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Bidirectional Radio Frequency Up-Converted Orthogonal Frequency-Division Multiple Access Passive Optical Network With Novel Source-Free Optical Network Units Using Four-Wave Mixing in Semiconductor Optical Amplifier

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4 Author(s)
Chen Chen ; Key Laboratory of Optical Fiber Sensing and Communication Networks (Ministry of Education) and School of Communication and Information Engineering, University of Electronic Science and Technology of China, Chengdu, China ; Chongfu Zhang ; Yuan Feng ; Kun Qiu

We propose and demonstrate a bidirectional radio-frequency (RF) up-converted orthogonal frequency-division multiple access passive optical network (OFDMA-PON) system. Novel source-free optical network units (ONUs) are configured in the proposed OFDMA-PON system, which can support simultaneous and interference-free upstream transmission from multiple ONUs over a single wavelength in a single-fiber topology. The four-wave mixing effect in a semiconductor optical amplifier is utilized in the optical line terminal to enable its configuration. Experimental results successfully verify the feasibility of our proposed system.

Published in:

IEEE Photonics Technology Letters  (Volume:24 ,  Issue: 24 )