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Magneto-Optical Materials for Photonics and Recording,
edited by Koji Ando, William Challener, Richard Gambino, and Miguel Levy
Mater. Res. Soc. Symp. Proc. Volume 834, J1.8 (January 2005).

Artificially Induced Perturbations in Chirped Magneto-Optical Bragg Gratings

Fredrik Jonsson1 and Christos Flytzanis2

1National Microelectronics Research Centre, Lee Maltings, Prospect Row, Cork, Ireland.
2Laboratoire Pierre Aigrain, Ecole Normale Superieure, F-752 31 Paris, France.


We report on theoretical analysis of magneto-optically induced longitudinal perturbations in chirped magneto-optical Bragg gratings. The induced perturbations considered are of Lorentzian shape, with a spatial extent considerably larger than the spatial grating period but at least an order of magnitude less than the geometrical length of the grating. In the numerical simulation of the proposed device, we show on a high polarization state selectivity in the region of the perturbation, with resonance peaks of transmission for circularly polarized orthogonal components possessing a full width at half maximum as narrow as 0.18 nm, meanwhile being separated by 0.6 nm.

Full text: PDF [111 kB] | URL: http://lucy.mrs.org/publications/epubs/proceedings/fall2004/j/

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