Free-space optical polarization demultiplexing and multiplexing by means of conical refraction
Turpin Avilés, Alejandro (Universitat Autònoma de Barcelona. Departament de Física)
Loiko, Yurii (Universitat Autònoma de Barcelona. Departament de Física)
Kalkandjiev, Todor Kirilov (Universitat Autònoma de Barcelona. Departament de Física)
Mompart Penina, Jordi (Universitat Autònoma de Barcelona. Departament de Física)

Data:	2012
Resum:	Polarization demultiplexing and multiplexing by means of conical refraction is proposed to increase the channel capacity for free-space optical communication applications. The proposed technique is based on the forward-backward optical transform occurring when a light beam propagates consecutively along the optic axes of two identical biaxial crystals with opposite orientations of their conical refraction characteristic vectors. We present an experimental proof of usefulness of the conical refraction demultiplexing and multiplexing technique by increasing in one order of magnitude the channel capacity at optical frequencies in a propagation distance of 4 m.
Drets:	Tots els drets reservats.
Llengua:	Anglès
Document:	Article ; recerca ; Versió publicada
Matèria:	Òptica
Publicat a:	Optics letters, Vol. 37, No. 20 (15 October 2012) , p. 4197-4199, ISSN 0146-9592

DOI: 10.1364/OL.37.004197

3 p, 278.7 KB

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