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News and Views
Nature Photonics 2, 132 - 133 (2008)
doi:10.1038/nphoton.2008.11
Laser source: Silicon cascade
Hugo Thienpont1
- Hugo Thienpont is in the Department of Applied Physics and Photonics, Vrije Universiteit Brussel, Pleinlaan 2, 1050 Brussels, Belgium.
e-mail: hthienpo@vub.ac.be
Abstract
After almost 50 years of laser research, efficient and compact laser sources operating in the mid-infrared region from 2 
m to 5 m are still lacking. Now, cascaded silicon Raman lasers look set to provide a convenient answer.
Although lasers presently cover a far broader wavelength range than could have been envisioned when they were first invented in 1960, the application-rich mid-infrared region between 2 m and 5 m remains a virtually untouched and unexploited territory.Now, this could be about to change.
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