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Autor:
Wassila Tebboune, Youcef Hadj Aissa Fekhar, Didier Vincent, Enrique Bronchalo, Faouzi Salah-Belkhodja, Rafah Naoum
Publikováno v:
Journal of Electromagnetic Waves and Applications. 34:623-633
Magnetized ferrites are anisotropic materials used in passive non-reciprocal components. One of the main applications of ferrites at microwave frequencies is the isolation effect. In this work, the...
Publikováno v:
Journal of Optical Communications. 42:491-506
The development of SAC-OCDMA system is based on the creation of new code structure. A novel proposed code structure is called ZFD that is based on the combination of various matrix creation methods and especially on the factorial function. This appro
Autor:
Elhachemi Kouddad, Rafah Naoum
Publikováno v:
Sensor Letters. 18:89-94
In this paper, the use of the Kerr effect in a two-dimensional square lattice of In0.82Ga0.18As0.40P0.60 rods in photonic crystal proposes an ultra-compact all-optical NOT logic gate. The main device operation is based on the concept of all the optic
Publikováno v:
Optical and Quantum Electronics. 53
Autor:
Iman Ouahab, Rafah Naoum
Publikováno v:
Sensor Letters. 15:315-319
Autor:
Rafah Naoum, Iman Ouahab
Publikováno v:
Optik. 127:7835-7841
A novel approach to design an all optical 4 × 2 encoder is proposed by employing Kerr effect in 2D square lattice of silicon rods in photonic crystals. The main operation of device is based on the concept of all optical switch. Our proposed encoder
Autor:
S. Bouamami, Rafah Naoum
Publikováno v:
Optik. 125:7072-7074
A new two dimensional photonic crystal demultiplexer of wavelength (WDM) is designed by exploiting two Fabry–Perot reflectors at the end of the bus waveguides. The results show that the light with different wavelengths can be successfully filtered
Autor:
Elhachemi, Kouddad, Rafah, Naoum
Publikováno v:
Journal of Optical Communications; February 2021, Vol. 44 Issue: Supplement 1 ps283-s291, 9p
Conception of a Coplanar Circulator Using a Triangular Structure for Application at X-Band Frequency
Publikováno v:
IOSR Journal of Electronics and Communication Engineering. 8:31-37
The new triangular structure of a coplanar circulator is proposed and studied numerically in this work. The structure under study is made from a massive ferrite film (1mm thick). The HFSS is used to simulate the circulator and to check the non-recipr