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research article
Analytical expression of pulse broadening in an arbitrary linear slow light medium
2012
We derive an analytical expression for the broadening of a Gaussian input pulse in an arbitrary linear slow light medium. The expression consists of two terms, one corresponding to amplitude broadening (low-pass filtering of the pulse bandwidth) and another corresponding to phase broadening (phase dispersion around the resonance). It is shown that for a Lorentzian gain profile, the amplitude broadening is dominant at small fractional delays. However, for large fractional delays, phase broadening is inevitably dominate.
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Name
OL_37_3171_2012.pdf
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Publisher's version
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openaccess
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142.16 KB
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Adobe PDF
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d0052298e0dec9873de7e8cb11db2711