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  • Title: Coherent ultrashort pulse generation from incoherent light by pulse trapping in birefringent fibers.
    Author: Shiraki E, Nishizawa N.
    Journal: Opt Express; 2012 May 07; 20(10):11073-82. PubMed ID: 22565730.
    Abstract:
    We investigated the nonlinear fiber phenomena of pulse trapping and amplification between incoherent light and an ultrashort soliton pulse in birefringent fibers both experimentally and numerically. Using the phenomena in a 1.4 km-long low-birefringence fiber, a coherent, nearly transform-limited, sech2-shaped, ultrashort pulse was generated from incoherent light from a super-luminescent diode. The average pulse energy and pulse width were 121 pJ and 640 fs, respectively. The estimated gain of this system was as large as 62 dB.
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