A Broadband Gold-Coated Photonic Crystal Fiber Polarization Filter with a High Loss Ratio of Both Polarizations at 1550 and 1310 nm
A new kind of gold-coated hexagonal photonic crystal fiber polarization filter is designed in this paper. The filtering properties can be adjusted through varying the structural parameters. With the 25.60 nm gold film thickness, the losses of the respective modes of Y and X-polarized core mode at 15...
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2021
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oai:doaj.org-article:7ccc57741fd94cdda7ba66804663c9332021-11-25T18:43:17ZA Broadband Gold-Coated Photonic Crystal Fiber Polarization Filter with a High Loss Ratio of Both Polarizations at 1550 and 1310 nm10.3390/photonics81104882304-6732https://doaj.org/article/7ccc57741fd94cdda7ba66804663c9332021-11-01T00:00:00Zhttps://www.mdpi.com/2304-6732/8/11/488https://doaj.org/toc/2304-6732A new kind of gold-coated hexagonal photonic crystal fiber polarization filter is designed in this paper. The filtering properties can be adjusted through varying the structural parameters. With the 25.60 nm gold film thickness, the losses of the respective modes of Y and X-polarized core mode at 1550 nm are 1024.84 and 0.12 dB/cm with the loss ratio of 8540.33 between two polarizations. However, the losses of Y and X-polarized core mode at 1310 nm are 682.14 and 0.03 dB/cm, and the loss ratio is 22,738 with the gold film thickness of 55.30 nm. That indicates that the proposed filter has a higher loss ratio. Moreover, the crosstalk value with the fiber length of 200 μm at 1550 and 1310 nm are 178.01 and 118.49 dB, respectively. The bandwidths with crosstalk value greater than 20 dB are 640 and 180 nm. The designed polarization filter represents good filtering characteristics and allows great fabrication tolerances. Therefore, the designed hexagonal filter can be well applied in the domain of optical fiber communication.Chao WangGuoxu ZhangZheng WuYajing ZhangYiyang ZhangLinghong JiangWeihong BiMDPI AGarticlepolarization filtersurface plasmon resonancephotonic crystal fibergold-coatedcrosstalkApplied optics. PhotonicsTA1501-1820ENPhotonics, Vol 8, Iss 488, p 488 (2021) |
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DOAJ |
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DOAJ |
| language |
EN |
| topic |
polarization filter surface plasmon resonance photonic crystal fiber gold-coated crosstalk Applied optics. Photonics TA1501-1820 |
| spellingShingle |
polarization filter surface plasmon resonance photonic crystal fiber gold-coated crosstalk Applied optics. Photonics TA1501-1820 Chao Wang Guoxu Zhang Zheng Wu Yajing Zhang Yiyang Zhang Linghong Jiang Weihong Bi A Broadband Gold-Coated Photonic Crystal Fiber Polarization Filter with a High Loss Ratio of Both Polarizations at 1550 and 1310 nm |
| description |
A new kind of gold-coated hexagonal photonic crystal fiber polarization filter is designed in this paper. The filtering properties can be adjusted through varying the structural parameters. With the 25.60 nm gold film thickness, the losses of the respective modes of Y and X-polarized core mode at 1550 nm are 1024.84 and 0.12 dB/cm with the loss ratio of 8540.33 between two polarizations. However, the losses of Y and X-polarized core mode at 1310 nm are 682.14 and 0.03 dB/cm, and the loss ratio is 22,738 with the gold film thickness of 55.30 nm. That indicates that the proposed filter has a higher loss ratio. Moreover, the crosstalk value with the fiber length of 200 μm at 1550 and 1310 nm are 178.01 and 118.49 dB, respectively. The bandwidths with crosstalk value greater than 20 dB are 640 and 180 nm. The designed polarization filter represents good filtering characteristics and allows great fabrication tolerances. Therefore, the designed hexagonal filter can be well applied in the domain of optical fiber communication. |
| format |
article |
| author |
Chao Wang Guoxu Zhang Zheng Wu Yajing Zhang Yiyang Zhang Linghong Jiang Weihong Bi |
| author_facet |
Chao Wang Guoxu Zhang Zheng Wu Yajing Zhang Yiyang Zhang Linghong Jiang Weihong Bi |
| author_sort |
Chao Wang |
| title |
A Broadband Gold-Coated Photonic Crystal Fiber Polarization Filter with a High Loss Ratio of Both Polarizations at 1550 and 1310 nm |
| title_short |
A Broadband Gold-Coated Photonic Crystal Fiber Polarization Filter with a High Loss Ratio of Both Polarizations at 1550 and 1310 nm |
| title_full |
A Broadband Gold-Coated Photonic Crystal Fiber Polarization Filter with a High Loss Ratio of Both Polarizations at 1550 and 1310 nm |
| title_fullStr |
A Broadband Gold-Coated Photonic Crystal Fiber Polarization Filter with a High Loss Ratio of Both Polarizations at 1550 and 1310 nm |
| title_full_unstemmed |
A Broadband Gold-Coated Photonic Crystal Fiber Polarization Filter with a High Loss Ratio of Both Polarizations at 1550 and 1310 nm |
| title_sort |
broadband gold-coated photonic crystal fiber polarization filter with a high loss ratio of both polarizations at 1550 and 1310 nm |
| publisher |
MDPI AG |
| publishDate |
2021 |
| url |
https://doaj.org/article/7ccc57741fd94cdda7ba66804663c933 |
| work_keys_str_mv |
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