Transmission performance of adaptively modulated optical OFDM modems using subcarrier modulation over SMF IMDD links for access and metropolitan area networks | Zendy

X. Zheng | Zendy; Jinlong Wei | Zendy; Jianming Tang | Zendy

Open Access

Transmission performance of adaptively modulated optical OFDM modems using subcarrier modulation over SMF IMDD links for access and metropolitan area networks

Author(s) -

X. Zheng,

Jinlong Wei,

Jianming Tang

Publication year - 2008

Publication title -

optics express

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.394

H-Index - 271

ISSN - 1094-4087

DOI - 10.1364/oe.16.020427

Subject(s) - subcarrier , orthogonal frequency division multiplexing , modulation (music) , transmission (telecommunications) , subcarrier multiplexing , compatible sideband transmission , optics , computer science , electronic engineering , wavelength division multiplexing , telecommunications , sideband , channel (broadcasting) , physics , radio frequency , engineering , acoustics , wavelength

Detailed investigations are undertaken, for the first time, of the transmission performance of recently proposed novel Adaptively Modulated Optical OFDM (AMOOFDM) modems using Subcarrier Modulation (AMOOFDM-SCM) in single-channel, SMF-based IMDD links without optical amplification and chromatic dispersion compensation. The cross-talk effect induced by beatings among subcarriers of various types is a crucial factor limiting the maximum achievable AMOOFDM-SCM performance. By applying single sideband modulation and/or spectral gapping to AMOOFDM-SCM, three AMOOFDM-SCM designs of varying complexity are proposed, which achieve >60Gb/s signal transmission over 20 km, 40 km and 60 km. Such performances are >1.5 times higher than those supported by conventional AMOOFDM modems.

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