TY - JOUR T1 - Intersubband electroluminescence in GaAs/AlGaAs quantum cascade structures JO - Electronics Letters PY - 1997/10/23 AU - Li YB AU - Cockburn JW AU - Skolnick MS AU - Birkett MJ AU - Duck JP AU - Grey R AU - Hill G ED - DO - DOI: 10.1049/el:19971209 PB - Institution of Engineering and Technology (IET) VL - 33 IS - 22 SP - 1874 EP - 1874 Y2 - 2025/07/27 ER -