Spatiotemporal Coherent Control of Lattice Vibrational Waves
We achieved automated optical control over coherent lattice responses that were both time- and position-dependent across macroscopic length scales. In our experiments, spatiotemporal femtosecond pulse shaping was used to generate excitation light fields that were directed toward distinct regions of...
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| Veröffentlicht in: | Science (American Association for the Advancement of Science) 2003-01, Vol.299 (5605), p.374-377 |
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| creator | Feurer, T. Vaughan, Joshua C. Nelson, Keith A. |
| description | We achieved automated optical control over coherent lattice responses that were both time- and position-dependent across macroscopic length scales. In our experiments, spatiotemporal femtosecond pulse shaping was used to generate excitation light fields that were directed toward distinct regions of crystalline samples, producing terahertz-frequency lattice vibrational waves that emanated outward from their multiple origins at lightlike speeds. Interferences among the waves resulted in fully specified far-field responses, including tilted, focusing, or amplified wavefronts. Generation and coherent amplification of terahertz traveling waves and terahertz phased-array generation also were demonstrated. |
| doi_str_mv | 10.1126/science.1078726 |
| format | Article |
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In our experiments, spatiotemporal femtosecond pulse shaping was used to generate excitation light fields that were directed toward distinct regions of crystalline samples, producing terahertz-frequency lattice vibrational waves that emanated outward from their multiple origins at lightlike speeds. Interferences among the waves resulted in fully specified far-field responses, including tilted, focusing, or amplified wavefronts. Generation and coherent amplification of terahertz traveling waves and terahertz phased-array generation also were demonstrated.</description><identifier>ISSN: 0036-8075</identifier><identifier>EISSN: 1095-9203</identifier><identifier>DOI: 10.1126/science.1078726</identifier><identifier>PMID: 12532012</identifier><identifier>CODEN: SCIEAS</identifier><language>eng</language><publisher>Washington, DC: American Association for the Advancement of Science</publisher><subject>Coherence (Optics) ; Condensed matter: structure, mechanical and thermal properties ; Crystal lattices ; Crystals ; Electric pulses ; Exact sciences and technology ; Feedback (Response) ; Fiber optics ; Fundamental areas of phenomenology (including applications) ; Group velocity ; Lattice dynamics ; Lattice vibrations ; Magnetic fields ; Nonlinear optics ; Optics ; Physics ; Polaritons ; Speed of light ; Statistical mechanics of lattice vibrations and displacive phase transitions ; Ultrafast processes; optical pulse generation and pulse compression ; Vibration ; Vibration (Physics) ; Wave excitation ; Waveforms</subject><ispartof>Science (American Association for the Advancement of Science), 2003-01, Vol.299 (5605), p.374-377</ispartof><rights>Copyright 2003 American Association for the Advancement of Science</rights><rights>2003 INIST-CNRS</rights><rights>COPYRIGHT 2003 American Association for the Advancement of Science</rights><rights>COPYRIGHT 2003 American Association for the Advancement of Science</rights><rights>Copyright American Association for the Advancement of Science Jan 17, 2003</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c805t-b882f841cab7586a378559fc257a276edd43ffaaa80a26ce4d86c48c2a2074a83</citedby><cites>FETCH-LOGICAL-c805t-b882f841cab7586a378559fc257a276edd43ffaaa80a26ce4d86c48c2a2074a83</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://www.jstor.org/stable/pdf/3833383$$EPDF$$P50$$Gjstor$$H</linktopdf><linktohtml>$$Uhttps://www.jstor.org/stable/3833383$$EHTML$$P50$$Gjstor$$H</linktohtml><link.rule.ids>314,776,780,799,2870,2871,27903,27904,57996,58229</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=14484910$$DView record in Pascal Francis$$Hfree_for_read</backlink><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/12532012$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Feurer, T.</creatorcontrib><creatorcontrib>Vaughan, Joshua C.</creatorcontrib><creatorcontrib>Nelson, Keith A.</creatorcontrib><title>Spatiotemporal Coherent Control of Lattice Vibrational Waves</title><title>Science (American Association for the Advancement of Science)</title><addtitle>Science</addtitle><description>We achieved automated optical control over coherent lattice responses that were both time- and position-dependent across macroscopic length scales. In our experiments, spatiotemporal femtosecond pulse shaping was used to generate excitation light fields that were directed toward distinct regions of crystalline samples, producing terahertz-frequency lattice vibrational waves that emanated outward from their multiple origins at lightlike speeds. Interferences among the waves resulted in fully specified far-field responses, including tilted, focusing, or amplified wavefronts. Generation and coherent amplification of terahertz traveling waves and terahertz phased-array generation also were demonstrated.</description><subject>Coherence (Optics)</subject><subject>Condensed matter: structure, mechanical and thermal properties</subject><subject>Crystal lattices</subject><subject>Crystals</subject><subject>Electric pulses</subject><subject>Exact sciences and technology</subject><subject>Feedback (Response)</subject><subject>Fiber optics</subject><subject>Fundamental areas of phenomenology (including applications)</subject><subject>Group velocity</subject><subject>Lattice dynamics</subject><subject>Lattice vibrations</subject><subject>Magnetic fields</subject><subject>Nonlinear optics</subject><subject>Optics</subject><subject>Physics</subject><subject>Polaritons</subject><subject>Speed of light</subject><subject>Statistical mechanics of lattice vibrations and displacive phase transitions</subject><subject>Ultrafast processes; optical pulse generation and pulse 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In our experiments, spatiotemporal femtosecond pulse shaping was used to generate excitation light fields that were directed toward distinct regions of crystalline samples, producing terahertz-frequency lattice vibrational waves that emanated outward from their multiple origins at lightlike speeds. Interferences among the waves resulted in fully specified far-field responses, including tilted, focusing, or amplified wavefronts. Generation and coherent amplification of terahertz traveling waves and terahertz phased-array generation also were demonstrated.</abstract><cop>Washington, DC</cop><pub>American Association for the Advancement of Science</pub><pmid>12532012</pmid><doi>10.1126/science.1078726</doi><tpages>4</tpages></addata></record> |
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| ispartof | Science (American Association for the Advancement of Science), 2003-01, Vol.299 (5605), p.374-377 |
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| source | American Association for the Advancement of Science; Jstor Complete Legacy |
| subjects | Coherence (Optics) Condensed matter: structure, mechanical and thermal properties Crystal lattices Crystals Electric pulses Exact sciences and technology Feedback (Response) Fiber optics Fundamental areas of phenomenology (including applications) Group velocity Lattice dynamics Lattice vibrations Magnetic fields Nonlinear optics Optics Physics Polaritons Speed of light Statistical mechanics of lattice vibrations and displacive phase transitions Ultrafast processes optical pulse generation and pulse compression Vibration Vibration (Physics) Wave excitation Waveforms |
| title | Spatiotemporal Coherent Control of Lattice Vibrational Waves |
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