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Guiding Light in Coupled Resonators


Coupled-Resonator Optical Waveguides (CROWs) are chains of resonators in which light propagates by virtue of the coupling between the resonators.  The dispersive properties of these waveguides are controllable by the inter-resonator coupling and the geometry of the resonators.  If the inter-resonator coupling is weak, light can be engineered to propagate slowly in CROWs.  The small group velocities possible in CROWs may enable applications in and technologies for optical delay lines, interferometers, buffers, nonlinear optics, and lasers.

In this presentation, I will report on our progress in achieving and controlling optical delay in passive and active CROWs.  Both theoretical and experimental results will be presented.