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Optica Applicata

Tytuł artykułu

Optical external efficiency calculation for mid-infrared quantum cascade laser

Autorzy Hamadou, A. 
Treść / Zawartość
Warianty tytułu
Języki publikacji EN
EN In this paper, we present a simple method for calculation of optical external efficiency of mid-infrared quantum cascade laser. The approach is based on the three-level rate equations describing the variation of the electron number in the excited states and the photon number present within the cavity. We have obtained a simple analytical formula for the optical external efficiency. The effects of cavity lengths and current injection are taken into account. It has been found that the optical external efficiency becomes more important at high current injection and at lower cavity lengths.
Słowa kluczowe
EN quantum cascade laser   rate equations   output power   optical external efficiency  
Wydawca Oficyna Wydawnicza Politechniki Wrocławskiej
Czasopismo Optica Applicata
Rocznik 2011
Tom Vol. 41, nr 3
Strony 717--725
Opis fizyczny Bibliogr. 21 poz.
autor Hamadou, A.
  • Département de Génie Mécanique, Université Abdelhamid Ibn Badis de Mostaganem, Algeria
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Identyfikator YADDA bwmeta1.element.baztech-article-BPW7-0018-0050