اخى العزيز هذه بعض الابحاث التى احتاج اليها
01- P.R Prucnal, M.A. Santoro, and T.R. Fan, “Spread spectrum fiber-optic local area network using optical processing,” J. Lightwave Technol., vol. LT-4, no.5 pp,547-554, May 1986
2- J.A. Salehi and C.A. Brackett, “code division multiple access techniques in optical fiber network –Part1: Fundamental principles,” IEEE Trans. Commun., vol.37, no, pp. 824-833, Aug. 1989.
3- J.A. Salehi “Code division multiple-access techniques in optical fiber network –Part2: systems performance analysis,” IEEE Trans. Commun., vol.37no.8 pp.834-842, Aug.1989.
4- T. Ohtsuki, “Performance analysis of direct-detection optical CDMA systems with optical hard-limiter using equal-wight orthogonal signaling,” IEICE Trans. Commun., vol. E82-B, no.3, pp.512-520, March 1999.
5-T. Ohtsuki, “Direct-detection optical asynchronous CDMA systems with double optical hard-limiter:APD noise and thermal noise,” IEICE Trans. Commun., vol. E81-B, no.7, pp.1491-1499, July 1998.
6- H.M.H Shalaby, “Direct detection optical overlapping PPM-CDMA communication systems with double optical hard-limiter ,” J. Lightwave Technol., vol.17, no, pp.1158-1165, July 1999.
7- F.R.K. Chung, J.A. Salehi, and V.K. wei. “Optical orthogonal codes Design, analysis and applications,” IEEE Trans. Inf. Theory, vol.35no.3 pp.595-604, May.1989.
8- A.W. Lam and A.M. Hussain, “Performance analysis of direct detection optical CDMA communication system with avalanche photodiodes,” IEEE Trans. Commun., vol.40no.4 pp.810-820, April.1992.
9-H.M. Kwon, “Optical orthogonal code-division multiple access system-part1: APD noise and thermal noise,” IEEE Trans. Commun., vol.42, no.7 pp.2470-2479, July.1994.
10-H. Kurosawa, H. Kawashima, H. Kasai, M. Kuroda, T. Yoshimura, and K, Asama, “An asymmetric optical- spliter and its application to optical monintering devices,” Laser and Electro-Optics Society 2001, LEOS 2001, The 14th Annual meeting of the IEEE, vol. 1, pp.232-233,2001.
11-S. Nakamura, Y. Ueno, and K. Tajima, “Ultrafast (200fs switching, 1.5-Tb/s demultiplexing) and high- repetition (10GHz) operations of a polarization discriminating symmetric Mach-Zehnder all-optical switch,” IEEE photonics Technol. Lett., vol.10, no.11, pp.1575-1577, Nov. 1998
12- S. Naksmura, Y. Ueno, and K. Tajima, “Femtosecand operation of a polarization-discrimination symmetric Mach-Zehnder all-optical switch and improvement in its high repetition operation,” IEICE Trans. Electron., vol. E82-C, no.2, pp.327-334, Feb. 1999.
13- K. Tajima, S. Nakamura, Y. Ueno, J. Sasaki, T. Sugimoto, T. Kato, T. Shimoda, H. Hatakeyama, T. Tamanuki, and T.sasaki, “Ultrafast hybride-integrated symmetric Mach-Zehnder all-optical switch and its 168 Gbps error-free demultiplexing operation,” IEICE Trans. Electron., vol.E83C, no.6, pp.959-965, June 2000