1. School of Electronics Engineering
2. Chungbuk National University
3. Cheongju 28644
4. South Korea
5. School of Optical and Electronic Information & Wuhan National Laboratory for Optoelectronics
6. Huazhong University of Science and Technology
7. Wuhan 430074
8. China
9. Microelectronics Research Center
10. University of Texas at Austin
11. Austin
12. USA
13. Inter-university Semiconductor Research Center (ISRC) and the Department of Electrical and Computer Engineering
14. Seoul National University
15. Seoul 08826
16. Intel Corporation
17. Hillsboro