Nonlinearity-induced asymmetric diffraction in a hybrid A/B structure with two azo-containing materials
Nonlinearity-induced asymmetric diffraction based on spatial self-phase modulation is demonstrated experimentally through the illumination of a focus Gaussian laser beam on azo-containing materials coupled together with an A/B structure. We report here that symmetry breaking occurs to the intensity...
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| Veröffentlicht in: | Applied physics letters 2021-01, Vol.118 (1), Article 011108 |
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| creator | Pan, Yujia Wang, Changshun Lyu, Ziyao Chen, Tianyu |
| description | Nonlinearity-induced asymmetric diffraction based on spatial self-phase modulation is demonstrated experimentally through the illumination of a focus Gaussian laser beam on azo-containing materials coupled together with an A/B structure. We report here that symmetry breaking occurs to the intensity distribution of the transmitted light with diffraction rings when the propagation direction of the pump light is reversed, where asymmetric diffraction excitation takes place. In certain cases, unidirectional diffraction excitation could be realized. In addition, as the light intensity is enhanced, the diameter of the diffraction pattern increases linearly and the linear coefficient is related to the propagation direction of the beam. The diffraction efficiency of the nth diffraction ring differs significantly between the two directions when incident light is set in some specific intensity range. The achievement of the symmetry breaking of light propagation is attributed to the different nonlinear optical response strength of the two azo-containing materials. |
| doi_str_mv | 10.1063/5.0021522 |
| format | Article |
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We report here that symmetry breaking occurs to the intensity distribution of the transmitted light with diffraction rings when the propagation direction of the pump light is reversed, where asymmetric diffraction excitation takes place. In certain cases, unidirectional diffraction excitation could be realized. In addition, as the light intensity is enhanced, the diameter of the diffraction pattern increases linearly and the linear coefficient is related to the propagation direction of the beam. The diffraction efficiency of the nth diffraction ring differs significantly between the two directions when incident light is set in some specific intensity range. 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We report here that symmetry breaking occurs to the intensity distribution of the transmitted light with diffraction rings when the propagation direction of the pump light is reversed, where asymmetric diffraction excitation takes place. In certain cases, unidirectional diffraction excitation could be realized. In addition, as the light intensity is enhanced, the diameter of the diffraction pattern increases linearly and the linear coefficient is related to the propagation direction of the beam. The diffraction efficiency of the nth diffraction ring differs significantly between the two directions when incident light is set in some specific intensity range. The achievement of the symmetry breaking of light propagation is attributed to the different nonlinear optical response strength of the two azo-containing materials.</description><subject>Applied physics</subject><subject>Asymmetry</subject><subject>Broken symmetry</subject><subject>Diffraction efficiency</subject><subject>Diffraction patterns</subject><subject>Excitation</subject><subject>Gaussian beams (optics)</subject><subject>Incident light</subject><subject>Laser beams</subject><subject>Light diffraction</subject><subject>Luminous intensity</subject><subject>Nonlinear response</subject><subject>Nonlinearity</subject><subject>Phase modulation</subject><subject>Physical Sciences</subject><subject>Physics</subject><subject>Physics, Applied</subject><subject>Propagation</subject><subject>Science & Technology</subject><issn>0003-6951</issn><issn>1077-3118</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2021</creationdate><recordtype>article</recordtype><sourceid>HGBXW</sourceid><recordid>eNqNkEtLAzEUhYMoWB8L_0HAlcrUPJpJZlmLLxDduB8yeWhKm9QkY6m_3pQRXSmu7r2H79x7OQCcYDTGqKaXbIwQwYyQHTDCiPOKYix2wQghRKu6YXgfHKQ0LyMjlI7Ay2PwC-eNjC5vKud1r4yGMm2WS5OjU1A7a6NU2QUPnYcSvm666DScXl7BlGOvch8NXLv8CvM6QPkRKhV8ls47_wKXMpvo5CIdgT1bijn-qofg-eb6eXZXPTzd3s-mD5WihOeKIyykoQRxwUxjJWt4bTuiRWflBEnLGlw0RCeEC4GEZHVDjOy0bYzWoqaH4HRYu4rhrTcpt_PQR18utmTCGRZ0Um-ps4FSMaQUjW1X0S1l3LQYtdsYW9Z-xVjYi4Fdmy7YpJzxynzzJccacVzeLB0ShRb_p2cuy22us9D7XKzng7W4Bv3Pr36F30P8AduVtvQTNvWiJg</recordid><startdate>20210104</startdate><enddate>20210104</enddate><creator>Pan, Yujia</creator><creator>Wang, Changshun</creator><creator>Lyu, Ziyao</creator><creator>Chen, Tianyu</creator><general>AIP