Fiber-optical analogue of the event horizon

Details Fiber-optical analogue of the event horizon Fiber-optical analogue of the event horizon

2007-11-29

arxiv.org/abs/0711.4796v2

Science319:1367-1370,2008

Astronomy and Astrophysics

Astrophysics

General Relativity and Quantum Cosmology

MEDIA EMBARGO. This paper is subject to the media embargo of Science

Scientific paper

10.1126/science.1153625

The physics at the event horizon resembles the behavior of waves in moving media. Horizons are formed where the local speed of the medium exceeds the wave velocity. We use ultrashort pulses in microstructured optical fibers to demonstrate the formation of an artificial event horizon in optics. We observed a classical optical effect, the blue-shifting of light at a white-hole horizon. We also show by theoretical calculations that such a system is capable of probing the quantum effects of horizons, in particular Hawking radiation.

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