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Journal of the Optical Society of America B
Volume 22, Number 1, 293-298 (January 2005).

Spectral windowing with 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, 24 rue Lhomond, 75231-Paris Cedex 05, France.


We present a theory on a novel class of magneto-optical devices operated by means of magneto-optically induced refractive-index perturbations in chirped Bragg gratings. The predicted effect of the introduced perturbation is an opening of a narrow transmission window in the band-blocking transmission of the chirped grating. The narrow transmission window is tunable in wavelength, and relative transmission and the effects of multiple, spatially separated perturbations can also be superimposed, hence allowing for tunable, magneto-optically operated, multichannel add-drop multiplexors suitable for modularization in integrated optics.

Full text: PDF [281 kB] | DOI: 10.1364/josab.22.000293


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