Fano resonance from backscattering in a magnesium fluoride crystalline cavity for laser frequency locking
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We report the Fano resonance induced by backscattering in a MgF₂ WGM cavity. The reflected light from the tapered fiber end facet acts as the continuum in Fano interference, with its phase adjustable to produce various Fano lineshapes. We modeled this effect ... ...
