Prediction of coherent optical radiation from shock waves in polarizable crystals

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We predict that coherent electromagnetic radiation in the 1-100 THz frequency range can be generated in crystalline materials when subject to a shock wave or soliton-like propagating excitation. To our knowledge, this phenomenon represents a fundamentally new form of coherent optical radiation source that is distinct from lasers and free-electron lasers. General analytical theory and molecular dynamics simulations demonstrate coherence lengths on the order of mm (around 20 THz) and potentially greater. The emission frequencies are determined by the shock speed and the lattice constants of the crystal and can potentially be used to determine atomic-scale properties of the shocked ... continued below

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6 p. (0.2 MB)

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Reed, E J; Soljacic, M; Gee, R & Joannopoulos, J D August 29, 2005.

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We predict that coherent electromagnetic radiation in the 1-100 THz frequency range can be generated in crystalline materials when subject to a shock wave or soliton-like propagating excitation. To our knowledge, this phenomenon represents a fundamentally new form of coherent optical radiation source that is distinct from lasers and free-electron lasers. General analytical theory and molecular dynamics simulations demonstrate coherence lengths on the order of mm (around 20 THz) and potentially greater. The emission frequencies are determined by the shock speed and the lattice constants of the crystal and can potentially be used to determine atomic-scale properties of the shocked material.

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6 p. (0.2 MB)

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PDF-file: 6 pages; size: 0.2 Mbytes

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  • Presented at: Shock Compression of Condensed Matter 2005, Baltimore, MD, United States, Aug 01 - Aug 05, 2005

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  • Report No.: UCRL-PROC-214909
  • Grant Number: W-7405-ENG-48
  • Office of Scientific & Technical Information Report Number: 877864
  • Archival Resource Key: ark:/67531/metadc874308

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  • August 29, 2005

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  • Sept. 21, 2016, 2:29 a.m.

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  • April 17, 2017, 12:13 p.m.

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Reed, E J; Soljacic, M; Gee, R & Joannopoulos, J D. Prediction of coherent optical radiation from shock waves in polarizable crystals, article, August 29, 2005; Livermore, California. (digital.library.unt.edu/ark:/67531/metadc874308/: accessed December 12, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.