Author Affiliations

Hansol Kim,^1,2 Hongjae Jung,¹ Yeeun Kim,¹ and Yoonchan Jeong^1,2,3,4

¹SNU Laser Laboratory, Department of Electrical and Computer Engineering, Seoul National University, Seoul 08826, South Korea

²Inter-University Semiconductor Research Center, Seoul National University, Seoul, 08226, Korea

³Institute of Applied Physics, Seoul National University, Seoul, 08226, Korea

⁴BK 21 FOUR, Seoul National University, Seoul, 08226, Korea