Stable thin-film lithium tantalate modulators operating at high temperature for uncooled operation
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arXiv
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| Auteurs principaux: | , , , , , , |
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| Format: | Preprint |
| Publié: |
2026
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| _version_ | 1866909003362074624 |
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| author | Sayem, Ayed Al Uddin, Shiekh Zia Hu, Ting-Chen Tate, Alaric Cappuzzo, Mark Kopf, Rose Earnshaw, Mark |
| author_facet | Sayem, Ayed Al Uddin, Shiekh Zia Hu, Ting-Chen Tate, Alaric Cappuzzo, Mark Kopf, Rose Earnshaw, Mark |
| contents | We demonstrate stable operation of a thin-film lithium tantalate (TFLT) modulator at very high operating temperatures. We show that the electro-optic modulation and bandwidth of the TFLT modulators are not affected by high-temperature operation, and both waveguide and resonant modulators are DC-bias stable even at 120°C. At higher temperatures, we even observe 10% reduction of the Vπ of the modulator. Our results position TFLT modulators as a strong candidate for uncooled operation in co-packaged optics. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2604_27285 |
| institution | arXiv |
| publishDate | 2026 |
| record_format | arxiv |
| spellingShingle | Stable thin-film lithium tantalate modulators operating at high temperature for uncooled operation Sayem, Ayed Al Uddin, Shiekh Zia Hu, Ting-Chen Tate, Alaric Cappuzzo, Mark Kopf, Rose Earnshaw, Mark Optics We demonstrate stable operation of a thin-film lithium tantalate (TFLT) modulator at very high operating temperatures. We show that the electro-optic modulation and bandwidth of the TFLT modulators are not affected by high-temperature operation, and both waveguide and resonant modulators are DC-bias stable even at 120°C. At higher temperatures, we even observe 10% reduction of the Vπ of the modulator. Our results position TFLT modulators as a strong candidate for uncooled operation in co-packaged optics. |
| title | Stable thin-film lithium tantalate modulators operating at high temperature for uncooled operation |
| topic | Optics |
| url | https://arxiv.org/abs/2604.27285 |