OFDM system implementation using compatible SSB modulation with a dual-electrode MZM

Single-sideband (SSB) direct-detection optical orthogonal frequency division multiplexing (OFDM) transmission is experimentally demonstrated in a system with 125 km fiber length, which does not need a guard band between the carrier and the OFDM band. The waveforms of compatible SSB modulation are an...

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Bibliographic Details
Published in:Optics letters 2010-04, Vol.35 (8), p.1221-1223
Main Authors: Xu, Zhenbo, O’Sullivan, Maurice, Hui, Rongqing
Format: Article
Language:English
Subjects:
Exact sciences and technology
Fundamental areas of phenomenology (including applications)
Optics
Physics
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Summary:Single-sideband (SSB) direct-detection optical orthogonal frequency division multiplexing (OFDM) transmission is experimentally demonstrated in a system with 125 km fiber length, which does not need a guard band between the carrier and the OFDM band. The waveforms of compatible SSB modulation are analytically derived and realized through a single dual-electrode Mach-Zehnder modulator. The required optical signal-to-noise ratios for different modulation indices on the OFDM band are discussed for optimal operation.
ISSN:0146-9592
1539-4794
DOI:10.1364/OL.35.001221