Configurations of Pump Injection and Reinjection for Improved Amplification Efficiency of Turbo Cladding Pumped MC-EDFA
Configurations of cladding pumped MC-EDFA with pump recycling have been researched to improve optical amplification efficiency. The difference between the four researched configurations is the pump injection and re-injection method. The optical amplification performance was compared experimentally b...
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Veröffentlicht in: | Journal of lightwave technology 2020-06, Vol.38 (11), p.2922-2929 |
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creator | Takeshita, Hitoshi Matsumoto, Keiichi Yanagimachi, Shigeyuki de Gabory, Emmanuel Le Taillandier |
description | Configurations of cladding pumped MC-EDFA with pump recycling have been researched to improve optical amplification efficiency. The difference between the four researched configurations is the pump injection and re-injection method. The optical amplification performance was compared experimentally by evaluating the optical gain, noise figure, and the maximum output signal power. The results show the spatial injection and the fiber re-injection with spatial splitting configuration improved the pump recycling efficiency the most, and the configuration offered an additional 3.5 dB of optical gain and boosted the maximum output signal power by 4.0 dB compared to the standard cladding pumping without pump recycling. The improvement in the optical gain due to the pump recycling was constant at 1.0 dB in the fixed experimental set-up even if the input optical signal power was changed. The effect of the spatial intensity distribution widening due to the fiber pump combiner is considered to be effective in improving the pump recycling efficiency. An additional 0.2 dB improvement (1.2 dB in total) in the optical gain was achieved by modifying the free-space lens optics design of the spatial pump splitter. |
doi_str_mv | 10.1109/JLT.2020.2974483 |
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The difference between the four researched configurations is the pump injection and re-injection method. The optical amplification performance was compared experimentally by evaluating the optical gain, noise figure, and the maximum output signal power. The results show the spatial injection and the fiber re-injection with spatial splitting configuration improved the pump recycling efficiency the most, and the configuration offered an additional 3.5 dB of optical gain and boosted the maximum output signal power by 4.0 dB compared to the standard cladding pumping without pump recycling. The improvement in the optical gain due to the pump recycling was constant at 1.0 dB in the fixed experimental set-up even if the input optical signal power was changed. The effect of the spatial intensity distribution widening due to the fiber pump combiner is considered to be effective in improving the pump recycling efficiency. An additional 0.2 dB improvement (1.2 dB in total) in the optical gain was achieved by modifying the free-space lens optics design of the spatial pump splitter.</description><identifier>ISSN: 0733-8724</identifier><identifier>EISSN: 1558-2213</identifier><identifier>DOI: 10.1109/JLT.2020.2974483</identifier><identifier>CODEN: JLTEDG</identifier><language>eng</language><publisher>New York: IEEE</publisher><subject>Amplification ; Cladding ; Configurations ; Design modifications ; Efficiency ; Optical amplifiers ; Optical communication ; Optical fiber amplifiers ; Optical pumping ; Recycling ; Reinjection ; space division multiplexing ; Stimulated emission</subject><ispartof>Journal of lightwave technology, 2020-06, Vol.38 (11), p.2922-2929</ispartof><rights>Copyright The Institute of Electrical and Electronics Engineers, Inc. (IEEE) 2020</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c357t-3750e39324de2b0f6dc0f159446e2b4ec335195d3d3c94fa077b6ef78ead53553</citedby><cites>FETCH-LOGICAL-c357t-3750e39324de2b0f6dc0f159446e2b4ec335195d3d3c94fa077b6ef78ead53553</cites><orcidid>0000-0002-8444-2193</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://ieeexplore.ieee.org/document/9000909$$EHTML$$P50$$Gieee$$H</linktohtml><link.rule.ids>314,780,784,796,27924,27925,54758</link.rule.ids><linktorsrc>$$Uhttps://ieeexplore.ieee.org/document/9000909$$EView_record_in_IEEE$$FView_record_in_$$GIEEE</linktorsrc></links><search><creatorcontrib>Takeshita, Hitoshi</creatorcontrib><creatorcontrib>Matsumoto, Keiichi</creatorcontrib><creatorcontrib>Yanagimachi, Shigeyuki</creatorcontrib><creatorcontrib>de Gabory, Emmanuel Le Taillandier</creatorcontrib><title>Configurations of Pump Injection and Reinjection for Improved Amplification Efficiency of Turbo Cladding Pumped MC-EDFA</title><title>Journal of lightwave technology</title><addtitle>JLT</addtitle><description>Configurations of cladding pumped MC-EDFA with pump recycling have been researched to improve optical amplification efficiency. The difference between the four researched configurations is the pump injection and re-injection method. The optical amplification performance was compared experimentally by evaluating the optical gain, noise figure, and the maximum output signal power. The results show the spatial injection and the fiber re-injection with spatial splitting configuration improved the pump recycling efficiency the most, and the configuration offered an additional 3.5 dB of optical gain and boosted the maximum output signal power by 4.0 dB compared to the standard cladding pumping without pump recycling. The improvement in the optical gain due to the pump recycling was constant at 1.0 dB in the fixed experimental set-up even if the input optical signal power was changed. The effect of the spatial intensity distribution widening due to the fiber pump combiner is considered to be effective in improving the pump recycling efficiency. An additional 0.2 dB improvement (1.2 dB in total) in the optical gain was achieved by modifying the free-space lens optics design of the spatial pump splitter.