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Opt Lett. 2008 Jul 1;33(13):1500-2.

Observation of a nonlinear microfiber resonator.

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  • 1Department of Optical Engineering, Nanophotonics Group, State Key Laboratory of Modern Optical Instrumentation, Zhejiang University, Hangzhou 310027, China.


Measurements of the intensity transfer function of a silica microfiber resonator are shown to follow a wide variety of hysteresis cycles, depending on the cavity detuning and the scanning frequency of the range of input powers. We attribute these observations to a nonlinear phase shift of thermal origin and provide a simple model that reproduces well our measurements. The response time is found to be around 0.6 ms.

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