[1] Natl Cheng Kung Univ, Adv Optoelect Technol Ctr, Ctr Micro Nano Sci & Technol, Inst Microelect, Tainan 70101, Taiwan
[2] Natl Cheng Kung Univ, Adv Optoelect Technol Ctr, Ctr Micro Nano Sci & Technol, Dept Elect Engn, Tainan 70101, Taiwan
[3] Natl Cheng Kung Univ, Instrument Dev Ctr, Tainan 701, Taiwan
[4] Natl Univ Tainan, Dept Elect Engn, Tainan 700, Taiwan
[5] Natl Nano Devices Labs, Tainan 741, Taiwan