Affiliation:
1. Department of Physics of Complex Systems, Weizmann Institute of Science, Rehovot 7610001, Israel
Abstract
Hawking radiation is unlikely to be measured from a real black hole, but can be tested in laboratory analogues. It was predicted as a consequence of quantum mechanics and general relativity, but turned out to be more universal. A refractive index perturbation produces an optical analogue of the black-hole horizon and Hawking radiation that is made of light. We discuss the central and recent experiments of the optical analogue, using hands-on physics. We stress the roles of classical fields, negative frequencies, ‘regular optics’ and dispersion. Opportunities and challenges ahead are briefly mentioned.
This article is part of a discussion meeting issue ‘The next generation of analogue gravity experiments’.
Funder
Israel Science Foundation
H2020 European Research Council
Weizmann Institute of Science
Subject
General Physics and Astronomy,General Engineering,General Mathematics
Cited by
18 articles.
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