Ashok Vudayagiri

A practical scheme for measurement-device-independent polarization shift keying using two state polarization encoding is presented. Most of the previous work on optical free space laser communications through the atmosphere was concentrated on intensity modulated systems. However, polarization modulated systems may be more appropriate for such communication links, because the polarization seems to be the most stable characteristic of a laser beam while propagating through the atmosphere. Thus, a detailed comparison between intensity and polarization modulated systems is of big interest. The system used the big and powerful LabVIEW handling data and showing function to carry out a real-time processing, analysis and display. When two computers run LabVIEW at the same time, real-time date send and receive between computers by the interface of Virtual instrument, which can realize multi-machine wireless data transmission and reading, in order to complete remote data.