A new kind of dopantsemiconductor nanocrystal (quantum dot) doped into a fiber forming a quantum-dot-doped fiber and thereby configuring a quantum-dot-doped fiber amplifier (QDFA) is presented. The bandwidth, gain and noise of the QDFA is simulated by choosing a kind of PbSe quantum dot with 5.5-nm diameter and solving rate equations in a two-level system. The PbSe-QDFA is obviously advantageous in respects of the bandwidth and noise compared with usual erbium-doped fiber amplifiers available.


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    Titel :

    Modeling a Single Doped Quantum Dot Fiber Amplifier


    Beteiligte:
    Cheng, C. (Autor:in) / Zhang, H. (Autor:in) / Wang, X.Y. (Autor:in)


    Erscheinungsdatum :

    2006-09-01


    Format / Umfang :

    842871 byte




    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch



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