Enhancement of tetrahedral chromium (Cr4+) concentration for high-gain in single-mode crystalline core fibers

Chun Nien Liu; Jhuo Wei Li; Yung Hsiang Tung; Chun Chuen Yang; Wei Chih Cheng; Sheng Lung Huang; Wood Hi Cheng

doi:10.1109/JPHOT.2020.2974802

Enhancement of tetrahedral chromium (Cr⁴⁺) concentration for high-gain in single-mode crystalline core fibers

Chun Nien Liu, Jhuo Wei Li, Yung Hsiang Tung, Chun Chuen Yang, Wei Chih Cheng, Sheng Lung Huang, Wood Hi Cheng

物理學系

研究成果: 雜誌貢獻 › 期刊論文 › 同行評審

3 引文斯高帕斯（Scopus）

摘要

Tetrahedral chromium (Cr⁴⁺)-ions is the main contributor to gain in the broadband single-mode Cr-doped crystalline core fibers (SCCFs). We have demonstrated a gross gain of 8-dB on a length of 27-cm for a 300-nm broadband SCCF using a thermal annealing technique. Gross gain and fiber length are the highest yet reported for the SCCF. The record gain is mainly due to both the longer fiber by aligned molten-zone growth and Cr⁴⁺-ions enhancement by thermal annealing. The enhancement mechanism of the Cr⁴⁺-ions in the SCCF is experimentally verified by the means of superconducting quantum interference device (SQUID) and electron probe X-ray micro-analysis (EPMA). As a practical application of the proposed 8-dB gain in the SCCFs in fiber transmissions, a 25-Gb/s error-floor free link is successfully demonstrated.

原文	???core.languages.en_GB???
文章編號	9001190
期刊	IEEE Photonics Journal
卷	12
發行號	2
DOIs	https://doi.org/10.1109/JPHOT.2020.2974802
出版狀態	已出版 - 4月 2020

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10.1109/JPHOT.2020.2974802

引用此

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title = "Enhancement of tetrahedral chromium (Cr4+) concentration for high-gain in single-mode crystalline core fibers",

abstract = "Tetrahedral chromium (Cr4+)-ions is the main contributor to gain in the broadband single-mode Cr-doped crystalline core fibers (SCCFs). We have demonstrated a gross gain of 8-dB on a length of 27-cm for a 300-nm broadband SCCF using a thermal annealing technique. Gross gain and fiber length are the highest yet reported for the SCCF. The record gain is mainly due to both the longer fiber by aligned molten-zone growth and Cr4+-ions enhancement by thermal annealing. The enhancement mechanism of the Cr4+-ions in the SCCF is experimentally verified by the means of superconducting quantum interference device (SQUID) and electron probe X-ray micro-analysis (EPMA). As a practical application of the proposed 8-dB gain in the SCCFs in fiber transmissions, a 25-Gb/s error-floor free link is successfully demonstrated.",

keywords = "Thermal annealing, fiber amplifiers, fiber fabrication, single-mode Cr-doped crystalline-core fiber.",

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AU - Liu, Chun Nien

AU - Li, Jhuo Wei

AU - Tung, Yung Hsiang

AU - Yang, Chun Chuen

AU - Cheng, Wei Chih

AU - Huang, Sheng Lung

AU - Cheng, Wood Hi

PY - 2020/4

Y1 - 2020/4

N2 - Tetrahedral chromium (Cr4+)-ions is the main contributor to gain in the broadband single-mode Cr-doped crystalline core fibers (SCCFs). We have demonstrated a gross gain of 8-dB on a length of 27-cm for a 300-nm broadband SCCF using a thermal annealing technique. Gross gain and fiber length are the highest yet reported for the SCCF. The record gain is mainly due to both the longer fiber by aligned molten-zone growth and Cr4+-ions enhancement by thermal annealing. The enhancement mechanism of the Cr4+-ions in the SCCF is experimentally verified by the means of superconducting quantum interference device (SQUID) and electron probe X-ray micro-analysis (EPMA). As a practical application of the proposed 8-dB gain in the SCCFs in fiber transmissions, a 25-Gb/s error-floor free link is successfully demonstrated.

AB - Tetrahedral chromium (Cr4+)-ions is the main contributor to gain in the broadband single-mode Cr-doped crystalline core fibers (SCCFs). We have demonstrated a gross gain of 8-dB on a length of 27-cm for a 300-nm broadband SCCF using a thermal annealing technique. Gross gain and fiber length are the highest yet reported for the SCCF. The record gain is mainly due to both the longer fiber by aligned molten-zone growth and Cr4+-ions enhancement by thermal annealing. The enhancement mechanism of the Cr4+-ions in the SCCF is experimentally verified by the means of superconducting quantum interference device (SQUID) and electron probe X-ray micro-analysis (EPMA). As a practical application of the proposed 8-dB gain in the SCCFs in fiber transmissions, a 25-Gb/s error-floor free link is successfully demonstrated.

KW - Thermal annealing

KW - fiber amplifiers

KW - fiber fabrication

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Enhancement of tetrahedral chromium (Cr4+) concentration for high-gain in single-mode crystalline core fibers

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Enhancement of tetrahedral chromium (Cr⁴⁺) concentration for high-gain in single-mode crystalline core fibers