Near-field spectrum retrieving through non-degenerate coupling emission

Near-field spectrum retrieving through non-degenerate coupling emission

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We present a scheme usc trojans snapback hat to retrieve the initial spectrum of probe molecules in the near field.This is achieved by replacing conventional glass substrates with a hybrid mode photonics chip to create rich and persistent mode distributions and by observing the far-field scattering pattern.The manner of coupling from near field to far field is confirmed by the calculated dependence of the coupled emission signal on the unique material properties.By using an optimization algorithm to retrieve the intensity ratio of near-field optical signals in each frequency band gradually without the need for complicated instruments and time-consuming acquisition iphone 13 dallas processes, our method can achieve broadband non-distortion spectral analysis in an enhanced optical antenna by selecting substrate parameters.