IIT-G develops novel free space optical communication system

Guwahati, Nov 23 : Researchers at Indian Institute of Technology Guwahati (IIT-G) have developed a novel free-space optical communication system using light beams that is free from the distorting effects of atmospheric turbulence.
The research team has demonstrated the distortion-free transmission of text messages and images over distance of one kilometre even in the presence of turbulence such as during a stormy weather.
The communication system can thus be used for high speed and secured communication between two individuals located either inside a building or outside, according to a study published Communications Physics, a journal belonging to Nature Publishing Group.
The researchers said that the system is also insulated from hacking and interloping, making it more secure than wired and other conventional wireless forms of communication.
The research team was led by Bosanta Ranjan Boruah, Department of Physics, IIT Guwahati and Santanu Konwar, presently an Assistant Professor at the Department of Physics, Abhayapuri College, Assam.
In free-space communication, data in the form of voice, text or image is transmitted using light wirelessly rather than through optical fibres and it represents the next generation of communications technology.