Inhomogeneous MHz-scale intensity noise in double-pass fiber amplifiers
Here we report about the first demonstration of periodic MHz-scale inhomogeneous relative intensity noise (RIN) induced in double-pass fiber amplifiers. An Er:Yb-doped double-pass fiber amplifier operating near 1570.2 nm and stable continuous-wave single-frequency radiation source are used for the d...
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| Veröffentlicht in: | Laser physics letters 2025-02, Vol.22 (2), p.25102 |
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| container_title | Laser physics letters |
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| creator | Poddubrovskii, N R Lobach, I A Podivilov, E V Kablukov, S I |
| description | Here we report about the first demonstration of periodic MHz-scale inhomogeneous relative intensity noise (RIN) induced in double-pass fiber amplifiers. An Er:Yb-doped double-pass fiber amplifier operating near 1570.2 nm and stable continuous-wave single-frequency radiation source are used for the demonstration. The periodic structure of RIN has typical period of units of MHz observed in the range of 0–50 MHz and is formed in the radio-frequency spectrum of the amplified signal. It was found that the key factor influencing period of the RIN structure is spacing between the active fiber and a reflector forming the double-pass amplifier configuration. The population dynamics gratings formed in the active fiber are considered to be responsible for the formation of the periodic RIN structure. Here we investigate an influence of various factors on the period and positions of the RIN structure maxima. The results obtained can be used for designing single-frequency double-pass fiber amplifiers. |
| doi_str_mv | 10.1088/1612-202X/ada7d5 |
| format | Article |
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An Er:Yb-doped double-pass fiber amplifier operating near 1570.2 nm and stable continuous-wave single-frequency radiation source are used for the demonstration. The periodic structure of RIN has typical period of units of MHz observed in the range of 0–50 MHz and is formed in the radio-frequency spectrum of the amplified signal. It was found that the key factor influencing period of the RIN structure is spacing between the active fiber and a reflector forming the double-pass amplifier configuration. The population dynamics gratings formed in the active fiber are considered to be responsible for the formation of the periodic RIN structure. Here we investigate an influence of various factors on the period and positions of the RIN structure maxima. The results obtained can be used for designing single-frequency double-pass fiber amplifiers.</description><identifier>ISSN: 1612-2011</identifier><identifier>EISSN: 1612-202X</identifier><identifier>DOI: 10.1088/1612-202X/ada7d5</identifier><identifier>CODEN: LPLABC</identifier><language>eng</language><publisher>IOP Publishing</publisher><subject>double-pass amplifiers ; Er:Yb-doped amplifier ; fiber amplifiers ; relative intensity noise ; single-frequency radiation</subject><ispartof>Laser physics letters, 2025-02, Vol.22 (2), p.25102</ispartof><rights>2025 Astro Ltd. 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Lett</addtitle><description>Here we report about the first demonstration of periodic MHz-scale inhomogeneous relative intensity noise (RIN) induced in double-pass fiber amplifiers. An Er:Yb-doped double-pass fiber amplifier operating near 1570.2 nm and stable continuous-wave single-frequency radiation source are used for the demonstration. The periodic structure of RIN has typical period of units of MHz observed in the range of 0–50 MHz and is formed in the radio-frequency spectrum of the amplified signal. It was found that the key factor influencing period of the RIN structure is spacing between the active fiber and a reflector forming the double-pass amplifier configuration. The population dynamics gratings formed in the active fiber are considered to be responsible for the formation of the periodic RIN structure. Here we investigate an influence of various factors on the period and positions of the RIN structure maxima. The results obtained can be used for designing single-frequency double-pass fiber amplifiers.