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Coupling effects in a photonic crystal microcavity with embedded semiconductor quantum dot

Identifieur interne : 000F92 ( Main/Repository ); précédent : 000F91; suivant : 000F93

Coupling effects in a photonic crystal microcavity with embedded semiconductor quantum dot

Auteurs : RBID : Pascal:13-0131269

Descripteurs français

Pascal (Inist)
- Cristal photonique, Microcavité, Point quantique semiconducteur, Arséniure d'indium, Semiconducteur III-V, Composé III-V, Arséniure de gallium, Point quantique, Nanomatériau, Exciton, Fonction corrélation, Facteur qualité, 4270Q, 8107T, 8535B, 8107B.

English descriptors

KwdEn :
- Correlation functions, Excitons, Gallium arsenides, III-V compound, III-V semiconductors, Indium arsenides, Microcavities, Nanostructured materials, Photonic crystals, Quality factor, Quantum dots, Semiconductor quantum dots.

Abstract

The present work investigates the effects of relevant parameters of InAs/GaAs quantum dot and photonic crystal slab-based microcavity on the QD-cavity coupling characteristics, in detail. We employ variational approach to find exciton state in QD and to find cavity modes we use the open source GME code. Calculations have performed in linear regime where excitons behave as bosons which correspond to the limit of low excitation. The dynamics of the system are studied using the first order correlation function (G⁽¹⁾(t,τ)). We will show how G⁽¹⁾ varies with time in both strong and weak coupling regimes. Our results indicate that the achieving of strong coupling regime is affected by the size of the quantum dot and how to engineer the photonic crystal microcavity to maximize the ratio of quality factor and mode volume.

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<author><name sortKey="Mehdizadeh Khasraghi, A" uniqKey="Mehdizadeh Khasraghi A">A. Mehdizadeh Khasraghi</name>
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<author><name sortKey="Soltani Vala, A" uniqKey="Soltani Vala A">A. Soltani Vala</name>
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<front><div type="abstract" xml:lang="en">The present work investigates the effects of relevant parameters of InAs/GaAs quantum dot and photonic crystal slab-based microcavity on the QD-cavity coupling characteristics, in detail. We employ variational approach to find exciton state in QD and to find cavity modes we use the open source GME code. Calculations have performed in linear regime where excitons behave as bosons which correspond to the limit of low excitation. The dynamics of the system are studied using the first order correlation function (G<sup>(1)</sup>
(t,τ)). We will show how G<sup>(1)</sup>
 varies with time in both strong and weak coupling regimes. Our results indicate that the achieving of strong coupling regime is affected by the size of the quantum dot and how to engineer the photonic crystal microcavity to maximize the ratio of quality factor and mode volume.</div>
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(t,τ)). We will show how G<sup>(1)</sup>
 varies with time in both strong and weak coupling regimes. Our results indicate that the achieving of strong coupling regime is affected by the size of the quantum dot and how to engineer the photonic crystal microcavity to maximize the ratio of quality factor and mode volume.</s0>
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Coupling effects in a photonic crystal microcavity with embedded semiconductor quantum dot

Coupling effects in a photonic crystal microcavity with embedded semiconductor quantum dot

Descripteurs français

English descriptors

Abstract

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Links to Exploration step

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