Title :
Coherent in-line substitution of OFDM subcarriers using fiber-frequency conversion and free-running lasers
Author :
Richter, Thomas ; Schmidt-Langhorst, Carsten ; Elschner, Robert ; Kato, Toshihiko ; Tanimura, Takahito ; Watanabe, Shigetaka ; Schubert, Colja
Author_Institution :
Fraunhofer Inst. for Telecommun., Heinrich Hertz Inst., Berlin, Germany
Abstract :
We propose and demonstrate a coherent optical field superposition between independent laser sources using fiber frequency conversion and investigate its performance in an OFDM scenario with subcarrier drop and replacement.
Keywords :
OFDM modulation; multiplexing; optical communication; optical frequency conversion; OFDM subcarriers; coherent in-line substitution; coherent optical field superposition; fiber-frequency conversion; free-running lasers; independent laser sources; subcarrier drop; subcarrier replacement; Fiber nonlinear optics; Frequency conversion; Modulation; OFDM; Optical fibers;
Conference_Titel :
Optical Fiber Communications Conference and Exhibition (OFC), 2014
Conference_Location :
San Francisco, CA
Print_ISBN :
978-1-5575-2994-7
DOI :
10.1364/OFC.2014.Th5B.6
