news.volyx.in

NIST scientists create 'any wavelength' lasers (nist.gov)

421 points by rbanffy · 134 days ago · 193 comments on HN

Article summary

NIST scientists have developed a new method for creating integrated photonics chips that can generate a wide range of colors, or wavelengths, of light. This technology has the potential to miniaturize bulky and expensive laser systems, which could have a significant impact on emerging technologies such as quantum computers and optical atomic clocks. The chips use specialized materials, including lithium niobate and tantalum pentoxide, to manipulate light and can be used to create a variety of colors. This breakthrough could lead to more efficient and portable quantum technologies.

Main themes

  • Integrated photonics
  • Laser technology
  • Quantum computing
  • Optical atomic clocks
  • Materials science
  • Miniaturization

What commenters say

  • The development of integrated photonics chips with multiple wavelengths has the potential to revolutionize various fields, including quantum computing and optical communication.
  • The ability to generate any wavelength of light could solve the problem of limited wavelength options in current laser technology.
  • Some commenters are skeptical about the significance of this breakthrough, arguing that it may not be as impactful as claimed, and that the cost and efficiency of the technology are still unknown.
  • The technology could have significant implications for fields beyond quantum computing, such as molecular chemistry and laser cutting and welding.
  • There is a debate about whether the device can produce a true 'any wavelength' or if it is limited to discrete wavelengths.
  • Some commenters believe that the technology could be used to improve fiber optic communication by allowing for more efficient use of available bandwidth.
  • The development of this technology could lead to new applications in fields such as artificial intelligence and virtual reality.
  • There is a discussion about the relationship between wavelengths and color perception, with some arguing that certain colors, such as magenta, cannot be produced by a single wavelength.