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2004, 1

F. Tayeboun, R. Naoum, F. Salah-Belkhodja

Design of tunable filter by Kerr effect used in optical communications

language: English

received 16.11.2003, published 25.01.2004

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ABSTRACT

The discovery of photonic Band-gap (PBG) materials and their use in controlling light propagation is a new and exciting development. An optical design of a wavelength-selective tunable filter permitting to select a channel of 1 nm of spectral width among 40 channels situated between 1550 nm and 1590 nm is considered in this paper. Guided modes in a two dimensional dielectric photonic crystal (PC) waveguides are studied by the transfer matrix method (TMM) and Galerkin method. A cavity (localized defect) between two waveguides in the PC structure is introduced. Among several wavelengths circulating into the first guide, the resonance wavelength with the defect can be extracted by coupling effect, and then is injected into the second guide. The tuning effect is obtained by Kerr effect applied in the cavity.

7 pages, 5 figures

Сitation: F. Tayeboun, R. Naoum, F. Salah-Belkhodja. Design of tunable filter by Kerr effect used in optical communications. Electronic Journal “Technical Acoustics”, http://www.ejta.org, 2004, 1.

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Fatima Tayeboun was born in Sidi-Bel-Abbes, Algeria. She received the Dipl.El.-Ing. degree, the Master degree, from the University of Djillali-Liabes of Sidi-Bel-Abbes, Algeria, respectively in 1996, 1999, and actually preparing the doctoral thesis. Since 1996 she is involved in research on optical communications, photonic integration, and photonic networking.

e-mail: tayebounfatima(at)yahoo.com

 
 

Rafah Naoum received the M.Sc. degree (Dipl. Ing.) from the University of Science, and Technology, Oran, Algeria in 1983, the diploma in "Telecommunications Optics and Microwaves", the PhD degree in integrated optics from University of Limoges (France) and the these d'etat from the University Sidi Bel Abbes, Algeria, in 1984, 1987, 1999 respectively. Since 1987, he is at University of Sidi Bel-Abbes, where he is associate professor at Department of Electronic Engineering. His research interests include integrated optics, photonics, optical communications, antennas and optical processing.

 
 

Faouzi Salah-Belkhodja received the diploma of Electronic Engineering from the University of Science, and Technology, Oran, Algeria in 1982, the diploma in "Telecommunications Optics and Microwaves", the PhD degree in microwaves from University of Limoges, France and the these d'etat from the University Sidi Bel Abbes, Algeria, in 1985, 1988, 2001 respectively. Since 1988 he is associate professor at Electronic Department of University Sidi Bel-Abbes. His research interests include photonic integration, photonic networking, optical communications and microwaves.