Modelowanie transportu elektronów w kwantowych laserach kaskadowych

Kolek, A.

doi:10.15199/ELE-2014-186

Artykuł - szczegóły

Tytuł artykułu

Modelowanie transportu elektronów w kwantowych laserach kaskadowych

Autorzy

Kolek A.

Identyfikatory

DOI

10.15199/ELE-2014-186

Warianty tytułu

Modeling of electron transport in quantum cascade lasers

Konferencja

Krajowa Konferencja Elektroniki (13 ; 09-13.06.2014 ; Darłówko Wschodnie, Polska)

Języki publikacji

Abstrakty

W artykule omówiono metody modelowania obszaru aktywnego struktury kwantowego lasera kaskadowego. Na przykładzie struktury lasera, emitującego w zakresie średniej podczerwieni, wskazano analogie i różnice między obrazem transportu elektronowego wynikające z analizy z użyciem m.in. najprostszego modelu równań kinetycznych, metody macierzy gęstości oraz najbardziej zaawansowanym modelem bazującym na formalizmie nierównowagowych funkcji Greena. Uzupełnieniem ww. metod jest metoda Monte Carlo, w której możliwe jest m.in. uwzględnienie rozproszeń elektron-elektron oraz rozproszeń międzydolinowych.

In the paper, the modeling methods of active region of quantum cascade laser (QCL) structure are reviewed. For QCL structure, emitting in the mid-infrared range, the similarities and the differences between electron transport image resulting from (i) the simplest rate equations model, (ii) the density matrix method, and (iii) the most advanced model based on nonequilibrium Green’s formalism are discussed. The Monte Carlo method, which benefits from including electron-electron, electron-photon, and intervalleys scatterings, is also considered.

Słowa kluczowe

kwantowy laser kaskadowy transport elektronowy wzmocnienie optyczne równania kinetyczne macierz gęstości nierównowagowe funkcje Greena

quantum cascade laser electron transport optical gain kinetic equations density matrix nonequilibrium Green’s functions

Wydawca

Wydawnictwo SIGMA-NOT

Czasopismo

Elektronika : konstrukcje, technologie, zastosowania

Rocznik

2014

Tom

Vol. 55, nr 11

Strony

18--26

Opis fizyczny

Bibliogr. 36 poz., rys.

Twórcy

autor

Kolek A.

Politechnika Rzeszowska, Katedra Podstaw Elektroniki

Bibliografia

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Uwagi

Pracę wykonano w ramach projektu finansowanego przez Narodowe Centrum Badań i Rozwoju – projekt badawczy nr PBS1/B3/2/2012 (EDEN).

Typ dokumentu

Bibliografia

Identyfikator YADDA

bwmeta1.element.baztech-e0887709-2666-41e7-b7fd-3e728e7b7a53