[Milestone] A cross-disciplinary experiment

We introduce supercritical fluid (SCF) technology to epsilon-near-zero (ENZ) photonics for the first time and experimentally demonstrate the manipulation of the ENZ wavelength for the enhancement of linear and nonlinear optical absorption in ENZ indium tin oxide (ITO) nanolayer. Inspired by the SCF’s applications in repairing defects, reconnecting bonds, introducing dopants, and boosting the performance of microelectronic devices, here, this technique is used to exploit the influence of the electronic properties on optical characteristics. By reducing oxygen vacancies and electron scattering in the SCF oxidation process, the ENZ wavelength is shifted by 23.25 nm, the intrinsic loss is reduced by 20%, and the saturable absorption modulation depth is enhanced by > 30%. The proposed technique offers a time-saving low-temperature technique to optimize the linear and nonlinear absorption performance of plasmonics-based ENZ nanophotonic devices. (Wu et al., 2021; Wu et al., 2020)

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J. Wu, et al., “Manipulation of epsilon-near-zero wavelength for the optimization of linear and nonlinear absorption by supercritical fluid”, Scientific Reports 11(1): 15936, 2021.

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Manipulation of epsilon-near-zero wavelength for the optimization of linear and nonlinear absorption by supercritical fluid

Jiaye Wu, Xuanyi Liu , Haishi Fu, Kuan-Chang Chang, Shengdong Zhang, H. Y. Fu, and Qian Li^*

Scientific Reports, Dec 2021

DOI Bib HTML

@article{Wu2021b,
  title = {Manipulation of epsilon-near-zero wavelength for the optimization of linear and nonlinear absorption by supercritical fluid},
  author = {Wu, Jiaye and Liu, Xuanyi and Fu, Haishi and Chang, Kuan-Chang and Zhang, Shengdong and Fu, H. Y. and Li, Qian},
  year = {2021},
  month = dec,
  journal = {Scientific Reports},
  volume = {11},
  number = {1},
  pages = {15936},
  issn = {2045-2322},
  doi = {10.1038/s41598-021-95513-6},
  lccn = {2},
  dimensions = {true},
}

Precise tuning of epsilon-near-zero properties in indium tin oxide nanolayer by supercritical carbon dioxide

Jiaye Wu , Haishi Fu, Yingkai Zheng, Kuan-Chang Chang, Shengdong Zhang, H. Y. Fu, and Qian Li^*

14th Pacific Rim Conference on Lasers and Electro-Optics (CLEO PR 2020), Dec 2020

DOI Bib HTML

@inproceedings{Wu2020c,
  title = {Precise tuning of epsilon-near-zero properties in indium tin oxide nanolayer by supercritical carbon dioxide},
  booktitle = {14th {{Pacific Rim Conference}} on {{Lasers}} and {{Electro-Optics}} ({{CLEO PR}} 2020)},
  author = {Wu, Jiaye and Fu, Haishi and Zheng, Yingkai and Chang, Kuan-Chang and Zhang, Shengdong and Fu, H. Y. and Li, Qian},
  year = {2020},
  pages = {C4G\_3},
  publisher = {OSA},
  address = {Sydney},
  doi = {10.1364/CLEOPR.2020.C4G_3},
  isbn = {978-0-646-82504-5},
  dimensions = {true},
}

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