Passive synthesis rules of coupled-cavity quantum cascade lasers

• Autorzy: Krysicki M. , Salski B. , Kopyt P.

Identyfikatory

DOI

10.1016/j.opelre.2019.08.001

• Języki publikacji: EN

Abstrakty

EN

A new approach to passive electromagnetic modelling of coupled–cavity quantum cascade lasers is presented in this paper. One of challenges in the rigorous analysis of such eigenvalue problem is its large size as compared to wavelength and a high quality factor, which prompts for substantial computational efforts. For those reasons, it is proposed in this paper to consider such a coupled-cavity Fabry-Perot resonant structure with partially transparent mirrors as a two-port network, which can be considered as a deterministic problem. Thanks to such a novel approach, passive analysis of an electrically long laser can be split into a cascade of relatively short sections having low quality factor, thus, substantially speeding up rigorous electromagnetic analysis of the whole quantum cascade laser. The proposed method allows to determine unequivocally resonant frequencies of the structure and the corresponding spectrum of a threshold gain. Eventually, the proposed method is used to elaborate basic synthesis rules of coupled–cavity quantum cascade lasers.

Słowa kluczowe

EN

quantum cascade laser; coupled cavities; resonance characterization; threshold gain; lasers

• Wydawca: Stowarzyszenie Elektryków Polskich ; Polska Akademia Nauk ; Wojskowa Akademia Techniczna im. Jarosława Dąbrowskiego
• Czasopismo: Opto-Electronics Review
• Rocznik: 2019
• Tom: Vol. 27, No. 3
• Strony: 268--274
• Opis fizyczny: Bibliogr. 22 poz., wykr., rys., tab.

Twórcy

autor

Krysicki M.

• Institute of Radioelectronics and Multimedia Technology, Warsaw University of Technology, ul. Nowowiejska 15/19, 00-665 Warsaw, Poland

autor

Salski B.

• Institute of Radioelectronics and Multimedia Technology, Warsaw University of Technology, ul. Nowowiejska 15/19, 00-665 Warsaw, Poland

autor

Kopyt P.

• Institute of Radioelectronics and Multimedia Technology, Warsaw University of Technology, ul. Nowowiejska 15/19, 00-665 Warsaw, Poland

Bibliografia

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Uwagi

Opracowanie rekordu w ramach umowy 509/P-DUN/2018 ze środków MNiSW przeznaczonych na działalność upowszechniającą naukę (2019).

This work was partially supported by the Polish National Science Center within the SONATA project titled “Full-wave electro-magnetic modelling of coherent radiation in electrically-pumpedmetal-clad semiconductor lasers with a folded cavity” (UMO-2014/15/D/ST7/05221).