The mid-infrared spectral region has attracted great research interest over the past decade, as it is important for many biomedical and sensing applications. However, there is still a major challenge to develop compact and tunable fiber-based light sources that operate at wavelengths beyond 2 μm.
Click here for original story, Raman amplification at 2.2 μm in silicon core fibers with prospects for extended mid-infrared source generation
Source: Phys.org