</description><subject>double-pass amplifiers</subject><subject>Er:Yb-doped amplifier</subject><subject>fiber amplifiers</subject><subject>relative intensity noise</subject><subject>single-frequency radiation</subject><issn>1612-2011</issn><issn>1612-202X</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2025</creationdate><recordtype>article</recordtype><recordid>eNp1UD1PwzAUtBBIlMLOmI2F0PecL3dEFbSVilhAYrMc-xlcJXFkt0P59SQq6gTT-9Dd6e4Yu0V4QBBihiXylAP_mCmjKlOcscnpdX7aES_ZVYxbgAyKaj5hy3X35Vv_SR35fUxeVt9p1KqhxHU76qLbHZLOuzjeifH7uqG0VzEm1tUUEtX2jbOOQrxmF1Y1kW5-55S9Pz-9LVbp5nW5XjxuUo3zYpcqrUubZ1Uu5iVVJq-4rkVhgASAAJtjDVmpCCyZkgwiaINC13mlMiJR2mzK4Kirg48xkJV9cK0KB4kgxyLkmFSOqeWxiIFyd6Q438ut34duMCibvpF8AErgBQKXvRnF7_9A_iv8A1yTbjg</recordid><startdate>20250201</startdate><enddate>20250201</enddate><creator>Poddubrovskii, N R</creator><creator>Lobach, I A</creator><creator>Podivilov, E V</creator><creator>Kablukov, S I</creator><general>IOP Publishing</general><scope>AAYXX</scope><scope>CITATION</scope></search><sort><creationdate>20250201</creationdate><title>Inhomogeneous MHz-scale intensity noise in double-pass fiber amplifiers</title><author>Poddubrovskii, N R ; Lobach, I A ; Podivilov, E V ; Kablukov, S I</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c195t-acc6f4374896e7d472cb85d0e80080f41b036ae0fed6ed110cd18cb47a3ee86f3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2025</creationdate><topic>double-pass amplifiers</topic><topic>Er:Yb-doped amplifier</topic><topic>fiber amplifiers</topic><topic>relative intensity noise</topic><topic>single-frequency radiation</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Poddubrovskii, N R</creatorcontrib><creatorcontrib>Lobach, I A</creatorcontrib><creatorcontrib>Podivilov, E V</creatorcontrib><creatorcontrib>Kablukov, S I</creatorcontrib><collection>CrossRef</collection><jtitle>Laser physics letters</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Poddubrovskii, N R</au><au>Lobach, I A</au><au>Podivilov, E V</au><au>Kablukov, S I</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Inhomogeneous MHz-scale intensity noise in double-pass fiber amplifiers</atitle><jtitle>Laser physics letters</jtitle><stitle>LPL</stitle><addtitle>Laser Phys. Lett</addtitle><date>2025-02-01</date><risdate>2025</risdate><volume>22</volume><issue>2</issue><spage>25102</spage><pages>25102-</pages><issn>1612-2011</issn><eissn>1612-202X</eissn><coden>LPLABC</coden><abstract>Here we report about the first demonstration of periodic MHz-scale inhomogeneous relative intensity noise (RIN) induced in double-pass fiber amplifiers. An Er:Yb-doped double-pass fiber amplifier operating near 1570.2 nm and stable continuous-wave single-frequency radiation source are used for the demonstration. The periodic structure of RIN has typical period of units of MHz observed in the range of 0–50 MHz and is formed in the radio-frequency spectrum of the amplified signal. It was found that the key factor influencing period of the RIN structure is spacing between the active fiber and a reflector forming the double-pass amplifier configuration. The population dynamics gratings formed in the active fiber are considered to be responsible for the formation of the periodic RIN structure. Here we investigate an influence of various factors on the period and positions of the RIN structure maxima. The results obtained can be used for designing single-frequency double-pass fiber amplifiers.</abstract><pub>IOP Publishing</pub><doi>10.1088/1612-202X/ada7d5</doi><tpages>7</tpages></addata></record> |
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| ispartof | Laser physics letters, 2025-02, Vol.22 (2), p.25102 |
| issn | 1612-2011 1612-202X |
| language | eng |
| recordid | cdi_crossref_primary_10_1088_1612_202X_ada7d5 |
| source | Institute of Physics Journals |
| subjects | double-pass amplifiers Er:Yb-doped amplifier fiber amplifiers relative intensity noise single-frequency radiation |
| title | Inhomogeneous MHz-scale intensity noise in double-pass fiber amplifiers |
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