Title :
Study of Interferometric Noise Analysis in Optical CDMA System
Author :
Tong, Zhang ; Xue, Li ; Zhang Hao
Author_Institution :
Xi´´an Univ. of Technol., Xi´´an
Abstract :
Delay line technique is used in OCDMA (optical code division multiple access) system for investigation of the interferometric noise in optical domain. The interferometric noises with the change of EXT, Deltaf (linewidth of the laser) and DeltaT (temperature change) are analysed in detail. The experiment results show that the interferometric noise produced by the variation of temperature of optical components brings the worst case for the OCDMA system, with this kind of noise the all optical CDMA can not be realized so far. The method using electronic en/decoding process to achieve CDMA in optical channel may be a promising choice which can provide a good performance with narrow bandwidth in optical access network.
Keywords :
code division multiple access; interferometry; laser noise; optical fibre communication; electronic coding; interferometric noise; laser linewidth; optical CDMA system; optical access network; optical code division multiple access system; optical domain; temperature change; Decoding; Delay lines; Laser noise; Laser transitions; Multiaccess communication; Optical devices; Optical fiber networks; Optical interferometry; Optical noise; Temperature; Delay line technique; Interferometric noise; OCDMA (Optical Code Division Multiple Access);
Conference_Titel :
Electronic Measurement and Instruments, 2007. ICEMI '07. 8th International Conference on
Conference_Location :
Xi´an
Print_ISBN :
978-1-4244-1136-8
Electronic_ISBN :
978-1-4244-1136-8
DOI :
10.1109/ICEMI.2007.4350651
