Spectral broadening in lithium niobate in a self-diffraction geometry using ultrashort pulses
We report on broadband light generation in the impulsive regime in an un-doped lithium niobate (LiNbO 3 ) crystal by two femtosecond laser pulses (36 fs) from a Ti-sapphire laser amplifier. We systematically investigate the role of incident intensity on spectral broadening. At relatively low inciden...
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| Veröffentlicht in: | Applied physics. B, Lasers and optics Lasers and optics, 2016-05, Vol.122 (5), p.1-7, Article 140 |
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| container_title | Applied physics. B, Lasers and optics |
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| creator | Dharmadhikari, Jayashree A. Dota, Krithika Mathur, Deepak Dharmadhikari, Aditya K. |
| description | We report on broadband light generation in the impulsive regime in an un-doped lithium niobate (LiNbO
3
) crystal by two femtosecond laser pulses (36 fs) from a Ti-sapphire laser amplifier. We systematically investigate the role of incident intensity on spectral broadening. At relatively low incident intensity (0.7 TW cm
−2
), spectral broadening in the transmitted beam occurs due to the combined effect of self-phase modulation and cross-phase modulation. At higher incident intensity (10.2 TW cm
−2
), we observe generation of as many as 21 anti-Stokes orders due to coherent anti-Stokes Raman scattering in self-diffraction geometry. Moreover, we observe order-dependent spectral broadening of anti-Stokes lines that may be attributed to the competition with other nonlinear optical effects like cross-phase modulation. |
| doi_str_mv | 10.1007/s00340-016-6423-y |
| format | Article |
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3
) crystal by two femtosecond laser pulses (36 fs) from a Ti-sapphire laser amplifier. We systematically investigate the role of incident intensity on spectral broadening. At relatively low incident intensity (0.7 TW cm
−2
), spectral broadening in the transmitted beam occurs due to the combined effect of self-phase modulation and cross-phase modulation. At higher incident intensity (10.2 TW cm
−2
), we observe generation of as many as 21 anti-Stokes orders due to coherent anti-Stokes Raman scattering in self-diffraction geometry. Moreover, we observe order-dependent spectral broadening of anti-Stokes lines that may be attributed to the competition with other nonlinear optical effects like cross-phase modulation.</description><identifier>ISSN: 0946-2171</identifier><identifier>EISSN: 1432-0649</identifier><identifier>DOI: 10.1007/s00340-016-6423-y</identifier><language>eng</language><publisher>Berlin/Heidelberg: Springer Berlin Heidelberg</publisher><subject>Broadband ; Coherent scattering ; Crystals ; Engineering ; Femtosecond ; Lasers ; Lithium niobates ; Modulation ; Optical Devices ; Optics ; Photonics ; Physical Chemistry ; Physics ; Physics and Astronomy ; Quantum Optics ; Spectra</subject><ispartof>Applied physics. B, Lasers and optics, 2016-05, Vol.122 (5), p.1-7, Article 140</ispartof><rights>Springer-Verlag Berlin Heidelberg 2016</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c321t-2f8f4cd1f95449b1def23d13286ee9e4abda00006c1c800867aa1a34b515e0a73</citedby><cites>FETCH-LOGICAL-c321t-2f8f4cd1f95449b1def23d13286ee9e4abda00006c1c800867aa1a34b515e0a73</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://link.springer.com/content/pdf/10.1007/s00340-016-6423-y$$EPDF$$P50$$Gspringer$$H</linktopdf><linktohtml>$$Uhttps://link.springer.com/10.1007/s00340-016-6423-y$$EHTML$$P50$$Gspringer$$H</linktohtml><link.rule.ids>314,778,782,27911,27912,41475,42544,51306</link.rule.ids></links><search><creatorcontrib>Dharmadhikari, Jayashree A.</creatorcontrib><creatorcontrib>Dota, Krithika</creatorcontrib><creatorcontrib>Mathur, Deepak</creatorcontrib><creatorcontrib>Dharmadhikari, Aditya K.</creatorcontrib><title>Spectral broadening in lithium niobate in a self-diffraction geometry using ultrashort pulses</title><title>Applied physics. B, Lasers and optics</title><addtitle>Appl. Phys. B</addtitle><description>We report on broadband light generation in the impulsive regime in an un-doped lithium niobate (LiNbO
3
) crystal by two femtosecond laser pulses (36 fs) from a Ti-sapphire laser amplifier. We systematically investigate the role of incident intensity on spectral broadening. At relatively low incident intensity (0.7 TW cm
−2
), spectral broadening in the transmitted beam occurs due to the combined effect of self-phase modulation and cross-phase modulation. At higher incident intensity (10.2 TW cm
−2
