Dunbar, L. A.Moreau, V.Ferrini, R.Houdré, R.Sirigu, L.Scalari, G.Giovannini, M.Hoyler, N.Faist, J.2007-08-312007-08-312007-08-31200510.1364/OPEX.13.008960https://infoscience.epfl.ch/handle/20.500.14299/11572WOS:000232977500031Design, fabrication and optical characterisation of quantum cascade lasers at terahertz frequencies using photonic crystal reflectorstext::journal::journal article::research article