Optical communication has also been a new breakthrough: the use of holographic projection technology to improve optical transmission performance
Nanophotonic circuits, microchip filters, and turn lights will be slightly random with the changes in which the light transmission performance decreases. Researchers have found a way to compensate for these changes, which may result in energy savings for applications such as data centers and computer equipment. Researchers from the University of Utrecht (Debey), the University of München (MESA + Nanotechnology) and the Institute for Research and Technology in Thales, France, publish their results in the latest optical journal Optical Letters A period.
Fiber-optic communications have become common around the world: basically every high-speed Internet connection is provided by fiber optics. Today, an area of ​​active development is the addition of optical communications applications on a single chip to reduce power consumption in computers and data centers. A promising implementation of optical communications on such a chip is the use of photonic crystals coupled to a nano-oscillator that can tune the beam to the same resonant frequency for transmission.
These frequencies depend on the shape and structure of each resonator. Even today, however, is the best machined resonator device, a precision instrument in which the hole is ten times the diameter of the atom, but changes in resonant frequency due to small random variations can also affect light transmission performance.
Digital holographic projection technology
Researchers have proposed and experimentally demonstrated optical methods for controlling photonic crystal nanocrystals. They use digital holography to concentrate a few laser points in a certain position. The laser locally heats the nanophoton chip and counteracts the random variation therein.
In addition, this method allows researchers to use programmable photonic circuit switches to achieve resonant access. The findings, published in the open journals Optical Express magazine, will help keep the low-power, high-performance communications and computing devices from evolving.
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