Title :
A new way to encode and exchange information in free-space
Author :
Yadav, Bharat K. ; Mehrotra, R. ; Kandpal, H.C. ; Rizvi, S.A.M.
Author_Institution :
Nat. Phys. Labortory, Delhi
Abstract :
In this study we show that spectral anomalies shown by spatially coherent light on diffraction in the form of spectral shifting and spectral switching may be exploited for information encoding, information hiding and free-space communications.
Keywords :
data encapsulation; encoding; telecommunication switching; diffraction; free-space communications; information encoding; information exchange; information hiding; spatially coherent light; spectral anomalies; spectral shifting; spectral switching; Apertures; Communication switching; Computer science; Diffraction; Electronic mail; Encoding; Frequency; Optical propagation; Optical sensors; Spatial coherence; Airy pattern; free-space communication; spectral switching;
Conference_Titel :
Information, Communications & Signal Processing, 2007 6th International Conference on
Conference_Location :
Singapore
Print_ISBN :
978-1-4244-0982-2
Electronic_ISBN :
978-1-4244-0983-9
DOI :
10.1109/ICICS.2007.4449553