Title :
New approach for generating and (de)multiplexing OAM modes in a fiber coupler consisting of a central ring and four external cores
Author :
Yan, Yan ; Wang, Jian ; Zhang, Lin ; 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 fiber coupler to generate up to ten orbital angular momentum modes, which can be generated with 20-dB extinction ratio and mode purity of >;99% using a 2-mm-long fiber. The fiber design can be extended to enable all-fiber spatial mode (de)multiplexing.
Keywords :
angular momentum; demultiplexing; optical fibre couplers; OAM mode demultiplexing; OAM mode generation; all-fiber spatial mode demultiplexing; central ring core; extinction ratio; fiber coupler; orbital angular momentum mode; size 2 mm; Couplers; Couplings; Multiplexing; Optical fiber couplers; Optical fiber polarization; Refractive index;
Conference_Titel :
Optical Communication (ECOC), 2011 37th European Conference and Exhibition on
Conference_Location :
Geneva
Print_ISBN :
978-1-4577-1918-9
