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    Suppression of Backscattering Could Improve Optical Data Transmission

    Article obtained from Photonics RSS Feed.

    To control backscattering and reduce energy loss during optical data transmission, researchers from the University of Illinois at Urbana-Champaign exploited the interaction between light and sound waves. They were able to achieve robust light propagation in spite of scatterers and defects by dynamically suppressing backscattering using time-reversal symmetry breaking.

    The team sent lightwaves into a microresonator made from silica. As the light inside the resonator traveled along a circular path, it encountered defects in the silica repeatedly, which amplified the backscattering effect. The researchers used a second laser beam to engage the light-sound interaction in the backward direction only, blocking the possibility of light…

    Aug, 14 2019 |

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