Simultaneous Pre-and Post-Turbulence Compensation of Multiple Orbital-Angular-Momentum 100-Gbit/s Data Channels in a Bidirectional Link Using a Single Adaptive-Optics System

1.Dept. of Electrical Engineering, Univ. of Southern California, Los Angeles, CA 90089, USA, Email: [email protected] 2. School of Physics and Astronomy, University of Glasgow, Glasgow, G12 8QQ, UK 3. School of Electrical Engineering, Tel Aviv University, Ramat Aviv 69978, Israel 4. Dept. of Electrical and Computer Engineering, Univ. of Arizona, Tucson, Arizona 85721, USA 5. Jet Propulsion Laboratory, California Institute of Technology, Pasadena, CA 91109, USA 6.Dept. of Physics and Astronomy, The Institute of Optics, Univ. of Rochester, Rochester, New York 14627, USA 7.Research Laboratory of Electronics, Massachusetts Institute of Technology, Cambridge, MA 02139, USA Abstract: The simultaneous pre-and post-turbulence compensation of multiple orbital-angular-momentum (OAM) modes propagating through turbulent channel is experimentally demonstrated in a bidirectional freespace optical (FSO) link by using a single adaptive-optics system. ©2013 Optical Society of America OCIS codes: (050.4865) Optical vortices; 060.2330 Fiber optics communications; (060.4230) Multiplexing.