Journal
OPTICS EXPRESS
Volume 15, Issue 22, Pages 14355-14362Publisher
OPTICAL SOC AMER
DOI: 10.1364/OE.15.014355
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We demonstrate, for the first time, a mid infrared silicon Raman amplifier. Amplification of 12 dB is reported for a signal at 3.39 micron wavelength. The active medium was a 2.5 cm long silicon sample that was pumped with 5ns pulses at 2.88 micron. Such a technology can potentially extend silicon photonics' application beyond data communication in the near IR and into the mid-IR world of remote sensing, biochemical detection and laser medicine. Challenges faced in the mid-IR regime such as a higher free carrier scattering rate and longer lifetimes in mid-IR waveguides are also discussed. (C) 2007 Optical Society of America.
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