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Spatiotemporal Coherent Control of Lattice Vibrational Waves

Feurer, T., Vaughan, Joshua C., Nelson, Keith A.·2003·Science

Abstract

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.

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Metadata

Authors
Feurer, T., Vaughan, J. C., & Nelson, K. A.
Venue
Science
Published
2003-01-17
Volume
299
Issue
5605
Pages
374-377
ISSN
  • 0036-8075 (ISSN-L)
  • 1095-9203
OpenAlex
W2038014924
Cited by
302
References
0
FWCI
23.80
Type
journal article
Language
en
Open access
closed

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CoChat. (2026). Citation check: Spatiotemporal Coherent Control of Lattice Vibrational Waves. https://app.cochat.ai/papers/10.1126/science.1078726
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Feurer, T., Vaughan, J. C., & Nelson, K. A. (2003). Spatiotemporal Coherent Control of Lattice Vibrational Waves. Science. https://doi.org/10.1126/science.1078726

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