Bending Loss and Cut-Off Wavelength Properties of Randomly Coupled Multi-Core Fiber
In this work, we numerically and experimentally investigated the bending loss and cut-off wavelength characteristics of randomly coupled multi-core fiber (RC-MCF). The numerical results showed that the bending loss of the RC-MCF is larger than that obtained with single-core design due to the coupled...
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| Veröffentlicht in: | Journal of lightwave technology 2024-12, Vol.42 (23), p.8442-8448 |
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| container_title | Journal of lightwave technology |
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| creator | Imada, Ryota Sakamoto, Taiji Mori, Takayoshi Yamada, Yusuke Nakajima, Kazuhide |
| description | In this work, we numerically and experimentally investigated the bending loss and cut-off wavelength characteristics of randomly coupled multi-core fiber (RC-MCF). The numerical results showed that the bending loss of the RC-MCF is larger than that obtained with single-core design due to the coupled core effect. In addition, the cut-off wavelength property is affected by the coupled core effect and requires a different design approach from that of the SMF. The subsequent experimental results for the bending loss and the cut-off wavelength properties of RC-MCFs with 4-12 cores were in good agreement with the simulation results. We also numerically investigated the core design range of the 4- and 12-core RC-MCF and found that the core design range of the RC-MCF shifts to the high-\Delta region. Our findings indicate that the standard cladding diameter RC-MCF with up to 12 cores can be designed to satisfy the bending loss, cut-off wavelength, and MFD values specified in ITU-T Recommendations G.652/654. |
| doi_str_mv | 10.1109/JLT.2024.3431533 |
| format | Article |
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The numerical results showed that the bending loss of the RC-MCF is larger than that obtained with single-core design due to the coupled core effect. In addition, the cut-off wavelength property is affected by the coupled core effect and requires a different design approach from that of the SMF. The subsequent experimental results for the bending loss and the cut-off wavelength properties of RC-MCFs with 4-12 cores were in good agreement with the simulation results. We also numerically investigated the core design range of the 4- and 12-core RC-MCF and found that the core design range of the RC-MCF shifts to the high-<inline-formula><tex-math notation="LaTeX">\Delta</tex-math></inline-formula> region. 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The numerical results showed that the bending loss of the RC-MCF is larger than that obtained with single-core design due to the coupled core effect. In addition, the cut-off wavelength property is affected by the coupled core effect and requires a different design approach from that of the SMF. The subsequent experimental results for the bending loss and the cut-off wavelength properties of RC-MCFs with 4-12 cores were in good agreement with the simulation results. We also numerically investigated the core design range of the 4- and 12-core RC-MCF and found that the core design range of the RC-MCF shifts to the high-<inline-formula><tex-math notation="LaTeX">\Delta</tex-math></inline-formula> region. Our findings indicate that the standard cladding diameter RC-MCF with up to 12 cores can be designed to satisfy the bending loss, cut-off wavelength, and MFD values specified in ITU-T Recommendations G.652/654.