Investigation of the confined states and oscillator strength of conical quantum dots with wetting layer embedded in nanowire
Abstract The quantum dots embedded in nanowires are of great interest for their applications in nanolasers and quantum emitters. In this regard, the electronic confined states and optical properties of an InAs conical quantum dot located on an InAs wetting layer and embedded in an infinite GaAs nano...
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| Autor*in: |
Rahimi, Fatemeh [verfasserIn] |
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| Format: |
E-Artikel |
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| Sprache: |
Englisch |
| Erschienen: |
2022 |
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| Schlagwörter: |
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| Anmerkung: |
© The Author(s), under exclusive licence to Springer Science+Business Media, LLC, part of Springer Nature 2022. Springer Nature or its licensor (e.g. a society or other partner) holds exclusive rights to this article under a publishing agreement with the author(s) or other rightsholder(s); author self-archiving of the accepted manuscript version of this article is solely governed by the terms of such publishing agreement and applicable law. |
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| Übergeordnetes Werk: |
Enthalten in: Optical and quantum electronics - Dordrecht [u.a.] : Springer Science + Business Media B.V, 1969, 55(2022), 2 vom: 17. Dez. |
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| Übergeordnetes Werk: |
volume:55 ; year:2022 ; number:2 ; day:17 ; month:12 |
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| DOI / URN: |
10.1007/s11082-022-04356-6 |
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| Katalog-ID: |
SPR048901121 |
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| 520 | |a Abstract The quantum dots embedded in nanowires are of great interest for their applications in nanolasers and quantum emitters. In this regard, the electronic confined states and optical properties of an InAs conical quantum dot located on an InAs wetting layer and embedded in an infinite GaAs nanowire are investigated theoretically. This is accomplished by numerically solving the Schrodinger equation using the effective mass approximation. The results show the existence of an energy continuum for each cannel of angular momentum whose lower limit raises by the angular momentum. This causes discrete bound states of higher angular momentum to lie in the continuum of the lower ones. On the other hand, although the confined energy levels decrease smoothly by increasing the nanowire radius, their decline by dot radius and height represents some step-like features. This effect could be explained based on the relative concentration of the electron probability density in the dot and wetting layer. Finally the oscillation strength for intersubband transition between confined energy states of the system have been investigated. | ||
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| 650 | 4 | |a Conical quantum dot |7 (dpeaa)DE-He213 | |
| 650 | 4 | |a Wetting layer |7 (dpeaa)DE-He213 | |
| 650 | 4 | |a Oscillator strength |7 (dpeaa)DE-He213 | |
| 700 | 1 | |a Kazerani Vahdani, Mohammad Reza |4 aut | |
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10.1007/s11082-022-04356-6 doi (DE-627)SPR048901121 (SPR)s11082-022-04356-6-e DE-627 ger DE-627 rakwb eng Rahimi, Fatemeh verfasserin aut Investigation of the confined states and oscillator strength of conical quantum dots with wetting layer embedded in nanowire 2022 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © The Author(s), under exclusive licence to Springer Science+Business Media, LLC, part of Springer Nature 2022. Springer Nature or its licensor (e.g. a society or other partner) holds exclusive rights to this article under a publishing agreement with the author(s) or other rightsholder(s); author self-archiving of the accepted manuscript version of this article is solely governed by the terms of such publishing agreement and applicable law. Abstract The quantum dots embedded in nanowires are of great interest for their applications in nanolasers and quantum emitters. In this regard, the electronic confined states and optical properties of an InAs conical quantum dot located on an InAs wetting layer and embedded in an infinite GaAs nanowire are investigated theoretically. This is accomplished by numerically solving the Schrodinger equation using the effective mass approximation. The results show the existence of an energy continuum for each cannel of angular momentum whose lower limit raises by the angular momentum. This causes discrete bound states of higher angular momentum to lie in the continuum of the lower ones. On the other hand, although the confined energy levels decrease smoothly by increasing the nanowire radius, their decline by dot radius and height represents some step-like features. This effect could be explained based on the relative concentration of the electron probability density in the dot and wetting layer. Finally the oscillation strength for