Plasmonic electro-optic modulators on lead zirconate titanate platform-Reference-Cited by-同舟云学术

Plasmonic electro-optic modulators on lead zirconate titanate platform

Published:2024-03-22 Issue:18 Volume:13 Page:3591-3598
ISSN:2192-8614
Container-title:Nanophotonics
language:en
Short-container-title:

Author:

Yezekyan Torgom¹^ORCID,Thomaschewski Martin²,Thrane Paul Conrad Vaagen¹³,Bozhevolnyi Sergey I.¹^ORCID

Affiliation:

1. Center for Nano Optics , 6174 University of Southern Denmark , Odense , Denmark

2. Department of Applied Physics and Materials Science , 6469 California Institute of Technology , Pasadena , USA

3. Department of Microsystems and Nanotechnology , 509086 SINTEF Oslo , Oslo , Norway

Abstract

Abstract The advancement in material platforms exhibiting strong and robust electro-optic effects is crucial for further progress in developing highly efficient and miniaturized optoelectronic components with low power consumption for modern optical communication systems. In this work, we investigate thin-film lead zirconate titanate (PZT) substrates grown by a chemical solution deposition technique as a potential platform for on-chip plasmonic electro-optic modulators. A high modulation depth (>40 %) is achieved with 15 μm-long electro-optic directional coupler modulators. An unusual cutoff in the modulation frequency response at ∼200 kHz is observed and further studied with respect to possible reorientation effects. Second-harmonic generation signals are found influenced by the externally applied electric field, indicating that the domain reorientation effect can be responsible for the unusual frequency response observed.

Funder

Research Council of Norway

Publisher

Walter de Gruyter GmbH

Link

https://www.degruyter.com/document/doi/10.1515/nanoph-2024-0039/pdf

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