Fig. 5From: Polarization-Insensitive Surface Plasmon Polarization Electro-Absorption Modulator Based on Epsilon-Near-Zero Indium Tin OxideER and ΔER as a function of wavelength for the EA modulator with a NITO = 5.6 × 1020 cm−3 and b NITO = 6.0 × 1020 cm−3Back to article page