A performance study of a nonlinear all Fibre Michelson interferometer, add-drop multiplexer, based in Fibre Bragg grating mirrors
| Autor: | Antonio Sergio Bezerra Sombra, F. T. Lima, G. F. Guimarães, A. F. G. F. Filho, J. W. M. Mendonça, W. B. Fraga, J. R. R. Sousa |
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| Rok vydání: | 2008 |
| Předmět: |
Physics
Extinction ratio business.industry Physics::Optics Michelson interferometer Coupled mode theory Multiplexer Atomic and Molecular Physics and Optics Electronic Optical and Magnetic Materials law.invention Subwavelength-diameter optical fibre Add-drop multiplexer Optics Fiber Bragg grating law Electrical and Electronic Engineering business Diffraction grating |
| Zdroj: | Optical and Quantum Electronics. 40:525-534 |
| ISSN: | 1572-817X 0306-8919 |
| Popis: | In this paper we report a numerical investigation of an all-fibre narrowband transmission filter in the arrangement of two identical photo-imprinted Bragg gratings symmetrically located in each arm of a Michelson Interferometer, simulating, thus, an add-drop filter. The transmission characteristics and in addition the crosstalk level and extinction ratio, were studied. The coupled mode theory and the fourth-order Runge-Kutta method were applied, respectively, to solve the coupled differential equations. This is the first study, as far as we now, of the performance of this device considering the nonlinearity of the fibre coupler and linearity of the fibre Bragg gratings. The device is presenting a highly nonlinear behavior dependence in dephasing and pump power. |
| Databáze: | OpenAIRE |
| Externí odkaz: |
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