Submicrometer Epsilon-Near-Zero Electroabsorption Modulators Enabled by High-Mobility Cadmium Oxide
Epsilon-near-zero materials provide a new path for tailoring light–matter interactions at the nanoscale. In this paper, we analyze a compact electroabsorption modulator based on epsilon-near-zero confinement in transparent conducting oxide films. The nonresonant modulator operates through...
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| Format: | Article |
| Language: | English |
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IEEE
2017-01-01
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| Series: | IEEE Photonics Journal |
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| Online Access: | https://ieeexplore.ieee.org/document/7970105/ |
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| author | Salvatore Campione Michael G. Wood Darwin K. Serkland S. Parameswaran Jon Ihlefeld T. S. Luk Joel R. Wendt Kent M. Geib Gordon A. Keeler |
| author_facet | Salvatore Campione Michael G. Wood Darwin K. Serkland S. Parameswaran Jon Ihlefeld T. S. Luk Joel R. Wendt Kent M. Geib Gordon A. Keeler |
| author_sort | Salvatore Campione |
| collection | DOAJ |
| description | Epsilon-near-zero materials provide a new path for tailoring light–matter interactions at the nanoscale. In this paper, we analyze a compact electroabsorption modulator based on epsilon-near-zero confinement in transparent conducting oxide films. The nonresonant modulator operates through field-effect carrier density tuning. We compare the performance of modulators composed of two different conducting oxides, namely, indium oxide (In<sub>2</sub>O<sub>3 </sub>) and cadmium oxide (CdO), and show that better modulation performance is achieved when using high-mobility (i.e., low loss) epsilon-near-zero materials such as CdO. In particular, we show that nonresonant electroabsorption modulators with submicron lengths and greater than 5 dB extinction ratios may be achieved through the proper selection of high-mobility transparent conducting oxides, opening a path for device miniaturization and increased modulation depth. |
| format | Article |
| id | doaj-art-481d43bec7ad44a091f7af23a2b9a1d7 |
| institution | DOAJ |
| issn | 1943-0655 |
| language | English |
| publishDate | 2017-01-01 |
| publisher | IEEE |
| record_format | Article |
| series | IEEE Photonics Journal |
| spelling | doaj-art-481d43bec7ad44a091f7af23a2b9a1d72025-08-20T03:16:04ZengIEEEIEEE Photonics Journal1943-06552017-01-01941710.1109/JPHOT.2017.27232997970105Submicrometer Epsilon-Near-Zero Electroabsorption Modulators Enabled by High-Mobility Cadmium OxideSalvatore Campione0Michael G. Wood1Darwin K. Serkland2S. Parameswaran3Jon Ihlefeld4T. S. Luk5Joel R. Wendt6Kent M. Geib7Gordon A. Keeler8Sandia National Laboratories, Albuquerque, NM, USASandia National Laboratories, Albuquerque, NM, USASandia National Laboratories, Albuquerque, NM, USASandia National Laboratories, Albuquerque, NM, USASandia National Laboratories, Albuquerque, NM, USASandia National Laboratories, Albuquerque, NM, USASandia National Laboratories, Albuquerque, NM, USASandia National Laboratories, Albuquerque, NM, USASandia National Laboratories, Albuquerque, NM, USAEpsilon-near-zero materials provide a new path for tailoring light–matter interactions at the nanoscale. In this paper, we analyze a compact electroabsorption modulator based on epsilon-near-zero confinement in transparent conducting oxide films. The nonresonant modulator operates through field-effect carrier density tuning. We compare the performance of modulators composed of two different conducting oxides, namely, indium oxide (In<sub>2</sub>O<sub>3 </sub>) and cadmium oxide (CdO), and show that better modulation performance is achieved when using high-mobility (i.e., low loss) epsilon-near-zero materials such as CdO. In particular, we show that nonresonant electroabsorption modulators with submicron lengths and greater than 5 dB extinction ratios may be achieved through the proper selection of high-mobility transparent conducting oxides, opening a path for device miniaturization and increased modulation depth.https://ieeexplore.ieee.org/document/7970105/Epsilon-near-zerosub-micrometer electroabsorption modulatortransparent conducting oxidesnear-infraredhigh-mobility materialscadmium oxide. |
| spellingShingle | Salvatore Campione Michael G. Wood Darwin K. Serkland S. Parameswaran Jon Ihlefeld T. S. Luk Joel R. Wendt Kent M. Geib Gordon A. Keeler Submicrometer Epsilon-Near-Zero Electroabsorption Modulators Enabled by High-Mobility Cadmium Oxide IEEE Photonics Journal Epsilon-near-zero sub-micrometer electroabsorption modulator transparent conducting oxides near-infrared high-mobility materials cadmium oxide. |
| title | Submicrometer Epsilon-Near-Zero Electroabsorption Modulators Enabled by High-Mobility Cadmium Oxide |
| title_full | Submicrometer Epsilon-Near-Zero Electroabsorption Modulators Enabled by High-Mobility Cadmium Oxide |
| title_fullStr | Submicrometer Epsilon-Near-Zero Electroabsorption Modulators Enabled by High-Mobility Cadmium Oxide |
| title_full_unstemmed | Submicrometer Epsilon-Near-Zero Electroabsorption Modulators Enabled by High-Mobility Cadmium Oxide |
| title_short | Submicrometer Epsilon-Near-Zero Electroabsorption Modulators Enabled by High-Mobility Cadmium Oxide |
| title_sort | submicrometer epsilon near zero electroabsorption modulators enabled by high mobility cadmium oxide |
| topic | Epsilon-near-zero sub-micrometer electroabsorption modulator transparent conducting oxides near-infrared high-mobility materials cadmium oxide. |
| url | https://ieeexplore.ieee.org/document/7970105/ |
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