Field-free orientation of CO molecule by combining two-color femtosecond laser pulse with time-delayed positively chirped laser pulse
The orientation of CO molecule controlled by two-color femtosecond laser pulse and positively chirped laser pulse is investigated theoretically. Compared with the single two-color or positively chirped laser pulse, the combination of two laser pulses with an optimized delay time can greatly improve...
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| Veröffentlicht in: | The European physical journal. D, Atomic, molecular, and optical physics Atomic, molecular, and optical physics, 2018-08, Vol.72 (8), p.1-8, Article 141 |
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| container_title | The European physical journal. D, Atomic, molecular, and optical physics |
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| creator | Tao, Hong-Cai Wang, Shuo Zhan, Wei-Shen Hao, Ce Li, Hui-Fang |
| description | The orientation of CO molecule controlled by two-color femtosecond laser pulse and positively chirped laser pulse is investigated theoretically. Compared with the single two-color or positively chirped laser pulse, the combination of two laser pulses with an optimized delay time can greatly improve the degrees of the positive and negative molecular orientation, respectively. The effects of intensity of two-color femtosecond laser pulse on molecular orientation are discussed, and the molecular orientation can be achieved by a calculated intensity. Additionally, the delay time between two-color femtosecond laser pulse and positively chirped laser pulse can significantly enhance the molecular orientation. Furthermore, by varying the carrier frequency and the chirp value of the positively chirped laser pulse, it is shown that the molecular orientation can be changed to some degree. The positive and negative molecular orientation can also be manipulated by adjusting the relative amplitude of the second harmonic field with respect to the fundamental.
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| doi_str_mv | 10.1140/epjd/e2018-80788-4 |
| format | Article |
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Graphical abstract</description><subject>Applications of Nonlinear Dynamics and Chaos Theory</subject><subject>Atomic</subject><subject>Carrier frequencies</subject><subject>Color</subject><subject>Delay</subject><subject>Femtosecond pulses</subject><subject>Lasers</subject><subject>Molecular</subject><subject>Optical and Plasma Physics</subject><subject>Orientation</subject><subject>Physical Chemistry</subject><subject>Physics</subject><subject>Physics and Astronomy</subject><subject>Quantum Information Technology</subject><subject>Quantum Physics</subject><subject>Regular Article</subject><subject>Spectroscopy/Spectrometry</subject><subject>Spintronics</subject><subject>Surface tension</subject><issn>1434-6060</issn><issn>1434-6079</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2018</creationdate><recordtype>article</recordtype><recordid>eNp9kM1KxDAUhYso-PsCrgKu49y0mSRdyuCoILjRdUjTG83QNjXJOMwD-N5WRxQ3rs5dnO9c-IrinMElYxxmOK7aGZbAFFUglaJ8rzhivOJUgKz3f24Bh8VxSisAKOdcHBXvS49dS11EJCF6HLLJPgwkOLJ4IH3o0K47JM2W2NA3fvDDM8mbQG3oQiQO-xwS2jC0pDMJIxnXXUKy8fmFZN8jbbEzW2zJGJLP_g27aejFxxH_AKfFgTNTnn3nSfG0vH5c3NL7h5u7xdU9tRWrM2WCMWuZk8IJVhtZzStsuCtRCtuC4tIaV1as4QZcpUqQljujBFjh5gZlXZ0UF7vdMYbXNaasV2Edh-mlLkGVEmoOMLXKXcvGkFJEp8foexO3moH-1K0_desv3fpLt-YTVO2gNJWHZ4y_0_9QH0Ceh58</recordid><startdate>20180801</startdate><enddate>20180801</enddate><creator>Tao, Hong-Cai</creator><creator>Wang, Shuo</creator><creator>Zhan, Wei-Shen</creator><creator>Hao, Ce</creator><creator>Li, Hui-Fang</creator><general>Springer Berlin Heidelberg</general><general>Springer Nature B.V</general><scope>AAYXX</scope><scope>CITATION</scope></search><sort><creationdate>20180801</creationdate><title>Field-free orientation of CO molecule by combining two-color femtosecond laser pulse with time-delayed positively chirped laser pulse</title><author>Tao, Hong-Cai ; Wang, Shuo ; Zhan, Wei-Shen ; Hao, Ce ; Li, Hui-Fang</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c319t-1611cc1f76f619a7353eb4f2e76cd0847caf231b4a0f38207c4fa860c6f5ae793</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2018</creationdate><topic>Applications of Nonlinear Dynamics and Chaos Theory</topic><topic>Atomic</topic><topic>Carrier frequencies</topic><topic>Color</topic><topic>Delay</topic><topic>Femtosecond pulses</topic><topic>Lasers</topic><topic>Molecular</topic><topic>Optical and Plasma Physics</topic><topic>Orientation</topic><topic>Physical Chemistry</topic><topic>Physics</topic><topic>Physics and Astronomy</topic><topic>Quantum Information Technology</topic><topic>Quantum Physics</topic><topic>Regular Article</topic><topic>Spectroscopy/Spectrometry</topic><topic>Spintronics</topic><topic>Surface tension</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Tao, Hong-Cai</creatorcontrib><creatorcontrib>Wang, Shuo</creatorcontrib><creatorcontrib>Zhan, Wei-Shen</creatorcontrib><creatorcontrib>Hao, Ce</creatorcontrib><creatorcontrib>Li, Hui-Fang</creatorcontrib><collection>CrossRef</collection><jtitle>The European physical journal. D, Atomic, molecular, and optical physics</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Tao, Hong-Cai</au><au>Wang, Shuo</au><au>Zhan, Wei-Shen</au><au>Hao, Ce</au><au>Li, Hui-Fang</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Field-free orientation of CO molecule by combining two-color femtosecond laser pulse with time-delayed positively chirped laser pulse</atitle><jtitle>The European physical journal. D, Atomic, molecular, and optical physics</jtitle><stitle>Eur. Phys. J. D</stitle><date>2018-08-01</date><risdate>2018</risdate><volume>72</volume><issue>8</issue><spage>1</spage><epage>8</epage><pages>1-8</pages><artnum>141</artnum><issn>1434-6060</issn><eissn>1434-6079</eissn><abstract>The orientation of CO molecule controlled by two-color femtosecond laser pulse and positively chirped laser pulse is investigated theoretically. Compared with the single two-color or positively chirped laser pulse, the combination of two laser pulses with an optimized delay time can greatly improve the degrees of the positive and negative molecular orientation, respectively. The effects of intensity of two-color femtosecond laser pulse on molecular orientation are discussed, and the molecular orientation can be achieved by a calculated intensity. Additionally, the delay time between two-color femtosecond laser pulse and positively chirped laser pulse can significantly enhance the molecular orientation. Furthermore, by varying the carrier frequency and the chirp value of the positively chirped laser pulse, it is shown that the molecular orientation can be changed to some degree. The positive and negative molecular orientation can also be manipulated by adjusting the relative amplitude of the second harmonic field with respect to the fundamental.
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| subjects | Applications of Nonlinear Dynamics and Chaos Theory Atomic Carrier frequencies Color Delay Femtosecond pulses Lasers Molecular Optical and Plasma Physics Orientation Physical Chemistry Physics Physics and Astronomy Quantum Information Technology Quantum Physics Regular Article Spectroscopy/Spectrometry Spintronics Surface tension |
| title | Field-free orientation of CO molecule by combining two-color femtosecond laser pulse with time-delayed positively chirped laser pulse |
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