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Hsu CW, Goetschy A, Bromberg Y, et al. Broadband Coherent Enhancement of Transmission and Absorption in Disordered Media. Phys Rev Lett. 2015;115(22):223901doi: 10.1103/PhysRevLett.115.223901.
Hsu, C. W., Goetschy, A., Bromberg, Y., Stone, A. D., & Cao, H. (2015). Broadband Coherent Enhancement of Transmission and Absorption in Disordered Media. Physical review letters, 115(22), 223901. https://doi.org/10.1103/PhysRevLett.115.223901
Hsu, Chia Wei, et al. "Broadband Coherent Enhancement of Transmission and Absorption in Disordered Media." Physical review letters vol. 115,22 (2015): 223901. doi: https://doi.org/10.1103/PhysRevLett.115.223901
Hsu CW, Goetschy A, Bromberg Y, Stone AD, Cao H. Broadband Coherent Enhancement of Transmission and Absorption in Disordered Media. Phys Rev Lett. 2015 Nov 27;115(22):223901. doi: 10.1103/PhysRevLett.115.223901. Epub 2015 Nov 25. PMID: 26650306.
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Phys Rev Lett. 2015 Nov 27;115(22):223901. doi: 10.1103/PhysRevLett.115.223901. Epub 2015 Nov 25.

Broadband Coherent Enhancement of Transmission and Absorption in Disordered Media.

Physical review letters

Chia Wei Hsu, Arthur Goetschy, Yaron Bromberg, A Douglas Stone, Hui Cao

Affiliations

  1. Department of Applied Physics, Yale University, New Haven, Connecticut 06520, USA.
  2. ESPCI ParisTech, PSL Research University, CNRS, Institut Langevin, 1 rue Jussieu, F-75005 Paris, France.

PMID: 26650306 DOI: 10.1103/PhysRevLett.115.223901

Abstract

Spatial modulation of the incident wave front has become a powerful method for controlling the diffusive transport of light in disordered media; however, such interference-based control is intrinsically sensitive to frequency detuning. Here, we show analytically and numerically that certain wave fronts can exhibit strongly enhanced total transmission or absorption across bandwidths that are orders of magnitude broader than the spectral correlation width of the speckles. Such broadband enhancement is possible due to long-range correlations in coherent diffusion, which cause the spectral degrees of freedom to scale as the square root of the bandwidth rather than the bandwidth itself.

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