intersubband transition between confined energy states of the system have been investigated. Quantum dot nanowire (dpeaa)DE-He213 Conical quantum dot (dpeaa)DE-He213 Wetting layer (dpeaa)DE-He213 Oscillator strength (dpeaa)DE-He213 Kazerani Vahdani, Mohammad Reza aut Enthalten in Optical and quantum electronics Dordrecht [u.a.] : Springer Science + Business Media B.V, 1969 55(2022), 2 vom: 17. Dez. (DE-627)312693869 (DE-600)2000642-1 1572-817X nnns volume:55 year:2022 number:2 day:17 month:12 https://dx.doi.org/10.1007/s11082-022-04356-6 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_105 GBV_ILN_110 GBV_ILN_120 GBV_ILN_138 GBV_ILN_150 GBV_ILN_151 GBV_ILN_152 GBV_ILN_161 GBV_ILN_170 GBV_ILN_171 GBV_ILN_187 GBV_ILN_206 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_250 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_636 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2031 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2088 GBV_ILN_2093 GBV_ILN_2106 GBV_ILN_2107 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2119 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2188 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2446 GBV_ILN_2470 GBV_ILN_2472 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2548 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4246 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4328 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 AR 55 2022 2 17 12 |
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10.1007/s11082-022-04356-6 doi (DE-627)SPR048901121 (SPR)s11082-022-04356-6-e DE-627 ger DE-627 rakwb eng Rahimi, Fatemeh verfasserin aut Investigation of the confined states and oscillator strength of conical quantum dots with wetting layer embedded in nanowire 2022 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © The Author(s), under exclusive licence to Springer Science+Business Media, LLC, part of Springer Nature 2022. Springer Nature or its licensor (e.g. a society or other partner) holds exclusive rights to this article under a publishing agreement with the author(s) or other rightsholder(s); author self-archiving of the accepted manuscript version of this article is solely governed by the terms of such publishing agreement and applicable law. Abstract The quantum dots embedded in nanowires are of great interest for their applications in nanolasers and quantum emitters. In this regard, the electronic confined states and optical properties of an InAs conical quantum dot located on an InAs wetting layer and embedded in an infinite GaAs nanowire are investigated theoretically. This is accomplished by numerically solving the Schrodinger equation using the effective mass approximation. The results show the existence of an energy continuum for each cannel of angular momentum whose lower limit raises by the angular momentum. This causes discrete bound states of higher angular momentum to lie in the continuum of the lower ones. On the other hand, although the confined energy levels decrease smoothly by increasing the nanowire radius, their decline by dot radius and height represents some step-like features. This effect could be explained based on the relative concentration of the electron probability density in the dot and wetting layer. Finally the oscillation strength for intersubband transition between confined energy states of the system have been investigated. Quantum dot nanowire (dpeaa)DE-He213 Conical quantum dot (dpeaa)DE-He213 Wetting layer (dpeaa)DE-He213 Oscillator strength (dpeaa)DE-He213 Kazerani Vahdani, Mohammad Reza aut Enthalten in Optical and quantum electronics Dordrecht [u.a.] : Springer Science + Business Media B.V, 1969 55(2022), 2 vom: 17. Dez. (DE-627)312693869 (DE-600)2000642-1 1572-817X nnns volume:55 year:2022 number:2 day:17 month:12 https://dx.doi.org/10.1007/s11082-022-04356-6 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_105 GBV_ILN_110 GBV_ILN_120 GBV_ILN_138 GBV_ILN_150 GBV_ILN_151 GBV_ILN_152 GBV_ILN_161 GBV_ILN_170 GBV_ILN_171 GBV_ILN_187 GBV_ILN_206 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_250 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_636 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2031 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2088 GBV_ILN_2093 GBV_ILN_2106 GBV_ILN_2107 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2119 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2188 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2446 GBV_ILN_2470 GBV_ILN_2472 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2548 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4246 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4328 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 AR 55 2022 2 17 12 |