), we observe generation of as many as 21 anti-Stokes orders due to coherent anti-Stokes Raman scattering in self-diffraction geometry. Moreover, we observe order-dependent spectral broadening of anti-Stokes lines that may be attributed to the competition with other nonlinear optical effects like cross-phase modulation.</description><subject>Broadband</subject><subject>Coherent scattering</subject><subject>Crystals</subject><subject>Engineering</subject><subject>Femtosecond</subject><subject>Lasers</subject><subject>Lithium niobates</subject><subject>Modulation</subject><subject>Optical Devices</subject><subject>Optics</subject><subject>Photonics</subject><subject>Physical Chemistry</subject><subject>Physics</subject><subject>Physics and Astronomy</subject><subject>Quantum Optics</subject><subject>Spectra</subject><issn>0946-2171</issn><issn>1432-0649</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2016</creationdate><recordtype>article</recordtype><recordid>eNp9kD9PxDAMxSMEEsfBB2DryBKI21zajujEPwmJARhRlKbOXU5tciTt0G9PSpnxYst6vyf7EXIN7BYYK-8iYwVnlIGggucFnU7ICniRUyZ4fUpWrOaC5lDCObmI8cBSiapaka_3I-ohqC5rglctOut2mXVZZ4e9HfvMWd-oAeeVyiJ2hrbWmKD0YL3Lduh7HMKUjXHmxi45xb0PQ3Ycu4jxkpwZlYarv74mn48PH9tn-vr29LK9f6W6yGGguakM1y2YesN53UCLJi9aKPJKINbIVdOq34s16IqxSpRKgSp4s4ENMlUWa3Kz-B6D_x4xDrK3UWPXKYd-jBKqhIEQUCUpLFIdfIwBjTwG26swSWByjlIuUcqkl3OUckpMvjAxad0Ogzz4Mbj00T_QD6_WeLI</recordid><startdate>20160501</startdate><enddate>20160501</enddate><creator>Dharmadhikari, Jayashree A.</creator><creator>Dota, Krithika</creator><creator>Mathur, Deepak</creator><creator>Dharmadhikari, Aditya K.</creator><general>Springer Berlin Heidelberg</general><scope>AAYXX</scope><scope>CITATION</scope><scope>7SP</scope><scope>7U5</scope><scope>8FD</scope><scope>H8D</scope><scope>L7M</scope></search><sort><creationdate>20160501</creationdate><title>Spectral broadening in lithium niobate in a self-diffraction geometry using ultrashort pulses</title><author>Dharmadhikari, Jayashree A. ; Dota, Krithika ; Mathur, Deepak ; Dharmadhikari, Aditya K.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c321t-2f8f4cd1f95449b1def23d13286ee9e4abda00006c1c800867aa1a34b515e0a73</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2016</creationdate><topic>Broadband</topic><topic>Coherent scattering</topic><topic>Crystals</topic><topic>Engineering</topic><topic>Femtosecond</topic><topic>Lasers</topic><topic>Lithium niobates</topic><topic>Modulation</topic><topic>Optical Devices</topic><topic>Optics</topic><topic>Photonics</topic><topic>Physical Chemistry</topic><topic>Physics</topic><topic>Physics and Astronomy</topic><topic>Quantum Optics</topic><topic>Spectra</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Dharmadhikari, Jayashree A.</creatorcontrib><creatorcontrib>Dota, Krithika</creatorcontrib><creatorcontrib>Mathur, Deepak</creatorcontrib><creatorcontrib>Dharmadhikari, Aditya K.</creatorcontrib><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>Applied physics. B, Lasers and optics</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Dharmadhikari, Jayashree A.</au><au>Dota, Krithika</au><au>Mathur, Deepak</au><au>Dharmadhikari, Aditya K.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Spectral broadening in lithium niobate in a self-diffraction geometry using ultrashort pulses</atitle><jtitle>Applied physics. B, Lasers and optics</jtitle><stitle>Appl. Phys. B</stitle><date>2016-05-01</date><risdate>2016</risdate><volume>122</volume><issue>5</issue><spage>1</spage><epage>7</epage><pages>1-7</pages><artnum>140</artnum><issn>0946-2171</issn><eissn>1432-0649</eissn><abstract>We report on broadband light generation in the impulsive regime in an un-doped lithium niobate (LiNbO
3
) crystal by two femtosecond laser pulses (36 fs) from a Ti-sapphire laser amplifier. We systematically investigate the role of incident intensity on spectral broadening. At relatively low incident intensity (0.7 TW cm
−2
), spectral broadening in the transmitted beam occurs due to the combined effect of self-phase modulation and cross-phase modulation. At higher incident intensity (10.2 TW cm
−2
), we observe generation of as many as 21 anti-Stokes orders due to coherent anti-Stokes Raman scattering in self-diffraction geometry. Moreover, we observe order-dependent spectral broadening of anti-Stokes lines that may be attributed to the competition with other nonlinear optical effects like cross-phase modulation.</abstract><cop>Berlin/Heidelberg</cop><pub>Springer Berlin Heidelberg</pub><doi>10.1007/s00340-016-6423-y</doi><tpages>7</tpages></addata></record> |
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| ispartof | Applied physics. B, Lasers and optics, 2016-05, Vol.122 (5), p.1-7, Article 140 |
| issn | 0946-2171 1432-0649 |
| language | eng |
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| source | Springer Nature - Complete Springer Journals |
| subjects | Broadband Coherent scattering Crystals Engineering Femtosecond Lasers Lithium niobates Modulation Optical Devices Optics Photonics Physical Chemistry Physics Physics and Astronomy Quantum Optics Spectra |
| title | Spectral broadening in lithium niobate in a self-diffraction geometry using ultrashort pulses |
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