@article{article, title = {{Ultrafast probing of the complex refractive index in an active mid infrared quantum cascade laser}}, url = {{}}, year = {{2008}}, month = {{1}}, author = {{Parz W and Müller T and Austerer M and Strasser G and Unterrainer K and Wilson LR and Cockburn JW and Krysa AB and Roberts JS}}, journal = {{Optics InfoBase Conference Papers}}, note = {{Accessed on 2024/12/23}}}