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Frontiers of Optoelectronics

Front Optoelec    2012, Vol. 5 Issue (3) : 306-310     DOI: 10.1007/s12200-012-0262-1
RESEARCH ARTICLE |
Generation and transmission of dispersion tolerant 10-Gbps RZ-OOK signal for radio over fiber link
Yousaf KHAN(), Xiangjun XIN, Aftab HUSSAIN, Liu BO, Shahryar SHAFIQUE
State Key Laboratory of Information Photonics and Optical Communications, Beijing University of Posts and Telecommunications, Beijing 100876, China
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Abstract

We proposed and demonstrated the generation and transmission of 10-Gbps return-to-zero ON/OFF keying (RZ-OOK) signal using a new technique without pulse carving at transmitter. The new technique is characterized by a 3 dB built-in gain with better tolerance for chromatic dispersion in standard single mode fiber (SSMF). Fiber Bragg grating (FBG) is used as chromatic dispersion compensating device to investigate the tolerance of the proposed scheme. The simulation model of wavelength division multiplexing (WDM) based on OptiSystem.v.8.0 is presented. Simulation results show that there are error free transmission performance in a distance of 600 km with negligible power penalty and improved receiver sensitivity compared to conventional pulse carving approach.

Keywords modulation      pulse carver      chromatic dispersion      fiber Bragg gratings      radio over fiber (RoF)     
Corresponding Authors: KHAN Yousaf,Email:yousafkhalil@gmail.com   
Issue Date: 05 September 2012
 Cite this article:   
Yousaf KHAN,Xiangjun XIN,Aftab HUSSAIN, et al. Generation and transmission of dispersion tolerant 10-Gbps RZ-OOK signal for radio over fiber link[J]. Front Optoelec, 2012, 5(3): 306-310.
 URL:  
http://journal.hep.com.cn/foe/EN/10.1007/s12200-012-0262-1
http://journal.hep.com.cn/foe/EN/Y2012/V5/I3/306
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Yousaf KHAN
Xiangjun XIN
Aftab HUSSAIN
Liu BO
Shahryar SHAFIQUE
Fig.1  Simulation and experimental setup of proposed RoF scheme
Fig.2  Comparison of proposed and conventional transmitters
parametersvalues
dispersion parameter of SMF17 ps/nm/km
dispersion slope of SMF0.075 ps/nm2/km
attenuation coefficient of SMF0.2 dB/km
effective core area of SMF80 um2
non linear index-coefficient of SMF2.6×10-20
responsibility of photo detector10 nA
dispersion compensation of FBG-850 nm
Tab.1  Parameters used for simulation
Fig.3  Comparison of proposed and conventional schemes in term of BER vs. launch power
Fig.4  Comparison of proposed and conventional schemes in term of -factor vs. launch power
Fig.5  Comparison of proposed and conventional schemes in term of BER vs. received optical power
Fig.6  Eye diagram for (a) proposed scheme and (b) conventional scheme after 600 km transmission
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