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Title: Coherent perfect absorption and reflection in slow-light waveguides
Authors: Gutman, Nadav.
Sukhorukov, Andrey A.
Chong, Y. D.
Sterke, C. Martijn de.
Keywords: DRNTU::Science::Physics::Optics and light
Issue Date: 2013
Source: Gutman, N., Sukhorukov, A. A., Chong, Y. D., & Sterke, C. M. d. (2013). Coherent perfect absorption and reflection in slow-light waveguides. Optics letters, 38(23), 4970- 4973.
Series/Report no.: Optics letters
Abstract: We identify a family of unusual slow-light modes occurring in lossy multimode grating waveguides, for which either the forward or backward mode components, or both, are degenerate. In the fully degenerate case, the response can be modulated between coherent perfect absorption (zero reflection) and perfect reflection by varying the wave amplitudes in a uniform input waveguide. The perfectly absorbed wave has anomalously short absorption length, scaling as the inverse one-third power of the absorptivity.
DOI: 10.1364/OL.38.004970
Rights: © 2013 Optical Society of America. This paper was published in Optics Letters and is made available as an electronic reprint (preprint) with permission of Optical Society of America. The paper can be found at the following official DOI: []. One print or electronic copy may be made for personal use only. Systematic or multiple reproduction, distribution to multiple locations via electronic or other means, duplication of any material in this paper for a fee or for commercial purposes, or modification of the content of the paper is prohibited and is subject to penalties under law.
Fulltext Permission: open
Fulltext Availability: With Fulltext
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