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Observation of Stimulated Hawking Radiation in an Optical Analogue

Jonathan Drori, Yuval Rosenberg, David Bermudez, Yaron Silberberg, and Ulf Leonhardt
Phys. Rev. Lett. 122, 010404 – Published 9 January 2019
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Abstract

The theory of Hawking radiation can be tested in laboratory analogues of black holes. We use light pulses in nonlinear fiber optics to establish artificial event horizons. Each pulse generates a moving perturbation of the refractive index via the Kerr effect. Probe light perceives this as an event horizon when its group velocity, slowed down by the perturbation, matches the speed of the pulse. We have observed in our experiment that the probe stimulates Hawking radiation, which occurs in a regime of extreme nonlinear fiber optics where positive and negative frequencies mix.

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  • Received 28 August 2018
  • Revised 12 November 2018

DOI:https://doi.org/10.1103/PhysRevLett.122.010404

© 2019 American Physical Society

Physics Subject Headings (PhySH)

Gravitation, Cosmology & AstrophysicsAtomic, Molecular & OpticalGeneral Physics

Authors & Affiliations

Jonathan Drori1, Yuval Rosenberg1, David Bermudez2, Yaron Silberberg1, and Ulf Leonhardt1

  • 1Weizmann Institute of Science, Rehovot 7610001, Israel
  • 2Departamento de Física, Cinvestav, A.P. 14-740, 07000 Ciudad de México, Mexico

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Issue

Vol. 122, Iss. 1 — 11 January 2019

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