| Authors: | M. Niels, T. Vanackere, E. Vissers, T. Zhai, P. Nenezic, J. Declerq, C. Bruynsteen, S. Niu, A. Moerman, O. Caytan, N. Singh, S. Lemey, X. Yin, S. Janssen, P. Verheyen, N. Singh, D. Bode, M. Davi, F. Ferraro, P. Absil, S. Balakrishnan, J. Van Campenhout, G. Roelkens, B. Kuyken, M. Billet | | Title: | High-speed lithium tantalate-based silicon photonic modulators | | Format: | International Conference Proceedings | | Publication date: | 7/2025 | | Journal/Conference/Book: | Conference on Lasers and Electro-Optics/Europe (CLEO/Europe 2025) and European Quantum Electronics Conference (EQEC 2025)
| | Editor/Publisher: | OPTICA, | | Location: | Munchen, Germany | | DOI: | 10.1109/CLEO/Europe-EQEC65582.2025.11111408 | | Citations: | Look up on Google Scholar
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Abstract
Thin-film lithium niobate (TFLN) has emerged as a leading material for integrated photonics, offering a unique combination of low optical loss and a strong, fast electro-optic (EO) coefficient, enabling high-speed modulation bandwidths exceeding 100 GHz [1,2]. More recently, thin-film lithium tantalate (TFLT) has gained attention for its enhanced stability and resistance to optical damage [3,4]. However, lithium contamination poses a challenge for CMOS compatibility. Here we present a heterogeneously integrated LT-based silicon (Si) Mach-Zehnder modulator (MZM) with competitive characteristics, compared to devices using monolithic TFLT-on-insulator technology. Related Research Topics
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