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Extremely high extinction ratio electro-optic modulator via frequency upconversion to visible wavelengths
Alessandra Sabatti, Jost Kellner, Fabian Kaufmann, Robert J. Chapman, Giovanni Finco, Tristan Kuttner, Andreas Maeder, Rachel Grange
https://arxiv.org/abs/2404.09787

Extremely high extinction ratio electro-optic modulator via frequency upconversion to visible wavelengths
Intensity modulators are fundamental components for integrated photonics. From near infrared to visible spectral ranges, they find applications in optical communication and quantum technologies. In particular, they are required for the control and manipulation of atomic systems such as atomic clocks and quantum computers. Typical integrated electro-optic modulators operating at these wavelengths show high bandwidth and low voltage operation, but their extinction ratios are moderate. Here we pre…