Nonlinear absorption in silicon and the
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Raghunathan, Varun ;Shori, Ramesh ;Stafsudd, Oscar M. ;Jalali, Bahram
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Article
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2006
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John Wiley and Sons
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English
β 125 KB
## Abstract We present the first experimental results of nonlinear absorption in silicon at the mid infrared wavelengths. Nonlinear losses due to twoβphoton and freeβcarrier absorption that are found to degrade near infrared silicon Raman devices become negligible at photon energies less than half