All-optical switching and routing based on an electromagnetically induced absorption grating

Abstract

An electromagnetically induced absorption grating is formed in a three-level atomic vapor under the condition of electromagnetically induced transparency in which the strong coupling beam is replaced by a standing wave. The transmission and reflection behaviors of the weak probe beam are greatly modified at certain frequencies near the two-photon resonance. An all-optical two-port signal router–all-optical switch is demonstrated.

© 2005 Optical Society of America

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