Folded Sub-1V Vπ Thin Film Lithium Niobate Phase Modulator

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dc.contributor.authorZhu, Xiaofeng
dc.contributor.authorMoller de Freitas, Marco
dc.contributor.authorShi, Shouyuan
dc.contributor.authorYao, Peng
dc.contributor.authorWang, Fuquan
dc.contributor.authorCullen, Christopher J.
dc.date.accessioned2025-04-03T20:24:58Z
dc.date.available2025-04-03T20:24:58Z
dc.date.issued2025-02-20
dc.descriptionThis article was originally published in IEEE Photonics Technology Letters. The version of record is available at: https://doi.org/10.1109/LPT.2025.3544127. © 2025 The Authors. This work is licensed under a Creative Commons Attribution 4.0 License. For more information, see https://creativecommons.org/licenses/by/4.0/
dc.description.abstractThis work reports a sub-1 volt drive voltage (V π ) folded phase modulator utilizing capacitor-loaded traveling wave electrodes (CLTWEs). The implementation employs a low-loss CLTWE on a quartz (Qz) substrate, facilitating both broadband index matching and minimal RF loss. A series of phase modulators of varying lengths have been fabricated and subjected to experimental characterization. The measured loss for straight CLTWEs is 0.21 dB/(cm ⋅ GHz 1/2 ). The experimentally determined DC V π is 0.52 V for a modulation length of 7.5 cm.
dc.description.sponsorshipThis work was supported in part by the Air Force Office of Scientific Research (AFOSR) and the Office of Naval Research (ONR) and in part by the staff at Phase Sensitive Innovation (PSI) and the University of Delaware Nanofabrication Facility (UDNF).
dc.identifier.citationX. Zhu et al., "Folded Sub-1V Vπ Thin Film Lithium Niobate Phase Modulator," in IEEE Photonics Technology Letters, vol. 37, no. 5, pp. 301-304, 1 March1, 2025, doi: 10.1109/LPT.2025.3544127.
dc.identifier.issn1941-0174
dc.identifier.urihttps://udspace.udel.edu/handle/19716/35996
dc.language.isoen_US
dc.publisherIEEE Photonics Technology Letters
dc.rightsAttribution 4.0 Internationalen
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/
dc.subjectTFLN
dc.subjectphase modulator
dc.subjectCLTWE
dc.subjectlow Vπ
dc.titleFolded Sub-1V Vπ Thin Film Lithium Niobate Phase Modulator
dc.typeArticle

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