According to foreign media reports, an Australian research team has created a nano-manipulation of light chips, this breakthrough invention paves the way for the next generation of optical technology, but also make it possible for humans to further understand the black hole. The team, led by Min Gu from RMIT University in Australia, designed an integrated nano-photonic chip that achieves unprecedented levels of angular momentum control over light. This groundbreaking achievement provides opportunities for using chip-level angular momentum for generating, transmitting, processing and recording information and can also help scientists better understand the evolution and nature of black holes.
A beam of light rotates and twists around its optical axis as it moves closer to a straight line. In recent decades, scientists have had a keen interest in measuring the angular momentum of such dynamically rotating light. One of the main concerns of the study is the possibility of using angular momentum to achieve large-scale expansion of optical fibers, also known as "multiplexing." However, the realization of chip-level angular momentum multiplexing remains a major challenge due to the absence of materials in nature that can experience distorted light. Professor Gu said that their team designed a series of fine nano-apertures and nano-grooves in the photonic chip, which for the first time used the chip to manipulate the distorted light.
The design does not require any other large volume of optical material to detect angular momentum signals. In his opinion, this discovery opens the door to truly compressed chip angular momentum applications including ultra-high-definition display, ultrahigh-capacity optical communications and ultra-secure optical encryption and can also be extended to characterize the angular momentum performance of gravitational waves, Helps scientists gain more information about black hole interactions and unravels the mysteries of the black hole in the universe.
Haoran Ren, a Ph.D. candidate at Swinburne University of Science and Technology, said it is important to understand the destination of the data transfer when sending an optical data signal to the photonics chip or the information will be lost. Specially designed nano-photonic chips can accurately guide the angular momentum data signals so that they are transmitted in different transmission mode nanocircles without losing any information.
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