Journal
APPLIED PHYSICS EXPRESS
Volume 12, Issue 1, Pages -Publisher
IOP PUBLISHING LTD
DOI: 10.7567/1882-0786/aaf4b3
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Funding
- Core Research for Evolutional Science & Technology (CREST) program of Japan Science and Technology Agency [JPMJCR1534]
- Ministry of Education, Culture, Sports, Science and Technology of Japan [17H01764]
- Grants-in-Aid for Scientific Research [17H01764] Funding Source: KAKEN
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Conventional photonic-crystal waveguides make use of an equilateral triangular lattice of through holes, here we develop an isosceles triangular lattice photonic-crystal waveguide based on a silicon slab at 0.3 terahertz (THz) band, for THz high-speed communications. The propagation loss of the proposed waveguide is as small as similar to 1/10, compared with that of a conventional waveguide under the conditions of broadband bandwidth (>20 GHz) for both the loss and dispersion, due to the broadband low-dispersion below the light line of air, at which low-loss conditions are satisfied. Finally, we demonstrate 36 Gbit s(-1) error-free THz communications using the isosceles triangular lattice photonic-crystal waveguide. (C) 2019 The Japan Society of Applied Physics
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