Pure Passive Fiber Enabled Highly Efficient Raman Fiber Amplifier With Record Kilowatt Power
Kilowatt-level high-efficiency all-fiberized Raman fiber amplifier based on pure passive fiber is proposed for the first time in this paper. The laser system is established on master oscillator power amplification configuration, while a piece of graded-index passive fiber is utilized as Stokes shift...
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| Veröffentlicht in: | IEEE access 2019, Vol.7, p.28334-28339 |
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| creator | Chen, Yizhu Leng, Jinyong Xiao, Hu Yao, Tianfu Zhou, Pu |
| description | Kilowatt-level high-efficiency all-fiberized Raman fiber amplifier based on pure passive fiber is proposed for the first time in this paper. The laser system is established on master oscillator power amplification configuration, while a piece of graded-index passive fiber is utilized as Stokes shifting as well as gain medium, which is entirely irrelevant to the rare-earth-doped gain mechanism. When the pump power is 1368.8 W, we obtained 1002.3-W continuous-wave laser power at 1060 nm with the corresponding optical-to-optical efficiency of 84%. The beam parameter M 2 improves from 9.17 of the pump laser to 5.06 of the signal laser through the amplification process, and the brightness enhancement is about 2.57 at maximum output power as a consequence of the beam clean-up process in the graded-index fiber. To the best of our knowledge, we have demonstrated the first kilowatt-level high-efficiency Raman fiber amplifier based on pure passive fiber with brightness enhancement. |
| doi_str_mv | 10.1109/ACCESS.2019.2899452 |
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The laser system is established on master oscillator power amplification configuration, while a piece of graded-index passive fiber is utilized as Stokes shifting as well as gain medium, which is entirely irrelevant to the rare-earth-doped gain mechanism. When the pump power is 1368.8 W, we obtained 1002.3-W continuous-wave laser power at 1060 nm with the corresponding optical-to-optical efficiency of 84%. The beam parameter M 2 improves from 9.17 of the pump laser to 5.06 of the signal laser through the amplification process, and the brightness enhancement is about 2.57 at maximum output power as a consequence of the beam clean-up process in the graded-index fiber. 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(IEEE) 2019</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c458t-28a896b64d1abcb82e004e24b032e1acbddc4c0a671d10da0314a7a664fd92823</citedby><cites>FETCH-LOGICAL-c458t-28a896b64d1abcb82e004e24b032e1acbddc4c0a671d10da0314a7a664fd92823</cites><orcidid>0000-0002-2058-8871</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://ieeexplore.ieee.org/document/8642309$$EHTML$$P50$$Gieee$$Hfree_for_read</linktohtml><link.rule.ids>314,776,780,860,2096,4010,27610,27900,27901,27902,54908</link.rule.ids></links><search><creatorcontrib>Chen, Yizhu</creatorcontrib><creatorcontrib>Leng, Jinyong</creatorcontrib><creatorcontrib>Xiao, Hu</creatorcontrib><creatorcontrib>Yao, Tianfu</creatorcontrib><creatorcontrib>Zhou, Pu</creatorcontrib><title>Pure Passive Fiber Enabled Highly Efficient Raman Fiber Amplifier With Record Kilowatt Power</title><title>IEEE access</title><addtitle>Access</addtitle><description>Kilowatt-level high-efficiency all-fiberized Raman fiber amplifier based on pure passive fiber is proposed for the first time in this paper. The laser system is established on master oscillator power amplification configuration, while a piece of graded-index passive fiber is utilized as Stokes shifting as well as gain medium, which is entirely irrelevant to the rare-earth-doped gain mechanism. When the pump power is 1368.8 W, we obtained 1002.3-W continuous-wave laser power at 1060 nm with the corresponding optical-to-optical efficiency of 84%. The beam parameter M 2 improves from 9.17 of the pump laser to 5.06 of the signal laser through the amplification process, and the brightness enhancement is about 2.57 at maximum output power as a consequence of the beam clean-up process in the graded-index fiber. To the best of our knowledge, we have demonstrated the first kilowatt-level high-efficiency Raman fiber amplifier based on pure passive fiber with brightness enhancement.