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(Image credit: NTT Basic Research Laboratories)
FIGURE 1. A THz electrical input pulse (with a pulse width of 1.2 picoseconds) was applied to graphene on a chip to generate and propagate a graphene plasmon wave packet, and its real-time waveform was measured with subpicosecond temporal resolution (hBN: hexagonal boron nitride).
Optics

Graphene plasmons can help achieve ultrahigh-speed terahertz signal processing

Nov. 1, 2024
While the terahertz region remains largely unexplored, graphene plasmons present a unique pathway to reach new frontiers within terahertz-based signal processing.

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(Image credit: ESA–C.Carreau)
Artist’s impression of LISA Pathfinder, ESA’s mission to test technology for future gravitational-wave observatories in space.
Lasers & Sources

Easier space qualification for laser diodes

Oct. 31, 2024
Space qualification is one of the most demanding qualifications within the industry. But there are ways to save time and money by using what space insiders call “heritage.”
(Image credit: Myungkoo Kang)
FIGURE 1. The team’s “self-healing” discovery was made while testing a chalcogenide glass made of germanium, antimony, and sulfur.
Optics

‘Self-healing’ chalcogenide glass?

Oct. 30, 2024
Researchers discover radiation-induced microscopic defects within chalcogenide glass are gradually annihilated because the glass tends to return to an energetically stable state...
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Podcasts

PODCAST: October 29, 2024 Light News

Oct. 29, 2024
Episode 23 of Following the Photons: A Photonics Podcast features our Light News photonics news roundup for October 29, 2024.

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(Photo credit: Jacqueline Ramseyer Orrell/SLAC National Laboratory)
SLAC received its first LCLS-II-HE cryomodule from Fermilab on Feb. 18, 2022.

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Photonics Hot List: November 1, 2024

Nov. 1, 2024
In this episode: an optical ground station will bridge industry and academia, 3D-printed photonic crystals allow light control, Zeiss names new CEO, and Meridian gets a funding...
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Photonics Hot List: October 25, 2024

Oct. 25, 2024
In this episode: IR light aids brain injury recovery, a team creates the world’s thinnest flat lens, and business pairs advance next-gen tech.
Optical Systems
Optics

Optical Systems

Oct. 18, 2024
Optimax is at the forefront of developing future applications in space, high-energy lasers, and semiconductors. Our extensive range of capabilities, from high-precision optics...

Leadership in Lasers and Photonics

Welcome to Laser Focus World's Leadership in Lasers and Photonics program.