Ultrafast charge and field driven optical modulators and switches

Martin Thomaschewski; Yaliang Gui; Hao Wang; Behrouz Movahhed Nouri; Salem Altaleb; Hamed Dalir; Volker J. Sorger

doi:10.1117/12.2650936

15 March 2023 Ultrafast charge and field driven optical modulators and switches

Martin Thomaschewski, Yaliang Gui, Hao Wang, Behrouz Movahhed Nouri, Salem Altaleb, Hamed Dalir, Volker J. Sorger

Proceedings Volume 12419, Ultrafast Phenomena and Nanophotonics XXVII; 124190E (2023) https://doi.org/10.1117/12.2650936
Event: SPIE OPTO, 2023, San Francisco, California, United States

Abstract

Electro-optic modulators are critical building blocks for many signal processing systems which adhere to requirements given by both electrical and optical constraints. We discuss the fundamental speed limitations of recently developed charge and field driven nanophotonic electro-optic devices enabling the next generation of electro-optic modulators featuring a significantly improved device performance regarding modulation efficiency (VπL ⪅1 Vcm), device footprint (⪅ 1 mm2) and bandwidth (⪆ 100 GHz). We show that the practical limits of the operation speed is for both, ferroelectric Pockels modulators and the proposed transparent conducting oxides (ITO) modulators, determined by the frequency response of the corresponding electronic circuit driving the modulator.

Conference Presentation

Citation Download Citation

Martin Thomaschewski, Yaliang Gui, Hao Wang, Behrouz Movahhed Nouri, Salem Altaleb, Hamed Dalir, and Volker J. Sorger "Ultrafast charge and field driven optical modulators and switches", Proc. SPIE 12419, Ultrafast Phenomena and Nanophotonics XXVII, 124190E (15 March 2023); https://doi.org/10.1117/12.2650936

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