</description><subject>Amplification</subject><subject>Amplifiers</subject><subject>Brightness</subject><subject>Continuous wave lasers</subject><subject>Efficiency</subject><subject>Fiber lasers</subject><subject>fiber nonlinear optics</subject><subject>high power amplifiers</subject><subject>Laser beams</subject><subject>Laser excitation</subject><subject>Lasers</subject><subject>Measurement by laser beam</subject><subject>Optical fiber amplifiers</subject><subject>Power lasers</subject><subject>Pump lasers</subject><subject>Raman scattering</subject><subject>Rare earth elements</subject><subject>Signal processing</subject><issn>2169-3536</issn><issn>2169-3536</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2019</creationdate><recordtype>article</recordtype><sourceid>ESBDL</sourceid><sourceid>RIE</sourceid><sourceid>DOA</sourceid><recordid>eNpNUV1LAzEQPERBUX-BLwGfW_N1ueSxlPqBgsUPfBHCJtnTlGtTc1eL_97TK-K-7DDMzC5MUZwxOmaMmovJdDp7fBxzysyYa2NkyfeKI86UGYlSqP1_-LA4bdsF7Uf3VFkdFa_zTUYyh7aNn0guo8NMZitwDQZyHd_emy8yq-voI6468gBLWO1Ek-W6iXXs0Uvs3skD-pQDuY1N2kLXkXnaYj4pDmpoWjzd7ePi-XL2NL0e3d1f3UwndyMvS92NuAZtlFMyMHDeaY6USuTSUcGRgXcheOkpqIoFRgNQwSRUoJSsg-Gai-PiZsgNCRZ2neMS8pdNEO0vkfKbhdxF36DlijtQZSU4BWnq0mhFDaucYp5hhdBnnQ9Z65w-Nth2dpE2edW_b7ksSyUlY6ZXiUHlc2rbjPXfVUbtTyt2aMX-tGJ3rfSus8EVEfHPoZXkghrxDVmLhw8</recordid><startdate>2019</startdate><enddate>2019</enddate><creator>Chen, Yizhu</creator><creator>Leng, Jinyong</creator><creator>Xiao, Hu</creator><creator>Yao, Tianfu</creator><creator>Zhou, Pu</creator><general>IEEE</general><general>The Institute of Electrical and Electronics Engineers, Inc. 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The laser system is established on master oscillator power amplification configuration, while a piece of graded-index passive fiber is utilized as Stokes shifting as well as gain medium, which is entirely irrelevant to the rare-earth-doped gain mechanism. When the pump power is 1368.8 W, we obtained 1002.3-W continuous-wave laser power at 1060 nm with the corresponding optical-to-optical efficiency of 84%. The beam parameter M 2 improves from 9.17 of the pump laser to 5.06 of the signal laser through the amplification process, and the brightness enhancement is about 2.57 at maximum output power as a consequence of the beam clean-up process in the graded-index fiber. To the best of our knowledge, we have demonstrated the first kilowatt-level high-efficiency Raman fiber amplifier based on pure passive fiber with brightness enhancement.</abstract><cop>Piscataway</cop><pub>IEEE</pub><doi>10.1109/ACCESS.2019.2899452</doi><tpages>6</tpages><orcidid>https://orcid.org/0000-0002-2058-8871</orcidid><oa>free_for_read</oa></addata></record> |
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| subjects | Amplification Amplifiers Brightness Continuous wave lasers Efficiency Fiber lasers fiber nonlinear optics high power amplifiers Laser beams Laser excitation Lasers Measurement by laser beam Optical fiber amplifiers Power lasers Pump lasers Raman scattering Rare earth elements Signal processing |
| title | Pure Passive Fiber Enabled Highly Efficient Raman Fiber Amplifier With Record Kilowatt Power |
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