White light generated by femtosecond optical vortex beams
In this work we report detailed experimental and numerical investigation of the white light generation by singly and doubly charged optical vortices propagating in a Kerr medium, where spectral broadening and transfer of topological charge (TC) into emerging spectral satellites take place due to sel...
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| Veröffentlicht in: | Journal of the Optical Society of America. B, Optical physics Optical physics, 2016-04, Vol.33 (4), p.681-690 |
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| container_end_page | 690 |
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| container_title | Journal of the Optical Society of America. B, Optical physics |
| container_volume | 33 |
| creator | Hansinger, P. Maleshkov, G. Garanovich, I. L. Skryabin, D. V. Neshev, D. N. Dreischuh, A. Paulus, G. G. |
| description | In this work we report detailed experimental and numerical investigation of the white light generation by singly and doubly charged optical vortices propagating in a Kerr medium, where spectral broadening and transfer of topological charge (TC) into emerging spectral satellites take place due to self-phase modulation and degenerate four-wave frequency mixing (FWFM). Experiments performed with different pump beams show excellent agreement with theory. Singly and doubly charged white light vortices are observed within more than + or -200nm bandwidth after nonlinear propagation in Argon gas. Our experiment and theory data confirm that the TC transformation of the newly generated spectral components follows a law analogous to the one for energy conservation in the FWFM process. We also present results on the white light vortex stability. |
| doi_str_mv | 10.1364/JOSAB.33.000681 |
| format | Article |
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G.</creatorcontrib><title>White light generated by femtosecond optical vortex beams</title><title>Journal of the Optical Society of America. B, Optical physics</title><description>In this work we report detailed experimental and numerical investigation of the white light generation by singly and doubly charged optical vortices propagating in a Kerr medium, where spectral broadening and transfer of topological charge (TC) into emerging spectral satellites take place due to self-phase modulation and degenerate four-wave frequency mixing (FWFM). Experiments performed with different pump beams show excellent agreement with theory. Singly and doubly charged white light vortices are observed within more than + or -200nm bandwidth after nonlinear propagation in Argon gas. Our experiment and theory data confirm that the TC transformation of the newly generated spectral components follows a law analogous to the one for energy conservation in the FWFM process. We also present results on the white light vortex stability.</description><subject>Beams (radiation)</subject><subject>Charge</subject><subject>Fluid flow</subject><subject>Modulation</subject><subject>Propagation</subject><subject>Spectra</subject><subject>Vortices</subject><subject>White light</subject><issn>0740-3224</issn><issn>1520-8540</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2016</creationdate><recordtype>article</recordtype><recordid>eNotkL9PwzAQhS0EEqUws2ZkSXr2XdJkLBU_VakDIEbLdS5tUFIX20X0vydQplu-e3rvE-JaQiaxoMnz8mV2myFmAFCU8kSMZK4gLXOCUzGCKUGKStG5uAjhY2AIlBqJ6n3TRk66dr2JyZq37E3kOlkdkob76AJbt60Tt4utNV3y5Xzk72TFpg-X4qwxXeCr_zsWb_d3r_PHdLF8eJrPFqlFmccUCchaBEOqHv6UZAS7wqlUjSqpyJUyZMuqrrAwRVVbqaqhGeWEpiFFiGNxc8zdefe55xB13wbLXWe27PZBy1IWANNhz4BOjqj1LgTPjd75tjf-oCXoX0n6T5JG1EdJ-APDY1h7</recordid><startdate>20160401</startdate><enddate>20160401</enddate><creator>Hansinger, P.</creator><creator>Maleshkov, G.</creator><creator>Garanovich, I. 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B, Optical physics</jtitle><date>2016-04-01</date><risdate>2016</risdate><volume>33</volume><issue>4</issue><spage>681</spage><epage>690</epage><pages>681-690</pages><issn>0740-3224</issn><eissn>1520-8540</eissn><abstract>In this work we report detailed experimental and numerical investigation of the white light generation by singly and doubly charged optical vortices propagating in a Kerr medium, where spectral broadening and transfer of topological charge (TC) into emerging spectral satellites take place due to self-phase modulation and degenerate four-wave frequency mixing (FWFM). Experiments performed with different pump beams show excellent agreement with theory. Singly and doubly charged white light vortices are observed within more than + or -200nm bandwidth after nonlinear propagation in Argon gas. Our experiment and theory data confirm that the TC transformation of the newly generated spectral components follows a law analogous to the one for energy conservation in the FWFM process. We also present results on the white light vortex stability.</abstract><doi>10.1364/JOSAB.33.000681</doi><tpages>10</tpages><oa>free_for_read</oa></addata></record> |
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| language | eng |
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| source | Optica Publishing Group Journals |
| subjects | Beams (radiation) Charge Fluid flow Modulation Propagation Spectra Vortices White light |
| title | White light generated by femtosecond optical vortex beams |
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