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    National Tsing Hua University Institutional Repository > 電機資訊學院 > 電機工程學系 > 會議論文  >  Four-wave mixing analysis of quantum dot and quantum well lasers

    Please use this identifier to cite or link to this item: http://nthur.lib.nthu.edu.tw/dspace/handle/987654321/83984

    Title: Four-wave mixing analysis of quantum dot and quantum well lasers
    Authors: H. H. Lin;C. H. Lin;W. J. Yen;F. Y. Lin
    教師: 林凡異
    Date: 2011
    Publisher: International Society for Optical Engineering
    Relation: SPIE Photonic West, San Francisco, USA, Jan. 22-27, 2011
    Keywords: Four-wave mixing
    quantum dot laser
    linewidth enhancement factor
    Abstract: In this paper, we characterize and compare a quantum dot and a quantum well lasers using the four-wave mixing analysis. The optical and power spectra of the four-wave mixing state in the quantum dot laser are studied both numerically and experimentally. The tendency of the amplitude versus detuning in the quantum dot laser is very similar to those seen in the quantum well laser. The four-wave mixing signals and the power spectra from both lasers are symmetric, while asymmetry in the regenerated signal is found. Compared to the quantum well lasers, the higher resonance peak of the regenerated signal of the quantum dot lasers appears on the opposite side of the detuning in the optical spectra. The intrinsic parameters of the lasers are also obtained by fitting the optical spectra and power spectra obtained experimentally with those derived directly from the rate equations. The measured value of the linewidth enhancement factor has a good agreement with that obtained by the injection locking method.
    Relation Link: http://spie.org/
    URI: http://nthur.lib.nthu.edu.tw/dspace/handle/987654321/83984
    Appears in Collections:[電機工程學系] 會議論文
    [光電工程研究所] 會議論文

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