1. National Taiwan University,Graduate Institute of Photonics and Optoelectronics,Taipei,Taiwan,102
2. National Chung Hsing University,Graduate Institute of Optoelectronic Engineering,Taichung,Taiwan,402
3. National Chung Hsing University,Department of Electronic Engineering,Taichung,Taiwan,402
4. National Kaohsiung University of Applied Sciences,Department of Electronic Engineering,Kaohsiung,Taiwan,800