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Laser source

Silicon cascade

After almost 50 years of laser research, efficient and compact laser sources operating in the mid-infrared region from 2 μm to 5 μm are still lacking. Now, cascaded silicon Raman lasers look set to provide a convenient answer.

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Figure 1: Schematic representation of the cascaded silicon Raman laser demonstrated by Rong and co-workers.


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Thienpont, H. Silicon cascade. Nature Photon 2, 132–133 (2008).

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