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10.1007/s11082-022-04356-6 doi (DE-627)SPR048901121 (SPR)s11082-022-04356-6-e DE-627 ger DE-627 rakwb eng Rahimi, Fatemeh verfasserin aut Investigation of the confined states and oscillator strength of conical quantum dots with wetting layer embedded in nanowire 2022 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © The Author(s), under exclusive licence to Springer Science+Business Media, LLC, part of Springer Nature 2022. Springer Nature or its licensor (e.g. a society or other partner) holds exclusive rights to this article under a publishing agreement with the author(s) or other rightsholder(s); author self-archiving of the accepted manuscript version of this article is solely governed by the terms of such publishing agreement and applicable law. Abstract The quantum dots embedded in nanowires are of great interest for their applications in nanolasers and quantum emitters. In this regard, the electronic confined states and optical properties of an InAs conical quantum dot located on an InAs wetting layer and embedded in an infinite GaAs nanowire are investigated theoretically. This is accomplished by numerically solving the Schrodinger equation using the effective mass approximation. The results show the existence of an energy continuum for each cannel of angular momentum whose lower limit raises by the angular momentum. This causes discrete bound states of higher angular momentum to lie in the continuum of the lower ones. On the other hand, although the confined energy levels decrease smoothly by increasing the nanowire radius, their decline by dot radius and height represents some step-like features. This effect could be explained based on the relative concentration of the electron probability density in the dot and wetting layer. Finally the oscillation strength for intersubband transition between confined energy states of the system have been investigated. Quantum dot nanowire (dpeaa)DE-He213 Conical quantum dot (dpeaa)DE-He213 Wetting layer (dpeaa)DE-He213 Oscillator strength (dpeaa)DE-He213 Kazerani Vahdani, Mohammad Reza aut Enthalten in Optical and quantum electronics Dordrecht [u.a.] : Springer Science + Business Media B.V, 1969 55(2022), 2 vom: 17. Dez. (DE-627)312693869 (DE-600)2000642-1 1572-817X nnns volume:55 year:2022 number:2 day:17 month:12 https://dx.doi.org/10.1007/s11082-022-04356-6 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_105 GBV_ILN_110 GBV_ILN_120 GBV_ILN_138 GBV_ILN_150 GBV_ILN_151 GBV_ILN_152 GBV_ILN_161 GBV_ILN_170 GBV_ILN_171 GBV_ILN_187 GBV_ILN_206 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_250 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_636 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2031 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2088 GBV_ILN_2093 GBV_ILN_2106 GBV_ILN_2107 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2119 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2188 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2446 GBV_ILN_2470 GBV_ILN_2472 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2548 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4246 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4328 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 AR 55 2022 2 17 12 |
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10.1007/s11082-022-04356-6 doi (DE-627)SPR048901121 (SPR)s11082-022-04356-6-e DE-627 ger DE-627 rakwb eng Rahimi, Fatemeh verfasserin aut Investigation of the confined states and oscillator strength of conical quantum dots with wetting layer embedded in nanowire 2022 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © The Author(s), under exclusive licence to Springer Science+Business Media, LLC, part of Springer Nature 2022. Springer Nature or its licensor (e.g. a society or other partner) holds exclusive rights to this article under a publishing agreement with the author(s) or other rightsholder(s); author self-archiving of the accepted manuscript version of this article is solely governed by the terms of such publishing agreement and applicable law. Abstract The quantum dots embedded in nanowires are of great interest for their applications in nanolasers and quantum emitters. In this regard, the electronic confined states and optical properties of an InAs conical quantum dot located on an InAs wetting layer and embedded in an infinite GaAs nanowire are investigated theoretically. This is accomplished by numerically solving the Schrodinger equation using the effective mass approximation. The results show the existence of an energy continuum for each cannel of angular momentum whose lower limit raises by the angular momentum. This causes discrete bound states of higher angular momentum to lie in the continuum of the lower ones. On the other hand, although the confined energy levels decrease smoothly by increasing the nanowire radius, their decline by dot radius and height represents some step-like features. This effect could be explained based on the relative concentration of the electron probability density in the dot and wetting layer. Finally the oscillation strength for intersubband transition between confined energy states of the system have been investigated. Quantum dot nanowire (dpeaa)DE-He213 Conical quantum dot (dpeaa)DE-He213 Wetting layer (dpeaa)DE-He213 Oscillator strength (dpeaa)DE-He213 Kazerani Vahdani, Mohammad Reza aut Enthalten in Optical and quantum electronics Dordrecht [u.a.] : Springer Science + Business Media B.V, 1969 55(2022), 