Broadband high-performance terahertz polarizer based on a dense array of 5 nm gap slit antennas
Optics Express, ISSN: 1094-4087, Vol: 30, Issue: 17, Page: 30038-30046
2022
- 3Citations
- 5Captures
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Example: if you select the 1-year option for an article published in 2019 and a metric category shows 90%, that means that the article or review is performing better than 90% of the other articles/reviews published in that journal in 2019. If you select the 3-year option for the same article published in 2019 and the metric category shows 90%, that means that the article or review is performing better than 90% of the other articles/reviews published in that journal in 2019, 2018 and 2017.
Citation Benchmarking is provided by Scopus and SciVal and is different from the metrics context provided by PlumX Metrics.
Metrics Details
- Citations3
- Citation Indexes3
- CrossRef2
- Captures5
- Readers5
Article Description
Critical factors for terahertz polarizers include broadband operation, high transmittance, and a good extinction ratio. In this paper, using a 5 nm-wide metallic slit array with a 200 nm periodicity as a wire grid polarizer, we achieved over 95% transmittance with an average extinction ratio of 40 dB, over the entire spectrum as defined by the terahertz time-domain spectroscopy (0.4 ∼ 2 THz). Theoretical calculations revealed that the slit array can show 100% transmission up to 5 THz, and wider bandwidths with a higher cutoff frequency can be achieved by reducing the slit periodicity. These results provide a novel approach for achieving a broadband THz polarizer and open a new path for seamless integration of the polarizers with nanophotonic applications.
Bibliographic Details
http://www.scopus.com/inward/record.url?partnerID=HzOxMe3b&scp=85135606835&origin=inward; http://dx.doi.org/10.1364/oe.460859; http://www.ncbi.nlm.nih.gov/pubmed/36242115; https://opg.optica.org/abstract.cfm?URI=oe-30-17-30038; https://dx.doi.org/10.1364/oe.460859; https://opg.optica.org/oe/abstract.cfm?uri=oe-30-17-30038
Optica Publishing Group
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