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Abstract:

We develop a free-carrier theory of the optical absorption of light carrying orbital angular momentum (twisted light) by bulk semiconductors. We obtain the optical transition matrix elements for Bessel-mode twisted light and use them to calculate the wave function of photo-excited electrons to first-order in the vector potential of the laser. The associated net electric currents of first and second-order on the field are obtained. It is shown that the magnetic field produced at the center of the beam for the ℓ=1 mode is of the order of a millitesla, and could therefore be detected experimentally using, for example, the technique of time-resolved Faraday rotation. Copyright © 2009 EPLA.

Registro:

Documento: Artículo
Título:Theory of the optical absorption of light carrying orbital angular momentum by semiconductors
Autor:Quinteiro, G.F.; Tamborenea, P.I.
Filiación:Departamento de Física J. J. Giambiagi, Universidad de Buenos Aires - Ciudad Universitaria, C1428EGA, Ciudad de Buenos Aires, Argentina
Año:2009
Volumen:85
Número:4
DOI: http://dx.doi.org/10.1209/0295-5075/85/47001
Título revista:EPL
Título revista abreviado:EPL
ISSN:02955075
Registro:https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_02955075_v85_n4_p_Quinteiro

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Citas:

---------- APA ----------
Quinteiro, G.F. & Tamborenea, P.I. (2009) . Theory of the optical absorption of light carrying orbital angular momentum by semiconductors. EPL, 85(4).
http://dx.doi.org/10.1209/0295-5075/85/47001
---------- CHICAGO ----------
Quinteiro, G.F., Tamborenea, P.I. "Theory of the optical absorption of light carrying orbital angular momentum by semiconductors" . EPL 85, no. 4 (2009).
http://dx.doi.org/10.1209/0295-5075/85/47001
---------- MLA ----------
Quinteiro, G.F., Tamborenea, P.I. "Theory of the optical absorption of light carrying orbital angular momentum by semiconductors" . EPL, vol. 85, no. 4, 2009.
http://dx.doi.org/10.1209/0295-5075/85/47001
---------- VANCOUVER ----------
Quinteiro, G.F., Tamborenea, P.I. Theory of the optical absorption of light carrying orbital angular momentum by semiconductors. EPL. 2009;85(4).
http://dx.doi.org/10.1209/0295-5075/85/47001