Dr. David Boris Hayrapetyan Profile

Dr. David Boris Hayrapetyan

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Publications (13)

Proceedings Article | 4 October 2024 Poster + Paper

Single electron states and intraband absorption in GaAs biconical quantum dot

S. Gavalajyan, P. Mantashyan, E. Kazaryan, D. Hayrapetyan

Proceedings Volume 13120, 1312005 (2024) https://doi.org/10.1117/12.3030914

KEYWORDS: Absorption, Electric fields, Gallium arsenide, Absorption spectrum, Finite element methods, Quantum dots, Quantum confinement, Semiconductors

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Proceedings Article | 24 May 2022 Poster + Paper

Second and third-harmonic generation in strongly oblate ellipsoidal quantum dot under electric field

Gagik Ohanyan, David Hayrapetyan

Proceedings Volume 12131, 121310Q (2022) https://doi.org/10.1117/12.2621144

KEYWORDS: Second-harmonic generation, Quantum dots, Third-harmonic generation, Optical properties, Quantization, Gallium arsenide, Nanostructures

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Proceedings Article | 1 April 2020 Presentation + Paper

Optical parameters of coupled vertical cylindrical quantum dots with double modified Pöschl-Teller potential in terahertz range

M. Mkrtchyan, D. Hayrapetyan, E. Kazaryan, H. Sarkisyan

Proceedings Volume 11345, 113452B (2020) https://doi.org/10.1117/12.2555456

KEYWORDS: Absorption, Quantum dots, Quantization, Particles, Luminescence, Indium arsenide, Semiconductors, Nanoelectronics, Electron holes, Finite element methods

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Proceedings Article | 21 May 2018 Paper

Optical properties of biexcitons in ellipsoidal quantum dot

Y. Bleyan, D. Hayrapetyan, H. A. Sarkisyan, E. Kazaryan

Proceedings Volume 10674, 106741Q (2018) https://doi.org/10.1117/12.2318000

KEYWORDS: Excitons, Oscillators, Quantum dots, Optical properties, Absorption, Luminescence, Semiconductors, Quasiparticles, Gallium arsenide

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SPIE Journal Paper | 13 October 2017

Exciton states and direct interband light absorption in the ensemble of toroidal quantum dots

Davit Baghdasaryan, David Hayrapetyan, Hayk Sarkisyan, Eduard Kazaryan, Sergey Pokutnyi

JNP, Vol. 11, Issue 04, 046004, (October 2017) https://doi.org/10.1117/12.10.1117/1.JNP.11.046004

KEYWORDS: Absorption, Excitons, Quantum dots, Particles, Oscillators, Quantization, Finite element methods, Chemical elements, Spherical lenses, Nanostructures

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SPIE Journal Paper | 7 March 2016

Optical properties of narrow band prolate ellipsoidal quantum layers ensemble

Davit Baghdasaryan, David Hayrapetyan, Eduard Kazaryan

JNP, Vol. 10, Issue 03, 033508, (March 2016) https://doi.org/10.1117/12.10.1117/1.JNP.10.033508

KEYWORDS: Absorption, Electrons, Optical properties, Nanostructures, Semiconductors, Spherical lenses, Solar energy, Quantization, Solar cells, Particles

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Proceedings Article | 1 June 2015 Paper

Light absorption of cylindrical quantum dot with Morse potential in the presence of parallel electrical and magnetic fields

D. Hayrapetyan, E. Kazaryan, T. Kotanjyan, H. Tevosyan

Proceedings Volume 9519, 951919 (2015) https://doi.org/10.1117/12.2188294

KEYWORDS: Magnetism, Absorption, Quantum dots, Particles, Quantization, Gallium arsenide, Semiconductors, Electron holes, Magnetic semiconductors, Dielectrics

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Proceedings Article | 13 May 2013 Paper

Development of program package for investigation and modeling of carbon nanostructures in diamond like carbon films with the help of Raman scattering and infrared absorption spectra line resolving

David Hayrapetyan, Levon Hovhannisyan, Paytsar Mantashyan

Proceedings Volume 8788, 878825 (2013) https://doi.org/10.1117/12.2020385

KEYWORDS: Raman spectroscopy, Databases, Silicon, Carbon, Spectroscopy, Infrared radiation, Absorption, Crystals, Nickel, Raman scattering

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Proceedings Article | 6 May 2013 Paper

Influence of hydrostatic pressure on electronic states and optical properties of spherical quantum dots

D. Hayrapetyan, E. Kazaryan, H. Kh. Tevosyan

Proceedings Volume 8773, 877313 (2013) https://doi.org/10.1117/12.2016912

KEYWORDS: Quantum dots, Absorption, Spherical lenses, Particles, Quantization, Optical properties, Gallium arsenide, Organic light emitting diodes, Semiconductors, Semiconductor optoelectronics

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Proceedings Article | 26 January 2012 Paper

Coupling effects in quantum dot molecules

K. Dvoyan, A. A. Tshantshapanyan, D. B. Hayrapetyan, E. M. Kazaryan, Zh. M. Wang, G. J. Salamo

Proceedings Volume 8414, 841409 (2012) https://doi.org/10.1117/12.923564

KEYWORDS: Molecules, Aluminum, Particles, Quantum dots, Quantum wells, Gallium, Energy coupling, Quantization, Materials science, Thin film devices

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Proceedings Article | 26 January 2012 Paper

Direct interband light absorption in strongly oblate semi-ellipsoidal quantum dots' ensemble

David Hayrapetyan

Proceedings Volume 8414, 84140N (2012) https://doi.org/10.1117/12.923326

KEYWORDS: Absorption, Quantum dots, Particles, Electrons, Semiconductors, Quantization, Chemical species, Dielectrics, Spherical lenses, Dispersion

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Proceedings Article | 5 March 2011 Paper

Direct interband light absorption in strongly prolated ellipsoidal quantum dots' ensemble with modified Pöschl-Teller effective potential

K. Dvoyan, D. Hayrapetyan, E. Kazaryan, A. Tshantshapanyan

Proceedings Volume 7998, 79981F (2011) https://doi.org/10.1117/12.891403

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Proceedings Article | 11 September 2010 Paper

Preparation and investigation of diamond-like carbon nanocomposite thin films for nanophotonics

Zh. Panosyan, A. Gharibyan, A. Sargsyan, H. Panosyan, D. Hayrapetyan, Y. Yengibaryan

Proceedings Volume 7755, 77550Q (2010) https://doi.org/10.1117/12.863079

KEYWORDS: Refractive index, Carbon, Nitrogen, Raman spectroscopy, Plasma, Silicon, Plasma enhanced chemical vapor deposition, Diamond, Nanophotonics, Nanocomposites

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Showing 5 of 13 publications

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