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Título

Optical communications using semiconductor laser with electro-optical feedback devices

AutorNguimdo, Romain Modeste
DirectorColet, Pere
Palabras claveLaser
Feedback
Chaos
Fecha de publicación7-oct-2008
EditorUniversidad de las Islas Baleares
ResumenSince the development of telecommunications there is an ever growing interest in finding more secure ways to send the information. A possible way to do this is using the Vernam cipher[1] which is based on digital information (strings of N binary data.) where any analogic signal is first digitalized. Subsequently the digitalized message is convoluted with a given binary pattern (the key composed also of N binary data) so that it is scrambled and an eavesdropper cannot recover the message. The key is supposed to be known by the sender of the message and the new binary string is safely sent in a public communication channel [2]. Usually, the sender transmits this key to the addressee who uses to recover the original message by deconvoluting the sent message. Thus, with this technique, an eavesdropper has 2N possible messages and it is more difficult to know which is the original one.
DescripciónTesis doctoral de la Universidad de las Islas Baleares.-- 61 pages.
URIhttp://hdl.handle.net/10261/18659
Aparece en las colecciones: (IFISC) Tesis
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