</description><subject>Amplification</subject><subject>Cladding</subject><subject>Configurations</subject><subject>Design modifications</subject><subject>Efficiency</subject><subject>Optical amplifiers</subject><subject>Optical communication</subject><subject>Optical fiber amplifiers</subject><subject>Optical pumping</subject><subject>Recycling</subject><subject>Reinjection</subject><subject>space division multiplexing</subject><subject>Stimulated emission</subject><issn>0733-8724</issn><issn>1558-2213</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2020</creationdate><recordtype>article</recordtype><sourceid>RIE</sourceid><recordid>eNo9kN1PwjAUxRujiYi-m_jSxOfh7de6PpIJisFoDD43Y21JCduwYxr-ezsgPN2PnHPuzQ-hewIjQkA9vc0XIwoURlRJzjN2gQZEiCyhlLBLNADJWJJJyq_RTduuAUgUyQH6y5va-VUXip1v6hY3Dn921RbP6rUt-xUuaoO_rD_Prgl4Vm1D82sNHlfbjXe-PLjxxMXW27rc9zmLLiwbnG8KY3y9OsRGx3ueTJ6n41t05YpNa-9OdYi-p5NF_prMP15m-XielEzIXcKkAMsUo9xYugSXmhIcEYrzNM7clowJooRhhpWKuwKkXKbWycwWRjAh2BA9HnPjwz-dbXd63XShjic15SCBpTKTUQVHVRmatg3W6W3wVRH2moDu8eqIV_d49QlvtDwcLd5ae5YrAFCg2D-fE3ZI</recordid><startdate>20200601</startdate><enddate>20200601</enddate><creator>Takeshita, Hitoshi</creator><creator>Matsumoto, Keiichi</creator><creator>Yanagimachi, Shigeyuki</creator><creator>de Gabory, Emmanuel Le Taillandier</creator><general>IEEE</general><general>The Institute of Electrical and Electronics Engineers, Inc. (IEEE)</general><scope>97E</scope><scope>RIA</scope><scope>RIE</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7SP</scope><scope>7U5</scope><scope>8FD</scope><scope>H8D</scope><scope>L7M</scope><orcidid>https://orcid.org/0000-0002-8444-2193</orcidid></search><sort><creationdate>20200601</creationdate><title>Configurations of Pump Injection and Reinjection for Improved Amplification Efficiency of Turbo Cladding Pumped MC-EDFA</title><author>Takeshita, Hitoshi ; Matsumoto, Keiichi ; Yanagimachi, Shigeyuki ; de Gabory, Emmanuel Le Taillandier</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c357t-3750e39324de2b0f6dc0f159446e2b4ec335195d3d3c94fa077b6ef78ead53553</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2020</creationdate><topic>Amplification</topic><topic>Cladding</topic><topic>Configurations</topic><topic>Design modifications</topic><topic>Efficiency</topic><topic>Optical amplifiers</topic><topic>Optical communication</topic><topic>Optical fiber amplifiers</topic><topic>Optical pumping</topic><topic>Recycling</topic><topic>Reinjection</topic><topic>space division multiplexing</topic><topic>Stimulated emission</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Takeshita, Hitoshi</creatorcontrib><creatorcontrib>Matsumoto, Keiichi</creatorcontrib><creatorcontrib>Yanagimachi, Shigeyuki</creatorcontrib><creatorcontrib>de Gabory, Emmanuel Le Taillandier</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><collection>Electronics & Communications Abstracts</collection><collection>Solid State and Superconductivity Abstracts</collection><collection>Technology Research Database</collection><collection>Aerospace Database</collection><collection>Advanced Technologies Database with Aerospace</collection><jtitle>Journal of lightwave technology</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>Takeshita, Hitoshi</au><au>Matsumoto, Keiichi</au><au>Yanagimachi, Shigeyuki</au><au>de Gabory, Emmanuel Le Taillandier</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Configurations of Pump Injection and Reinjection for Improved Amplification Efficiency of Turbo Cladding Pumped MC-EDFA</atitle><jtitle>Journal of lightwave technology</jtitle><stitle>JLT</stitle><date>2020-06-01</date><risdate>2020</risdate><volume>38</volume><issue>11</issue><spage>2922</spage><epage>2929</epage><pages>2922-2929</pages><issn>0733-8724</issn><eissn>1558-2213</eissn><coden>JLTEDG</coden><abstract>Configurations of cladding pumped MC-EDFA with pump recycling have been researched to improve optical amplification efficiency. The difference between the four researched configurations is the pump injection and re-injection method. The optical amplification performance was compared experimentally by evaluating the optical gain, noise figure, and the maximum output signal power. The results show the spatial injection and the fiber re-injection with spatial splitting configuration improved the pump recycling efficiency the most, and the configuration offered an additional 3.5 dB of optical gain and boosted the maximum output signal power by 4.0 dB compared to the standard cladding pumping without pump recycling. The improvement in the optical gain due to the pump recycling was constant at 1.0 dB in the fixed experimental set-up even if the input optical signal power was changed. The effect of the spatial intensity distribution widening due to the fiber pump combiner is considered to be effective in improving the pump recycling efficiency. 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subjects | Amplification Cladding Configurations Design modifications Efficiency Optical amplifiers Optical communication Optical fiber amplifiers Optical pumping Recycling Reinjection space division multiplexing Stimulated emission |
title | Configurations of Pump Injection and Reinjection for Improved Amplification Efficiency of Turbo Cladding Pumped MC-EDFA |
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