Publishing</general><general>American Institute of Physics</general><scope>BLEPL</scope><scope>DTL</scope><scope>HGBXW</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>8FD</scope><scope>H8D</scope><scope>L7M</scope><orcidid>https://orcid.org/0000-0002-4144-3268</orcidid></search><sort><creationdate>20210104</creationdate><title>Nonlinearity-induced asymmetric diffraction in a hybrid A/B structure with two azo-containing materials</title><author>Pan, Yujia ; Wang, Changshun ; Lyu, Ziyao ; Chen, Tianyu</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c327t-7018ae320785e9fa5976fb2d8bfa40af591a59034278808a5692eabdf9edd863</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2021</creationdate><topic>Applied physics</topic><topic>Asymmetry</topic><topic>Broken symmetry</topic><topic>Diffraction efficiency</topic><topic>Diffraction patterns</topic><topic>Excitation</topic><topic>Gaussian beams (optics)</topic><topic>Incident light</topic><topic>Laser beams</topic><topic>Light diffraction</topic><topic>Luminous intensity</topic><topic>Nonlinear response</topic><topic>Nonlinearity</topic><topic>Phase modulation</topic><topic>Physical Sciences</topic><topic>Physics</topic><topic>Physics, Applied</topic><topic>Propagation</topic><topic>Science & Technology</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Pan, Yujia</creatorcontrib><creatorcontrib>Wang, Changshun</creatorcontrib><creatorcontrib>Lyu, Ziyao</creatorcontrib><creatorcontrib>Chen, Tianyu</creatorcontrib><collection>Web of Science Core Collection</collection><collection>Science Citation Index Expanded</collection><collection>Web of Science - Science Citation Index Expanded - 2021</collection><collection>CrossRef</collection><collection>Technology Research Database</collection><collection>Aerospace Database</collection><collection>Advanced Technologies Database with Aerospace</collection><jtitle>Applied physics letters</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Pan, Yujia</au><au>Wang, Changshun</au><au>Lyu, Ziyao</au><au>Chen, Tianyu</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Nonlinearity-induced asymmetric diffraction in a hybrid A/B structure with two azo-containing materials</atitle><jtitle>Applied physics letters</jtitle><stitle>APPL PHYS LETT</stitle><date>2021-01-04</date><risdate>2021</risdate><volume>118</volume><issue>1</issue><artnum>011108</artnum><issn>0003-6951</issn><eissn>1077-3118</eissn><coden>APPLAB</coden><abstract>Nonlinearity-induced asymmetric diffraction based on spatial self-phase modulation is demonstrated experimentally through the illumination of a focus Gaussian laser beam on azo-containing materials coupled together with an A/B structure. We report here that symmetry breaking occurs to the intensity distribution of the transmitted light with diffraction rings when the propagation direction of the pump light is reversed, where asymmetric diffraction excitation takes place. In certain cases, unidirectional diffraction excitation could be realized. In addition, as the light intensity is enhanced, the diameter of the diffraction pattern increases linearly and the linear coefficient is related to the propagation direction of the beam. The diffraction efficiency of the nth diffraction ring differs significantly between the two directions when incident light is set in some specific intensity range. The achievement of the symmetry breaking of light propagation is attributed to the different nonlinear optical response strength of the two azo-containing materials.</abstract><cop>MELVILLE</cop><pub>AIP Publishing</pub><doi>10.1063/5.0021522</doi><tpages>5</tpages><orcidid>https://orcid.org/0000-0002-4144-3268</orcidid></addata></record> |
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| ispartof | Applied physics letters, 2021-01, Vol.118 (1), Article 011108 |
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| language | eng |
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| source | AIP Journals Complete; Alma/SFX Local Collection |
| subjects | Applied physics Asymmetry Broken symmetry Diffraction efficiency Diffraction patterns Excitation Gaussian beams (optics) Incident light Laser beams Light diffraction Luminous intensity Nonlinear response Nonlinearity Phase modulation Physical Sciences Physics Physics, Applied Propagation Science & Technology |
| title | Nonlinearity-induced asymmetric diffraction in a hybrid A/B structure with two azo-containing materials |
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