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Pulse shortening in synchronously-pumped mode-locked Yb-fiber lasers
We report on theoretical and experimental study of pulsed lasing driven by synchronous pumping of an Yb-fiber laser. We show that even simple sine-wave modulation of the pump power with moderate depth (~50%) can result in shaping of a regular train of discrete laser pulses. Moreover, generated pulse...
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| creator | Nyushkov, B. N. Smirnov, S. V. Ivanenko, A. V. Trashkeev, S. I. Kolker, D. B. Kobtsev, S. M. |
| description | We report on theoretical and experimental study of pulsed lasing driven by synchronous pumping of an Yb-fiber laser. We show that even simple sine-wave modulation of the pump power with moderate depth (~50%) can result in shaping of a regular train of discrete laser pulses. Moreover, generated pulses are typically much shorter than pumping pulses. The pulse shortening factor rises with the modulation depth of pumping. It reached 5 in our setup. Thus, ~200-ns laser pulses were generated with sub-MHz sine-wave modulation of the pump power. Theoretical modelling predicts possibility of further pulse shortening (up to a factor of 11) by increasing maximal pump power and modulation index. Such shortening can be attributed to self-induced gain discrimination of the temporal pulse profile. |
| doi_str_mv | 10.1109/ICLO48556.2020.9285861 |
| format | conference_proceeding |
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N. ; Smirnov, S. V. ; Ivanenko, A. V. ; Trashkeev, S. I. ; Kolker, D. B. ; Kobtsev, S. M.</creator><creatorcontrib>Nyushkov, B. N. ; Smirnov, S. V. ; Ivanenko, A. V. ; Trashkeev, S. I. ; Kolker, D. B. ; Kobtsev, S. M.</creatorcontrib><description>We report on theoretical and experimental study of pulsed lasing driven by synchronous pumping of an Yb-fiber laser. We show that even simple sine-wave modulation of the pump power with moderate depth (~50%) can result in shaping of a regular train of discrete laser pulses. Moreover, generated pulses are typically much shorter than pumping pulses. The pulse shortening factor rises with the modulation depth of pumping. It reached 5 in our setup. Thus, ~200-ns laser pulses were generated with sub-MHz sine-wave modulation of the pump power. Theoretical modelling predicts possibility of further pulse shortening (up to a factor of 11) by increasing maximal pump power and modulation index. Such shortening can be attributed to self-induced gain discrimination of the temporal pulse profile.</description><identifier>ISBN: 9781728152325</identifier><identifier>ISBN: 1728152321</identifier><identifier>EISSN: 2642-5580</identifier><identifier>EISBN: 172815233X</identifier><identifier>EISBN: 9781728152332</identifier><identifier>DOI: 10.1109/ICLO48556.2020.9285861</identifier><language>eng</language><publisher>IEEE</publisher><subject>fiber laser ; pulse shaping ; synchronous pumping</subject><ispartof>2020 International Conference Laser Optics (ICLO), 2020, p.1-1</ispartof><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://ieeexplore.ieee.org/document/9285861$$EHTML$$P50$$Gieee$$H</linktohtml><link.rule.ids>309,310,780,784,789,790,27925,54555,54932</link.rule.ids><linktorsrc>$$Uhttps://ieeexplore.ieee.org/document/9285861$$EView_record_in_IEEE$$FView_record_in_$$GIEEE</linktorsrc></links><search><creatorcontrib>Nyushkov, B. N.</creatorcontrib><creatorcontrib>Smirnov, S. V.</creatorcontrib><creatorcontrib>Ivanenko, A. V.</creatorcontrib><creatorcontrib>Trashkeev, S. I.</creatorcontrib><creatorcontrib>Kolker, D. B.</creatorcontrib><creatorcontrib>Kobtsev, S. M.</creatorcontrib><title>Pulse shortening in synchronously-pumped mode-locked Yb-fiber lasers</title><title>2020 International Conference Laser Optics (ICLO)</title><addtitle>ICLO</addtitle><description>We report on theoretical and experimental study of pulsed lasing driven by synchronous pumping of an Yb-fiber laser. We show that even simple sine-wave modulation of the pump power with moderate depth (~50%) can result in shaping of a regular train of discrete laser pulses. Moreover, generated pulses are typically much shorter than pumping pulses. The pulse shortening factor rises with the modulation depth of pumping. It reached 5 in our setup. Thus, ~200-ns laser pulses were generated with sub-MHz sine-wave modulation of the pump power. Theoretical modelling predicts possibility of further pulse shortening (up to a factor of 11) by increasing maximal pump power and modulation index. Such shortening can be attributed to self-induced gain discrimination of the temporal pulse profile.