm at…”
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On the problem of internal optical loss and current leakage in laser heterostructures based on AlGaInAs/InP solid solutions
Published in Semiconductors (Woodbury, N.Y.) (01-09-2016)“…Semiconductor lasers based on MOCVD-grown AlGaInAs/InP separate-confinement heterostructures are studied. It is shown that raising only the energy-gap width of…”
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Theoretical analysis of spatial current turn-on dynamics in high-power AlGaAs/GaAs laser-thyristors with an optical feedback
Published in 2020 International Conference Laser Optics (ICLO) (02-11-2020)“…A numerical study of laser-thyristors spatial current turn-on dynamics is carried out. It is shown that the presence of optical feedback can reduce the maximum…”
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Conference Proceeding -
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Dependence of the electron capture velocity on the quantum-well depth in semiconductor lasers
Published in Semiconductors (Woodbury, N.Y.) (01-05-2016)“…Three laser structures with a single strained InGaAs quantum well of different depths and a GaAs or Al 0.1 Ga 0.9 As waveguide region are grown by…”
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Journal Article -
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Laser-diode bars based on AlGaAsP/GaAs heterostructures emitting at a wavelength of 850 nm
Published in Semiconductors (Woodbury, N.Y.) (01-03-2014)“…Two types of laser heterostructures, i.e., those without internal mechanical stress compensation, with AlGaAs-alloy emitter and waveguide layers (type 1), and…”
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850-nm diode lasers with different ways of compensating for internal mechanical stresses in an AlGaAs:P/GaAs heterostructure
Published in Semiconductors (Woodbury, N.Y.) (01-08-2013)“…MOS hydride epitaxy is used to grow AlGaAs/GaAs heterostructures both without compensation and with compensation for internal mechanical stresses by the…”
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Semiconductor lasers with internal wavelength selection
Published in Semiconductors (Woodbury, N.Y.) (2013)“…Laser diodes with a deep built-in trapezoidal large-period diffraction grating have been developed on the basis of InGaAs/GaAs/AlGaAs heterostructures. The…”
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13
Temperature dependence of the threshold current density in semiconductor lasers (λ = 1050–1070 nm)
Published in Semiconductors (Woodbury, N.Y.) (01-09-2012)“…The temperature dependences of the threshold current density and threshold concentration in semiconductor lasers based on MOVPE-grown asymmetric…”
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Journal Article -
14
Near field dynamics of a 1060 nm single-mode laser diode based on InGaAs/AlGaAs/GaAs
Published in 2020 International Conference Laser Optics (ICLO) (02-11-2020)“…Near field dynamics of a single-mode laser diode (λ= 1060 nm) based on InGaAs/AlGaAs/GaAs is studied. A narrow-stripe laser diode with a straight ridge of…”
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Conference Proceeding -
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Closed mode structures in large rectangular closed resonators based on AlGaAs/GaAs heterostructures
Published in 2018 International Conference Laser Optics (ICLO) (01-06-2018)“…The study considers mode structure formation in large size planar rectangular cavities. Cavity samples with cleaved edges were based on AlGaAs/GaAs QW laser…”
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Conference Proceeding