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    National Tsing Hua University Institutional Repository > 理學院 > 物理系 > 期刊論文 >  Dynamic chirp control of all-optical format-converted pulsed data from a multi-wavelength inverse-optical-comb injected semiconductor optical amplifier


    Please use this identifier to cite or link to this item: http://nthur.lib.nthu.edu.tw/dspace/handle/987654321/82215


    Title: Dynamic chirp control of all-optical format-converted pulsed data from a multi-wavelength inverse-optical-comb injected semiconductor optical amplifier
    Authors: Gong-Ru Lin;Ci-Ling Pan;Kun-Chieh Yu
    教師: 潘犀靈
    Date: 2007
    Publisher: Optical Society of America
    Relation: Optics Express, v 15, n 20, p 13330-13339, October 1, 2007
    Keywords: EXTINCTION RATIO
    PHASE MODULATION
    LASER AMPLIFIERS
    CONVERSION
    NRZ
    RZ
    Abstract: By spectrally and temporally reshaping the gain- window of a traveling- wave semiconductor optical amplifier ( TWSOA) with a backward injected multi- or single- wavelength inverse- optical- comb, we theoretically and experimentally investigate the dynamic frequency chirp of the all- optical 10GBit/ s Return- to- Zero ( RZ) data- stream format- converted from the TWSOA under strong cross- gain depletion scheme. The multi- wavelength inverse- optical- comb injection effectively depletes the TWSOA gain spectrally and temporally, remaining a narrow gain- window and a reduced spectral linewidth and provide a converted RZ data with a smaller peak- to- peak frequency chirp of 6.7 GHz. Even at high inverse- optical- comb injection power and highly biased current condition for improving the operational bit- rate, the chirp of the multi- wavelength- injection converted RZ pulse is still 2.1- GHz smaller than that obtained by using single- wavelength injection at a cost of slight pulsewidth broadening by 1 ps.
    URI: http://www.osa.org/
    http://nthur.lib.nthu.edu.tw/dspace/handle/987654321/82215
    Appears in Collections:[物理系] 期刊論文

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