</description><subject>fiber laser</subject><subject>pulse shaping</subject><subject>synchronous pumping</subject><issn>2642-5580</issn><isbn>9781728152325</isbn><isbn>1728152321</isbn><isbn>172815233X</isbn><isbn>9781728152332</isbn><fulltext>true</fulltext><rsrctype>conference_proceeding</rsrctype><creationdate>2020</creationdate><recordtype>conference_proceeding</recordtype><sourceid>6IE</sourceid><recordid>eNo1kM1KAzEUhaMiWOs8gSDzAqn3JpNMspTRaqFQFwq6Kunkxo7OH5POYt7egnV1PjjwcTiM3SEsEMHer4r1JjNK6YUAAQsrjDIaz9g15sKgElJ-nLOZ0JngShm4YInNzX8n1BVLYvwGAClAWoUz9vg61pHSuO-GA7VV-5VWbRqnttwPXduNsZ54PzY9-bTpPPG6K3-O_LnjodrRkNYu0hBv2GVwR01yyjl7Xz69FS98vXleFQ9rXiGaAw8qgJA-l2Skotw5TRBKV-bHbVpLK72lnXBeI5IPIofMWGVQg7OhBIVyzm7_vBURbfuhatwwbU8nyF_ueE8x</recordid><startdate>20201102</startdate><enddate>20201102</enddate><creator>Nyushkov, B. N.</creator><creator>Smirnov, S. V.</creator><creator>Ivanenko, A. V.</creator><creator>Trashkeev, S. I.</creator><creator>Kolker, D. B.</creator><creator>Kobtsev, S. M.</creator><general>IEEE</general><scope>6IE</scope><scope>6IL</scope><scope>CBEJK</scope><scope>RIE</scope><scope>RIL</scope></search><sort><creationdate>20201102</creationdate><title>Pulse shortening in synchronously-pumped mode-locked Yb-fiber lasers</title><author>Nyushkov, B. N. ; Smirnov, S. V. ; Ivanenko, A. V. ; Trashkeev, S. I. ; Kolker, D. B. ; Kobtsev, S. M.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-i118t-f5f023d73e835e7aa6e0fcac752366393d9eb2ad611edf27048958160a9fc0513</frbrgroupid><rsrctype>conference_proceedings</rsrctype><prefilter>conference_proceedings</prefilter><language>eng</language><creationdate>2020</creationdate><topic>fiber laser</topic><topic>pulse shaping</topic><topic>synchronous pumping</topic><toplevel>online_resources</toplevel><creatorcontrib>Nyushkov, B. N.</creatorcontrib><creatorcontrib>Smirnov, S. V.</creatorcontrib><creatorcontrib>Ivanenko, A. V.</creatorcontrib><creatorcontrib>Trashkeev, S. I.</creatorcontrib><creatorcontrib>Kolker, D. B.</creatorcontrib><creatorcontrib>Kobtsev, S. M.</creatorcontrib><collection>IEEE Electronic Library (IEL) Conference Proceedings</collection><collection>IEEE Proceedings Order Plan All Online (POP All Online) 1998-present by volume</collection><collection>IEEE Xplore All Conference Proceedings</collection><collection>IEL</collection><collection>IEEE Proceedings Order Plans (POP All) 1998-Present</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>Nyushkov, B. N.</au><au>Smirnov, S. V.</au><au>Ivanenko, A. V.</au><au>Trashkeev, S. I.</au><au>Kolker, D. B.</au><au>Kobtsev, S. M.</au><format>book</format><genre>proceeding</genre><ristype>CONF</ristype><atitle>Pulse shortening in synchronously-pumped mode-locked Yb-fiber lasers</atitle><btitle>2020 International Conference Laser Optics (ICLO)</btitle><stitle>ICLO</stitle><date>2020-11-02</date><risdate>2020</risdate><spage>1</spage><epage>1</epage><pages>1-1</pages><eissn>2642-5580</eissn><isbn>9781728152325</isbn><isbn>1728152321</isbn><eisbn>172815233X</eisbn><eisbn>9781728152332</eisbn><abstract>We report on theoretical and experimental study of pulsed lasing driven by synchronous pumping of an Yb-fiber laser. We show that even simple sine-wave modulation of the pump power with moderate depth (~50%) can result in shaping of a regular train of discrete laser pulses. Moreover, generated pulses are typically much shorter than pumping pulses. The pulse shortening factor rises with the modulation depth of pumping. It reached 5 in our setup. Thus, ~200-ns laser pulses were generated with sub-MHz sine-wave modulation of the pump power. Theoretical modelling predicts possibility of further pulse shortening (up to a factor of 11) by increasing maximal pump power and modulation index. Such shortening can be attributed to self-induced gain discrimination of the temporal pulse profile.</abstract><pub>IEEE</pub><doi>10.1109/ICLO48556.2020.9285861</doi><tpages>1</tpages></addata></record> |
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| ispartof | 2020 International Conference Laser Optics (ICLO), 2020, p.1-1 |
| issn | 2642-5580 |
| language | eng |
| recordid | cdi_ieee_primary_9285861 |
| source | IEEE Xplore All Conference Series |
| subjects | fiber laser pulse shaping synchronous pumping |
| title | Pulse shortening in synchronously-pumped mode-locked Yb-fiber lasers |
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