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Proceedings Paper

Slow light in photonic crystals with loss or gain
Author(s): Andrey A. Sukhorukov; Thomas P. White
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Paper Abstract

We develop a perturbation theory for slow-light photonic-crystal waveguides engineered to suppress group-velocity dispersion, and predict that weak material loss (gain) is enhanced proportionally to the slow-down factor, whereas the attenuation (amplification) rate saturates for loss (gain) exceeding a certain threshold. This happens due to hybridization of propagating and evanescent modes which allows significant intensity enhancement observed in our numerical simulations for photonic crystal waveguides even under strong material losses.

Paper Details

Date Published: 11 February 2011
PDF: 7 pages
Proc. SPIE 7949, Advances in Slow and Fast Light IV, 794903 (11 February 2011); doi: 10.1117/12.880774
Show Author Affiliations
Andrey A. Sukhorukov, The Australian National Univ. (Australia)
Thomas P. White, The Australian National Univ. (Australia)

Published in SPIE Proceedings Vol. 7949:
Advances in Slow and Fast Light IV
Selim M. Shahriar; Philip R. Hemmer, Editor(s)

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