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. 2019 May 30;9:8058. doi: 10.1038/s41598-019-44644-y

Figure 3.

Figure 3

Electro-optical performances of the E-field sensor probe. (a) Theoretical intensity spectrum of the Fano resonance (black) represented with his slope value (blue) and the EO-modulation strength in function of the laser source wavelength (red). (b) Calibration of the sensor by fitting the distribution of the E-field along Z. In the inset, the computed E-field distribution produced by the electrode PCB. (c) EO-modulation strength with respect to the applied E-field. In the inset, the statistical distribution of the measurement error relatively to the fitting curve. (d) EO-modulation in function of the E-field frequency for (blue) a massive crystal sensor19 and (red) the Fano sensor.