Propagation and interaction of waves in periodic media with a space-modulated coupling coefficient: application for optical filtering

Victor I. Sokolov; Vladislav Ya. Panchenko

doi:10.1117/12.340074

28 January 1999 Propagation and interaction of waves in periodic media with a space-modulated coupling coefficient: application for optical filtering

Victor I. Sokolov, Vladislav Ya. Panchenko

Author Affiliations +

Proceedings Volume 3733, ICONO '98: Nonlinear Optical Phenomena and Coherent Optics in Information Technologies; (1999) https://doi.org/10.1117/12.340074
Event: ICONO '98: Laser Spectroscopy and Optical Diagnostics: Novel Trends and Applications in Laser Chemistry, Biophysics, and Biomedicine, 1998, Moscow, Russian Federation

Abstract

Propagation and interaction of electromagnetic waves in nonuniform Bragg grating structures with space-modulated coupling coefficient and phase shifts are investigated theoretically on the base of coupled-wave model. For gratings with antisymmetically-modulated coupling coefficient the simple analytical expression for reflectivity and transmitivity are obtained. They involve the infinite set of Born approximations and are valid not only for 'shallow' gratings with (kappa) L<<1 (kappa is coupling strength, L is grating length), but also for 'deep' gratings with appaL>=1. One the base of these expressions the method for designing the shape of Bragg grating structures, which possess the required transmission spectra, is proposed. The gratings with space- modulated amplitude and phase shifts, possessing the nearly rectangular transmission spectrum, are designed with their potential application for channel separation in high-bit- rate optical fiber communication networks.

Citation Download Citation

Victor I. Sokolov and Vladislav Ya. Panchenko "Propagation and interaction of waves in periodic media with a space-modulated coupling coefficient: application for optical filtering", Proc. SPIE 3733, ICONO '98: Nonlinear Optical Phenomena and Coherent Optics in Information Technologies, (28 January 1999); https://doi.org/10.1117/12.340074

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