期刊
IEEE PHOTONICS TECHNOLOGY LETTERS
卷 25, 期 15, 页码 1454-1457出版社
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/LPT.2013.2266412
关键词
Absorption loss; photonic crystal fiber; terahertz optics; waveguides
资金
- NSFC [61275043, 61171006, 60877034]
- Guangdong Province NSF Key Project [8251806001000004]
- Shenzhen Science Bureau [200805, CXB201105050064A]
We report a novel porous-core octagonal photonic crystal fiber (POPCF) for practical low-loss terahertz (THz) wave guiding. The POPCF with a porous core surrounded by an air-hole cladding shows a low material absorption loss of similar to 0.07 cm(-1), or one third of that for the bulk material absorption loss at the operating frequency similar to 1 THz. In addition, the confinement loss, bending loss, and effective modal area properties of the POPCF are also reported and demonstrated to be relatively low. The proposed POPCF has potential applications for efficient transmission of broadband THz radiation.
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