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Coherent perfect ab...
Coherent perfect absorbers: Linear control of light with light
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- Baranov, Denis, 1990 (författare)
- Chalmers tekniska högskola,Chalmers University of Technology
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- Krasnok, A. E. (författare)
- The University of Texas at Austin, USA
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- Shegai, Timur, 1982 (författare)
- Chalmers tekniska högskola,Chalmers University of Technology
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- Alú, A. (författare)
- The University of Texas at Austin, USA
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- Chong, Yidong (författare)
- Nanyang Technological University
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(creator_code:org_t)
- 2017-10-04
- 2017
- Engelska.
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Ingår i: Nature Reviews Materials. - : Springer Science and Business Media LLC. - 2058-8437. ; 2
- Relaterad länk:
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http://dx.doi.org/10...
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http://arxiv.org/pdf...
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https://research.cha...
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https://doi.org/10.1...
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Abstract
Ämnesord
Stäng
- The absorption of electromagnetic energy by a material is a phenomenon that underlies many applications, including molecular sensing, photocurrent generation and photodetection. Typically, the incident energy is delivered to the system through a single channel, for example, by a plane wave incident on one side of an absorber. However, absorption can be made much more efficient by exploiting wave interference. A coherent perfect absorber is a system in which the complete absorption of electromagnetic radiation is achieved by controlling the interference of multiple incident waves. Here, we review recent advances in the design and applications of such devices. We present the theoretical principles underlying the phenomenon of coherent perfect absorption and give an overview of the photonic structures in which it can be realized, including planar and guided-mode structures, graphene-based systems, parity-symmetric and time-symmetric structures, 3D structures and quantum-mechanical systems. We then discuss possible applications of coherent perfect absorption in nanophotonics, and, finally, we survey the perspectives for the future of this field.
Ämnesord
- NATURVETENSKAP -- Fysik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences (hsv//eng)
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