Tomoki Joichi
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View article: Photo-induced DC drift in Mach-Zehnder modulators using lead lanthanum zirconate titanate thin films
Photo-induced DC drift in Mach-Zehnder modulators using lead lanthanum zirconate titanate thin films Open
We experimentally investigated the photo-induced direct current (DC) drift of a lead lanthanum zirconate titanate (PLZT) Mach-Zehnder modulator with large optical input power. We clarify the mechanism by which short-term and long-term DC d…
View article: Bandwidth Optimization for Mach–Zehnder Polymer/Sol–Gel Modulators
Bandwidth Optimization for Mach–Zehnder Polymer/Sol–Gel Modulators Open
We demonstrate that the electro-optic (EO) modulation response linearly decreases (dB scale) with respect to the modulating frequency, with an extremely small drop of less than 2 dB, up to a limit of 67 GHz, as measured by an optical compo…