@article{article, title  = {{Improved performance of In0.6Ga0.4As/AlAs0.67Sb0.33/InP quantum cascade lasers by introduction of AlAs barriers in the active regions}},

 url = {{}},

 year = {{2007}},

 month = {{7}},

 author = {{Revin DG and Cockburn JW and Steer MJ and Airey RJ and Hopkinson M and Krysa AB and Wilson LR and Menzel S}},

 doi = {{10.1063/1.2767767}},

 volume = {{91}},

 journal = {{APPL PHYS LETT}},

 issue = {{5}},

 note = {{Accessed on 2024/12/22}}}