Overcoming Chromatic-Dispersion-Induced Power Fading in ROF Links Employing Parallel Modulators

Overcoming Chromatic-Dispersion-Induced Power Fading in ROF Links Employing Parallel Modulators

This letter presents a chromatic dispersion (CD) compensation scheme using parallel electro-optic phase and intensity modulators suitable for long-reach radio-over-fiber links. By properly adjusting the optical power and the time delay between the two modulated signals, the power fading aroused by t...

Ausführliche Beschreibung

Gespeichert in:
Bibliographische Detailangaben
Veröffentlicht in:IEEE photonics technology letters 2012-07, Vol.24 (14), p.1173-1175
Hauptverfasser: Cui, Yan, Xu, Kun, Dai, Jian, Sun, Xiaoqiang, Dai, Yitang, Ji, Yuefeng, Lin, Jintong
Format: Artikel
Sprache:eng
Schlagworte:
Chromatic dispersion
Compensation
Conferences
Fading
Fiber optics
Links
Modulators
Optical fiber communication
Optical fibers
Optical modulation
Optical polarization
power fading
Radio frequency
radio-over-fiber
Sidebands
Online-Zugang:Volltext bestellen
Tags: Tag hinzufügen
Keine Tags, Fügen Sie den ersten Tag hinzu!
Beschreibung
Zusammenfassung:This letter presents a chromatic dispersion (CD) compensation scheme using parallel electro-optic phase and intensity modulators suitable for long-reach radio-over-fiber links. By properly adjusting the optical power and the time delay between the two modulated signals, the power fading aroused by the CD is adequately compensated over a wide operating bandwidth of 0-18 GHz over a 34-km single-mode fiber (SMF). Compared with a double sideband (DSB) modulated link, an enhancement of up to 31 dB·Hz 2/3 in the spur-free dynamic range for a 9.5-GHz signal is obtained. Furthermore, a bit-error rate of 10 -10 is obtained when a 9.5-GHz carrier loading 2-Gb/s pseudorandom bit sequence is transmitted over the dispersive link, which is not achievable for the DSB modulated link.
ISSN:1041-1135
1941-0174
DOI:10.1109/LPT.2012.2192422