Improvement of current crowding effect in VCSEL arrays with non-uniform oxidation aperture designYuanyuan Liu, Dongyue Jin, Xin Lei, Yuxin Zhou, Wanrong Zhang, Hongytm Xie, Weicong Na, Jlngfing Dai and Zhiyong WangMATEC Web Conf., 395 (2024) 01002DOI: https://doi.org/10.1051/matecconf/202439501002