Title :
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
Author :
Chen, Chen ; Zhang, Chongfu ; Feng, Yuan ; Qiu, Kun
Author_Institution :
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
Abstract :
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.
Keywords :
Four-wave mixing; OFDM; Optical mixing; Optical network units; Passive optical networks; Radio frequency; Four-wave mixing (FWM); orthogonal frequency-division multiple access (OFDMA); passive optical network (PON); source-free;
Journal_Title :
Photonics Technology Letters, IEEE
DOI :
10.1109/LPT.2012.2222366
