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Cited by 431

The DOI matches its Crossref record; 90 of the 90 references it cites were found in a registry or an index.

Coherent perfect absorbers: linear control of light with light

Open access
Baranov, Denis G., Krasnok, Alex, Shegai, Timur, Alù, Andrea, Chong, Yidong·2017·Nature Reviews Materials

Abstract

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.

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Metadata

Authors
Baranov, D. G., Krasnok, A., Shegai, T., Alù, A., & Chong, Y.
Venue
Nature Reviews Materials
Published
2017-10-04
Volume
2
Issue
12
ISSN
2058-8437 (ISSN-L)
OpenAlex
W2746454554
Cited by
431
References
90
FWCI
1.60
Type
journal article
Language
en
Open access
green

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CoChat. (2026). Citation check: Coherent perfect absorbers: linear control of light with light. https://app.cochat.ai/papers/10.1038/natrevmats.2017.64
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Baranov, D. G., Krasnok, A., Shegai, T., Alù, A., & Chong, Y. (2017). Coherent perfect absorbers: linear control of light with light. Nature Reviews Materials. https://doi.org/10.1038/natrevmats.2017.64

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