OFC/NFOEC 2008 - 2008 Conference on Optical Fiber Communication/National Fiber Optic Engineers Conference 2008
DOI: 10.1109/ofc.2008.4528410
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Experimental Demonstration of a Coherently Modulated and Directly Detected Optical OFDM System Using an RF-Tone Insertion

Abstract: We experimentally demonstrate an RF-tone assisted OFDM transmission. Our system has a 5-dB better sensitivity compared to the conventional baseband SSB-OFDM and exhibits a negligible penalty transmission after 260 km of SSMF. ◎2008 Optical Society of America OCIS codes: (060.2330) Fiber optics communications; (060.4080) Modulation IntroductionOptical orthogonal-frequency-division-multiplexing (OFDM) has recently received much attention due to its potential for electrical equalization of various deleterious eff… Show more

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Cited by 27 publications
(17 citation statements)
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“…As shown in Fig. 2(b), RF tone assisted SSB signal reaches electrical SE of 1/2 at the transmitter when using (i) guard band, or (ii) subcarrier-interleaving [8,9] (see insets (i) and (ii) in Fig. 2(b)), and reaches electrical SE of 100% if no guard band is used (see inset (iii) in Fig.…”
Section: High-performance Advanced Modulation Formats For Direct Detementioning
confidence: 95%
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“…As shown in Fig. 2(b), RF tone assisted SSB signal reaches electrical SE of 1/2 at the transmitter when using (i) guard band, or (ii) subcarrier-interleaving [8,9] (see insets (i) and (ii) in Fig. 2(b)), and reaches electrical SE of 100% if no guard band is used (see inset (iii) in Fig.…”
Section: High-performance Advanced Modulation Formats For Direct Detementioning
confidence: 95%
“…In that way, the offset SSB signal takes 1/4 spectrum of the baseband, leading to the electrical SE of 1/4 at both transmitter and receiver. The electrical SE at the transmitter can be improved by using RF tone assisted SSB signal, where the RF tone introduces a virtual carrier at the frequency ω≠0 [8,9]. As shown in Fig.…”
Section: High-performance Advanced Modulation Formats For Direct Detementioning
confidence: 99%
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