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In a study published in the journal Science, the development of optics may be the central part of the next generation of computers, designed to deal with the growing demand for information sharing in society.Like a vortex Laser pointer, a new type of light based communication tool can be carried out in a rapidly moving data along a circular motion.It may also be a relief to those who have a final term in the law of Moore's law. The idea of researchers will find new ways to keep computers smaller, faster, and cheaper.
"To transmit more data, while green laser pointer using less energy, we need to rethink these machines," said Dr. Feng Liang, he is assistant professor in the Department of electrical engineering at the University at Buffalo School of engineering and applied science, and is one of the study co lead author.Other co authors Dr. Natalia M. is Litchinitser, he is also a professor of electrical engineering at the University of buffalo.Also the author and: Buffalo University doctoral candidate Pui Miao, Zhang Zhifeng; Buffalo University electrical engineering assistant researcher sun Jingbo,; Buffalo University postdoctoral researcher Wiktor Walasik Dr.; and Italian Polytechnic University of Milan, a professor at the University of buffalo to graduate students Dr. Stefano Longhi.
For decades, researchers have been able to integrate enough components onto a silicon based computer chip. Their success explained why today's smartphones than in the eighties of the 20th century the world's most powerful computers have more computing power, which cost millions of dollars as a cabinet so big. Today, it is only the dollar.But researchers are experiencing a bottleneck in which existing technologies may no longer meet the social needs of the data. Forecasts vary, but many believe that this could happen over the next five years.Researchers are addressing this matter in many ways, including optical communication, which uses 5000mw green laser light to carry information. Examples of optical communications, from the old lighthouse to the modern optical fiber cable used to watch TV and surf the internet.
The burning laser pointers is a central part of today's optical communication system. Researchers have manipulated the laser in various ways, the most common is the different signal for the path, in order to carry more information. But these techniques, especially wavelength division multiplexing and time division multiplexing, have reached their limit.University of buffalo led research team proposed by another light technique known as orbital angular momentum driven laser technology, laser is placed in the center of the helical vortex model.
Usually computer today for the needs of the work is still too large, the University at Buffalo leadership team to reduce the vortex laser to compatible with computer chips. Due to the 3000mw laser pointer beam along the spiral mode, information is encoded into different vortex twists and turns, which can carry more than 10 times the linear movement of the information than the conventional laser.Eddy laser is a component of many devices, such as advanced transmitters and receivers, and ultimately it is necessary to continue to build more powerful computers and data centers.
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