Title :
Reduction of Multiple Access Interference in a DS-OCDMA System via Two-Photon Absorption
Author :
Maguire, P.J. ; Bondarczuk, K. ; Barry, L.P. ; Tian, C. ; Zhang, Z. ; Ibsen, M. ; Richardson, D.J. ; Petropoulos, P.
Author_Institution :
Dublin City Univ., Dublin
Abstract :
We demonstrate a technique to suppress multi-access interference in an OCDMA system by using the nonlinear process of two-photon absorption. This allows the extinction ratio to be improved by 5 dB when compared to linear detection.
Keywords :
code division multiple access; interference suppression; optical fibre networks; spread spectrum communication; DS-OCDMA system; linear detection; multiaccess nonlinear process; multiple access interference suppression; two-photon absorption; Absorption; Fiber nonlinear optics; Multiple access interference; Nonlinear optics; Optical filters; Optical harmonic generation; Optical network units; Optical receivers; Optical signal processing; Optical transmitters;
Conference_Titel :
Optical Fiber Communication and the National Fiber Optic Engineers Conference, 2007. OFC/NFOEC 2007. Conference on
Conference_Location :
Anaheim, CA
Print_ISBN :
1-55752-831-4
DOI :
10.1109/OFC.2007.4348958