Electro-photoluminescence study in InGaAs/AlGaAs multi-quantum-wells Lili Han, Minglong Zhao, Xiansheng Tang, Wenxue Huo, Zhen Deng, Yang Jiang, Wenxin Wang, Hong Chen, Chunhua Du and Haiqiang Jia EPL, 132 2 (2020) 24004 Published online: 21 December 2020 DOI: 10.1209/0295-5075/132/24004