Strong asymmetry in the charge distribution supporting a single noninteracting spatial needle soliton in a paraelectric photorefractive is directly observed by means of electroholographic readout. Whereas in trapping conditions a quasi-circular wave is supported, the underlying double-dipolar structure can be made to support two distinct propagation modes. © 2001 Optical Society of America.
Anisotropic charge displacement supporting isolated photorefractive optical needles / DEL RE, Eugenio; Alessandro, Ciattoni; Aharon J., Agranat. - In: OPTICS LETTERS. - ISSN 0146-9592. - STAMPA. - 26:12(2001), pp. 908-910. [10.1364/ol.26.000908]
Anisotropic charge displacement supporting isolated photorefractive optical needles
DEL RE, EUGENIO;
2001
Abstract
Strong asymmetry in the charge distribution supporting a single noninteracting spatial needle soliton in a paraelectric photorefractive is directly observed by means of electroholographic readout. Whereas in trapping conditions a quasi-circular wave is supported, the underlying double-dipolar structure can be made to support two distinct propagation modes. © 2001 Optical Society of America.File allegati a questo prodotto
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