Title :
Generating orbital angular momentum modes in a fiber with a central square and a ring profile
Author :
Yan, Yan ; Zhang, Lin ; Wang, Jian ; Yang, Jeng-Yuan ; Fazal, Irfan M. ; Ahmed, Nisar ; Shamee, Bishara ; Willner, Alan E. ; Birnbaum, Kevin ; Choi, John ; Erkmen, Baris ; Dolinar, Sam
Author_Institution :
Dept. of Electr. Eng., Univ. of Southern California, Los Angeles, CA, USA
Abstract :
We propose a novel fiber converting input circular polarized light to orbital angular momentum (OAM) modes. We show the generation of up to 8 OAM modes with 30-dB extinction ratio and mode purity of >;96.4% using <;10-mm-long fiber.
Keywords :
angular momentum; optical fibre polarisation; central square; circular polarized light; fiber optics; mode purity; orbital angular momentum modes; ring profile; Couplers; Couplings; Extinction ratio; Helium; Optical fiber communication; Optical fiber couplers; Optical fiber polarization;
Conference_Titel :
Photonics Conference (PHO), 2011 IEEE
Conference_Location :
Arlington, VA
Print_ISBN :
978-1-4244-8940-4
DOI :
10.1109/PHO.2011.6110511
