A quarter-wavelength-shifted dual measurement averages out Fabry-Perot ripples, cutting insertion loss variability in edge-coupled PIC testing from 0.34 dB to 0.04 dB.
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Fabry-Perot-Insensitive Edge Coupling for Robust PIC Characterization
A quarter-wavelength-shifted dual measurement averages out Fabry-Perot ripples, cutting insertion loss variability in edge-coupled PIC testing from 0.34 dB to 0.04 dB.