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A high-Q optical resonance can be created dynamically, by inducing photonic transition between a localized state and a one-dimensional continuum through refractive index modulation. This mechanism allows for complete control of an optical micro-resonance.
We show experimentally an all-optical analogue to electromagnetically induced transparency due to coherent interference between two coupled resonators. We measured an EIT-like resonance mode with quality factor of 11,800 using silicon ring resonators.
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