Nanotechnology to play significant role in quantum technology
15 February 2010Researchers at Harvard University have gone a step forward by creating diamond-based nanowire devices that can significantly enhance the existing quantum technology applications. The new developed nanostructured diamond devices offers stable and bright source of light at ambient and are suitable for computing, quantum communication, biochemical sensing and many other advance applications.
Researchers under the guidance of Marco Loncar, Assistant Professor, Harvard School of Engineering and Applied Science have first examined natural diamonds for a number of chemical properties and thereafter by manipulating the spin of electron, found that it can be of use for various applications.
The quantum states were measured using light and light emitting defects of diamond can significantly be improved by nanostructuring the diamond. Researchers further embedded the defects within a diamond nanowire and the research finding were published in the recent issue of “Nature Nanotechnologyâ€.
The advantage of using nanowire is that it provides an interface between to the color center and therefore it enhances the sensitivity of the device. The overall efficiency of the device is gets 10 times higher than the natural diamond devices because here in nanowire devices, the emitted photons get are much directed by the device.Â
Quantum network devices are unique and require many devices in parallel altogether and keeping the requirement of quantum networks, researchers used top-down nanofabrication methods to embed color centers into machine structures and thus created large arrays. Although this is the beginning of the work, researchers are hopeful to use synthetic diamonds for many more nanotechnology, quantum physics applications in the coming days.
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