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A. Moniem, T., EL Mosilhy, N. (2015). ALL OPTICAL OVSF CODE GENERATOR REALIZATION USING OPTICAL FLIP FLOP AND OPTICAL HARDLIMITTERS. JES. Journal of Engineering Sciences, 43(No 2), 242-252. doi: 10.21608/jesaun.2015.115171
Tamer A. Moniem; Noha EL Mosilhy. "ALL OPTICAL OVSF CODE GENERATOR REALIZATION USING OPTICAL FLIP FLOP AND OPTICAL HARDLIMITTERS". JES. Journal of Engineering Sciences, 43, No 2, 2015, 242-252. doi: 10.21608/jesaun.2015.115171
A. Moniem, T., EL Mosilhy, N. (2015). 'ALL OPTICAL OVSF CODE GENERATOR REALIZATION USING OPTICAL FLIP FLOP AND OPTICAL HARDLIMITTERS', JES. Journal of Engineering Sciences, 43(No 2), pp. 242-252. doi: 10.21608/jesaun.2015.115171
A. Moniem, T., EL Mosilhy, N. ALL OPTICAL OVSF CODE GENERATOR REALIZATION USING OPTICAL FLIP FLOP AND OPTICAL HARDLIMITTERS. JES. Journal of Engineering Sciences, 2015; 43(No 2): 242-252. doi: 10.21608/jesaun.2015.115171

ALL OPTICAL OVSF CODE GENERATOR REALIZATION USING OPTICAL FLIP FLOP AND OPTICAL HARDLIMITTERS

Article 5, Volume 43, No 2, March and April 2015, Page 242-252  XML PDF (678.24 K)
Document Type: Research Paper
DOI: 10.21608/jesaun.2015.115171
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Authors
Tamer A. Moniem; Noha EL Mosilhy
Canadian International College CIC, New Cairo, Egypt
Abstract
The orthogonal variables spreading factor (OVSF) provides variables data rates to flexible support
many applications with different bandwidth. This paper presents an optical OVSF code generator
using all optical gates and a set of all optical flip-flops based on two coupled polarization switches
(PSWs). The optical OVSF code generator helps to use the OVSF code technique in optical
communications. The general objective is to make the OVSF code tree suitable to support a lot of
users in the optical communication links. The overall design and the results are discussed through the
realization and the computing numerical simulation to confirm its operation and feasibility. The
proposed scheme has been theoretically demonstrated for a spreading factor of 4 and 8.
Keywords
Optical Flip Flops; Optical Gates; Bragg Grating; OVSF; SOA
Main Subjects
Electrical Engineering, Computer Engineering and Electrical power and machines engineering.
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