Institution: | aMax-Planck-Research-Group, Institute of Optics, Information and Photonics, University of Erlangen, Staudtstr. 7/B2, D-91058 Erlangen, Germany bInstitute of Optical Information Engineering, Zhejiang Normal University, Jinhua 321004, China cDepartment of Electronic and Communication Engineering, Çankaya University, Ö?retmenler Cad. 14, Yüzüncüy?l, 06530 Balgat, Ankara, Turkey |