2 vom: 17. Dez. (DE-627)312693869 (DE-600)2000642-1 1572-817X nnns volume:55 year:2022 number:2 day:17 month:12 https://dx.doi.org/10.1007/s11082-022-04356-6 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_105 GBV_ILN_110 GBV_ILN_120 GBV_ILN_138 GBV_ILN_150 GBV_ILN_151 GBV_ILN_152 GBV_ILN_161 GBV_ILN_170 GBV_ILN_171 GBV_ILN_187 GBV_ILN_206 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_250 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_636 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2031 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2088 GBV_ILN_2093 GBV_ILN_2106 GBV_ILN_2107 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2119 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2188 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2446 GBV_ILN_2470 GBV_ILN_2472 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2548 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4246 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4328 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 AR 55 2022 2 17 12 |
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10.1007/s11082-022-04356-6 doi (DE-627)SPR048901121 (SPR)s11082-022-04356-6-e DE-627 ger DE-627 rakwb eng Rahimi, Fatemeh verfasserin aut Investigation of the confined states and oscillator strength of conical quantum dots with wetting layer embedded in nanowire 2022 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © The Author(s), under exclusive licence to Springer Science+Business Media, LLC, part of Springer Nature 2022. Springer Nature or its licensor (e.g. a society or other partner) holds exclusive rights to this article under a publishing agreement with the author(s) or other rightsholder(s); author self-archiving of the accepted manuscript version of this article is solely governed by the terms of such publishing agreement and applicable law. Abstract The quantum dots embedded in nanowires are of great interest for their applications in nanolasers and quantum emitters. In this regard, the electronic confined states and optical properties of an InAs conical quantum dot located on an InAs wetting layer and embedded in an infinite GaAs nanowire are investigated theoretically. This is accomplished by numerically solving the Schrodinger equation using the effective mass approximation. The results show the existence of an energy continuum for each cannel of angular momentum whose lower limit raises by the angular momentum. This causes discrete bound states of higher angular momentum to lie in the continuum of the lower ones. On the other hand, although the confined energy levels decrease smoothly by increasing the nanowire radius, their decline by dot radius and height represents some step-like features. This effect could be explained based on the relative concentration of the electron probability density in the dot and wetting layer. Finally the oscillation strength for intersubband transition between confined energy states of the system have been investigated. Quantum dot nanowire (dpeaa)DE-He213 Conical quantum dot (dpeaa)DE-He213 Wetting layer (dpeaa)DE-He213 Oscillator strength (dpeaa)DE-He213 Kazerani Vahdani, Mohammad Reza aut Enthalten in Optical and quantum electronics Dordrecht [u.a.] : Springer Science + Business Media B.V, 1969 55(2022), 2 vom: 17. Dez. (DE-627)312693869 (DE-600)2000642-1 1572-817X nnns volume:55 year:2022 number:2 day:17 month:12 https://dx.doi.org/10.1007/s11082-022-04356-6 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_105 GBV_ILN_110 GBV_ILN_120 GBV_ILN_138 GBV_ILN_150 GBV_ILN_151 GBV_ILN_152 GBV_ILN_161 GBV_ILN_170 GBV_ILN_171 GBV_ILN_187 GBV_ILN_206 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_250 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_636 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2031 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2088 GBV_ILN_2093 GBV_ILN_2106 GBV_ILN_2107 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2119 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2188 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2446 GBV_ILN_2470 GBV_ILN_2472 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2548 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4246 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4328 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 AR 55 2022 2 17 12 |
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Rahimi, Fatemeh |
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Investigation of the confined states and oscillator strength of conical quantum dots with wetting layer embedded in nanowire Quantum dot nanowire (dpeaa)DE-He213 Conical quantum dot (dpeaa)DE-He213 Wetting layer (dpeaa)DE-He213 Oscillator strength (dpeaa)DE-He213 |
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investigation of the confined states and oscillator strength of conical quantum dots with wetting layer embedded in nanowire |
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Investigation of the confined states and oscillator strength of conical quantum dots with wetting layer embedded in nanowire |
| abstract |
