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Fiber optical parametric amplifier with double-pass pump configuration.

Kwok Shien Yeo, Faisal Rafiq Mahamd Adikan, Makhfudzah Mokhtar

    Optics Express
    |February 12, 2014
    PubMed
    Summary
    This summary is machine-generated.

    A double-pass pump fiber optical parametric amplifier (FOPA) offers a steeper gain slope. A secondary idler signal generated in the L-band is usable for optical distribution networks.

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    Area of Science:

    • Optoelectronics
    • Fiber optics
    • Nonlinear optics

    Background:

    • Fiber optical parametric amplifiers (FOPAs) are crucial for optical amplification.
    • Conventional FOPAs face limitations in gain slope and signal distribution.

    Purpose of the Study:

    • To investigate the characteristics of a double-pass pump FOPA.
    • To evaluate the performance of a secondary idler signal for optical distribution networks.

    Main Methods:

    • Experimental investigation of a double-pass pump FOPA.
    • Comparison of gain slope with conventional FOPA.
    • Generation and analysis of a secondary idler signal in the L-band.
    • Bit error rate experiments on the secondary idler.

    Main Results:

    • The double-pass pump FOPA demonstrated a more than two-fold steeper gain slope compared to conventional FOPA.
    • Elongation of effective fiber length contributed to the improved gain slope.
    • A secondary idler signal was successfully generated and utilized as a transmission signal.
    • Gain measurements and bit error rate tests confirmed the usability of the secondary idler.

    Conclusions:

    • The double-pass pump FOPA configuration significantly enhances gain slope.
    • The secondary idler signal is a viable option for L-band transmission in distribution networks.
    • This technology holds potential for improving optical distribution network performance.