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Conference on Lasers and Electro-Optics Pacific Rim (CLEO-PR)

All Optical Switching In Rare-earth Doped Fibers

John W. Arkwright, Graham Atkins, Zourab Brodzeli, John Canning, M. Janos, P. Elango, Mark G. Sceats, Trevor Whitbread

Published Aug 24, 2005• 3 citations
Publisher
DOI
10.1109/cleopr.1997.610950

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This paper presents properties of all-optical bistable fibre switch using two fibre Bragg gratings and rare earth elements doped optical fiber. It is not possible to obtain bistable properties at low switching power level in case of a single fibre grating. In this article the method of optical switching that uses all-optical switch has been proposed. It has been achieved by varying the refractive index of nonlinear optical material as a result of light signal amplitude changes. Presented optical bistable device can be used both in contemporary optically switched networks as well as in optoelectronic sensors, owing to their high achievable resolution.

Proceedings of SPIE, the International Society for Optical Engineering/Proceedings of SPIE•May 12, 2014•6 citations
This paper presents properties of all-optical bistable fibre switch using two fibre Bragg gratings and rare earth elements doped optical fiber. It is not possible to obtain bistable properties at low switching power level in case of a single fibre grating. In this article the method of optical switching that uses all-optical switch has been proposed. It has been achieved by varying the refractive index of nonlinear optical material as a result of light signal amplitude changes. Presented optical bistable device can be used both in contemporary optically switched networks as well as in optoelectronic sensors, owing to their high achievable resolution.