Tunable Fano filtering based on silicon one-dimensional photonic crystal cavities


In a conventional optical resonator, the resonance transmission spectrum is always a Lorentz line shape, which is symmetrical with respect to the resonant wavelength. Recently, different configurations based on ring resonators [1], surface plasmons [2] and photonic crystal cavities [3] have been demonstrated to have asymmetric line shape, i.e., Fano… (More)

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