Abstract The quantum dots embedded in nanowires are of great interest for their applications in nanolasers and quantum emitters. In this regard, the electronic confined states and optical properties of an InAs conical quantum dot located on an InAs wetting layer and embedded in an infinite GaAs nanowire are investigated theoretically. This is accomplished by numerically solving the Schrodinger equation using the effective mass approximation. The results show the existence of an energy continuum for each cannel of angular momentum whose lower limit raises by the angular momentum. This causes discrete bound states of higher angular momentum to lie in the continuum of the lower ones. On the other hand, although the confined energy levels decrease smoothly by increasing the nanowire radius, their decline by dot radius and height represents some step-like features. This effect could be explained based on the relative concentration of the electron probability density in the dot and wetting layer. Finally the oscillation strength for intersubband transition between confined energy states of the system have been investigated. © The Author(s), under exclusive licence to Springer Science+Business Media, LLC, part of Springer Nature 2022. Springer Nature or its licensor (e.g. a society or other partner) holds exclusive rights to this article under a publishing agreement with the author(s) or other rightsholder(s); author self-archiving of the accepted manuscript version of this article is solely governed by the terms of such publishing agreement and applicable law. |
| abstractGer |
Abstract The quantum dots embedded in nanowires are of great interest for their applications in nanolasers and quantum emitters. In this regard, the electronic confined states and optical properties of an InAs conical quantum dot located on an InAs wetting layer and embedded in an infinite GaAs nanowire are investigated theoretically. This is accomplished by numerically solving the Schrodinger equation using the effective mass approximation. The results show the existence of an energy continuum for each cannel of angular momentum whose lower limit raises by the angular momentum. This causes discrete bound states of higher angular momentum to lie in the continuum of the lower ones. On the other hand, although the confined energy levels decrease smoothly by increasing the nanowire radius, their decline by dot radius and height represents some step-like features. This effect could be explained based on the relative concentration of the electron probability density in the dot and wetting layer. Finally the oscillation strength for intersubband transition between confined energy states of the system have been investigated. © The Author(s), under exclusive licence to Springer Science+Business Media, LLC, part of Springer Nature 2022. Springer Nature or its licensor (e.g. a society or other partner) holds exclusive rights to this article under a publishing agreement with the author(s) or other rightsholder(s); author self-archiving of the accepted manuscript version of this article is solely governed by the terms of such publishing agreement and applicable law. |
| abstract_unstemmed |
Abstract The quantum dots embedded in nanowires are of great interest for their applications in nanolasers and quantum emitters. In this regard, the electronic confined states and optical properties of an InAs conical quantum dot located on an InAs wetting layer and embedded in an infinite GaAs nanowire are investigated theoretically. This is accomplished by numerically solving the Schrodinger equation using the effective mass approximation. The results show the existence of an energy continuum for each cannel of angular momentum whose lower limit raises by the angular momentum. This causes discrete bound states of higher angular momentum to lie in the continuum of the lower ones. On the other hand, although the confined energy levels decrease smoothly by increasing the nanowire radius, their decline by dot radius and height represents some step-like features. This effect could be explained based on the relative concentration of the electron probability density in the dot and wetting layer. Finally the oscillation strength for intersubband transition between confined energy states of the system have been investigated. © The Author(s), under exclusive licence to Springer Science+Business Media, LLC, part of Springer Nature 2022. Springer Nature or its licensor (e.g. a society or other partner) holds exclusive rights to this article under a publishing agreement with the author(s) or other rightsholder(s); author self-archiving of the accepted manuscript version of this article is solely governed by the terms of such publishing agreement and applicable law. |
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Investigation of the confined states and oscillator strength of conical quantum dots with wetting layer embedded in nanowire |
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Kazerani Vahdani, Mohammad Reza |
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10.1007/s11082-022-04356-6 |
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