Author Affiliations

Yu-Shuan Chang,¹ Wan-Shao Tsai,² and Way-Seen Wang^3,1

¹Graduate Institute of Photonics and Optoelectronics, National Taiwan University, No. 1 Sec. 4 Roosevelt Rd., Taipei 10617, Taiwan

²Department of Applied Materials and Optoelectronics Engineering, National Chi-Nan University, No.1, University Rd., Nantou 54561, Taiwan

³Department of Electrical Engineering, National Taiwan University, No. 1 Sec. 4 Roosevelt Rd., Taipei 10617, Taiwan