</description><subject>Bending</subject><subject>Bending loss</subject><subject>Claddings</subject><subject>cut-off wavelength</subject><subject>Indexes</subject><subject>Loss measurement</subject><subject>optical fiber</subject><subject>Propagation losses</subject><subject>randomly-coupled multi-core fiber</subject><subject>Simulation</subject><subject>space-division multiplexing</subject><subject>Wavelength measurement</subject><issn>0733-8724</issn><issn>1558-2213</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2024</creationdate><recordtype>article</recordtype><sourceid>RIE</sourceid><recordid>eNpNkEtLw0AUhQdRMFb3LlzMH5g478dSg61KpKIBlyGPOzWSJmGSCv33prQLV_fAPedw-BC6ZTRmjLr71zSLOeUyFlIwJcQZiphSlnDOxDmKqBGCWMPlJboaxx9KmZTWROjzEbq66TY47ccRF12Nk91E1t7jr-IXWug20zd-D_0AYWpgxL3HH7Or37Z7nPS7oYUav-3aqSFJHwAvmxLCNbrwRTvCzekuULZ8ypJnkq5XL8lDSipnJfGq5E4rUzOtSifAW-eUMkpoS6EyBopy1spLob2XTDqj54-CupCcg6digeixtgrz9gA-H0KzLcI-ZzQ_MMlnJvmBSX5iMkfujpEGAP7ZNVXOavEHa59cWg</recordid><startdate>20241201</startdate><enddate>20241201</enddate><creator>Imada, Ryota</creator><creator>Sakamoto, Taiji</creator><creator>Mori, Takayoshi</creator><creator>Yamada, Yusuke</creator><creator>Nakajima, Kazuhide</creator><general>IEEE</general><scope>97E</scope><scope>RIA</scope><scope>RIE</scope><scope>AAYXX</scope><scope>CITATION</scope><orcidid>https://orcid.org/0000-0001-9467-5436</orcidid><orcidid>https://orcid.org/0000-0001-6432-7975</orcidid><orcidid>https://orcid.org/0009-0000-7265-5696</orcidid><orcidid>https://orcid.org/0000-0003-1192-6813</orcidid></search><sort><creationdate>20241201</creationdate><title>Bending Loss and Cut-Off Wavelength Properties of Randomly Coupled Multi-Core Fiber</title><author>Imada, Ryota ; Sakamoto, Taiji ; Mori, Takayoshi ; Yamada, Yusuke ; Nakajima, Kazuhide</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c984-f5b29657d165b93ef89955753680ec77eab5365f436ff4149766805eda422ef03</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2024</creationdate><topic>Bending</topic><topic>Bending loss</topic><topic>Claddings</topic><topic>cut-off wavelength</topic><topic>Indexes</topic><topic>Loss measurement</topic><topic>optical fiber</topic><topic>Propagation losses</topic><topic>randomly-coupled multi-core fiber</topic><topic>Simulation</topic><topic>space-division multiplexing</topic><topic>Wavelength measurement</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Imada, Ryota</creatorcontrib><creatorcontrib>Sakamoto, Taiji</creatorcontrib><creatorcontrib>Mori, Takayoshi</creatorcontrib><creatorcontrib>Yamada, Yusuke</creatorcontrib><creatorcontrib>Nakajima, Kazuhide</creatorcontrib><collection>IEEE All-Society Periodicals Package (ASPP) 2005-present</collection><collection>IEEE All-Society Periodicals Package (ASPP) 1998-Present</collection><collection>IEEE Electronic Library (IEL)</collection><collection>CrossRef</collection><jtitle>Journal of lightwave technology</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>Imada, Ryota</au><au>Sakamoto, Taiji</au><au>Mori, Takayoshi</au><au>Yamada, Yusuke</au><au>Nakajima, Kazuhide</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Bending Loss and Cut-Off Wavelength Properties of Randomly Coupled Multi-Core Fiber</atitle><jtitle>Journal of lightwave technology</jtitle><stitle>JLT</stitle><date>2024-12-01</date><risdate>2024</risdate><volume>42</volume><issue>23</issue><spage>8442</spage><epage>8448</epage><pages>8442-8448</pages><issn>0733-8724</issn><eissn>1558-2213</eissn><coden>JLTEDG</coden><abstract>In this work, we numerically and experimentally investigated the bending loss and cut-off wavelength characteristics of randomly coupled multi-core fiber (RC-MCF). The numerical results showed that the bending loss of the RC-MCF is larger than that obtained with single-core design due to the coupled core effect. In addition, the cut-off wavelength property is affected by the coupled core effect and requires a different design approach from that of the SMF. The subsequent experimental results for the bending loss and the cut-off wavelength properties of RC-MCFs with 4-12 cores were in good agreement with the simulation results. We also numerically investigated the core design range of the 4- and 12-core RC-MCF and found that the core design range of the RC-MCF shifts to the high-<inline-formula><tex-math notation="LaTeX">\Delta</tex-math></inline-formula> region. 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| subjects | Bending Bending loss Claddings cut-off wavelength Indexes Loss measurement optical fiber Propagation losses randomly-coupled multi-core fiber Simulation space-division multiplexing Wavelength measurement |
| title | Bending Loss and Cut-Off Wavelength Properties of Randomly Coupled Multi-Core Fiber |
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