Abstract

In this paper, a compact slow-light microfiber coil resonator (MCR) is fabricated and the slow-light properties of it are analyzed and tested. Based on coupled-wave theory, a theoretical model for describing the slow-light propagation in the MCR is established. Experimentally, the MCR slow-light element is fabricated and its relative slow-light time delay is measured. The group velocity of the light pulse in the MCR slow-light element can be reduced to about $0.47c$ ($c$ is the speed of light in vacuum) and the shape of the light pulse passing through the MCR is well preserved.

© 2015 Optical Society of America

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