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Light Amplification by Stimulation Emission of Radiation is based upon the quantum theory. The light-transmitting rate is quite a gigahertz for a normal Laser. To mention the applications of the laser we must include the transporting ability of light. By this new invention by using normal sound waves the sending capability of the light waves become 100 times faster than before. So this technology has boosted up the sending capability better than the wireless systems.

The semiconductor lasers which are available in the market are producing laser light by using electron and hole transportation in a given band gap. Quantum Cascade Laser has several layers of semiconductors. The transportation of electrons and holes several times cause high-frequency light emission. The scientist is using aluminum foil in quantum cascade laser to turn its frequency 100 times more than the previous one. Wave transportation is one of the advanced technologies now a day. Ordinary lasers are also used to send messages too far away. To make it much faster and to use it in space and navy contact purposes, scientists are working on it. Science has improved a lot in the last decade and proceeding to achieve the ultimate goal.