Researchers demonstrate all-optical wavelength conversion based on a resonant nonlinear process within a terahertz quantum cascade laser. The wavelength of the pump beam (812 nm) corresponds to the interband transitions of the laser. The researchers measured a power-conversion efficiency of 0.13% in the range of 812–818 nm, which is the highest value obtained for such a device.
- Julien Madéo
- Pierrick Cavalié
- Sukhdeep S. Dhillon
