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Using numerical simulations we show how to realize an optical black hole laser, i.e. an amplifier formed by travelling refractive index perturbations arranged so as to trap light between a white and a black hole horizons. The simulations highlight the main features of these lasers: the growth inside the cavity of positive and negative frequency modes accompanied by a weaker emission of modes that occurs in periodic bursts corresponding to the cavity round trips of the trapped modes. We then highlight a new regime in which the trapped mode spectra broaden until the zero-frequency points on the dispersion curve are reached. Amplification at the horizon is highest for zero-frequencies, therefore leading to a strong modification of the structure of the trapped light. For sufficiently long propagation times, lasing ensues only at the zero-frequency modes.

Pertenece a



Faccio, Daniele -  Arane, Tal -  Lamperti, Marco -  Leonhardt, Ulf - 

Id.: 70990829

Versión: 1.0

Estado: Final

Tipo de recurso: Articles  -  PeerReviewed  - 

Tipo de Interactividad: Expositivo

Nivel de Interactividad: muy bajo

Audiencia: Estudiante  -  Profesor  -  Autor  - 

Estructura: Atomic

Coste: no

Copyright: sí

Requerimientos técnicos:  Browser: Any - 

Relación: [References] http://eprints.gla.ac.uk/157180/
[References] 10.1088/0264-9381/29/22/224009

Fecha de contribución: 10-mar-2018


* Faccio, D. , Arane, T., Lamperti, M. and Leonhardt, U. (2012) Optical black hole lasers. Classical and Quantum Gravity , 29(22), 224009. (doi:10.1088/0264-9381/29/22/224009 )

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