@article{article, title = {{Photoluminescence spectroscopy of intersubband population inversion in aGaAs/AlxGa1鈭抶Astriple-barrier tunneling structure}}, publisher = {{American Physical Society (APS)}}, url = {{}}, year = {{1998}}, month = {{3}}, author = {{Li YB and Cockburn JW and Duck JP and Birkett MJ and Skolnick MS and Larkin IA and Hopkinson M and Grey R and Hill G}}, doi = {{10.1103/physrevb.57.6290}}, volume = {{57}}, journal = {{Physical Review B}}, issue = {{11}}, pages = {{6290-6293}}, note = {{Accessed on 2025/06/24}}}