Effect of Nested Elements on Avoided Crossing between the Higher-Order Core Modes and the Air-Capillary Modes in Hollow-Core Antiresonant Optical Fibers
Optimal suppression of higher-order modes (HOMs) in hollow-core antiresonant fibers comprising a single ring of thin-walled capillaries was previously studied, and can be achieved when the condition on the capillary-to-core diameter ratio is satisfied (d/D≈0.68). Here we report on the cond...
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| Format: | Article |
| Language: | English |
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MDPI AG
2018-06-01
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| Series: | Fibers |
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| Online Access: | http://www.mdpi.com/2079-6439/6/2/42 |