Lasers & Sources

The Lasers & Sources channel features articles and other content that discuss the design and applications of all types of lasers, amplifiers, and other advanced sources like LEDs.


(Image credit: Óscar Helgason)
Lasers & Sources

Soliton microcombs get a big efficiency bump

Nov. 27, 2023
Researchers improve soliton microcomb efficiency by 10x—and open the door to high-performance lasers for a range of other technologies.
(Image credit:
Lasers & Sources

Dirac-vortex topological lasers meet silicon

Nov. 23, 2023
The Dirac-vortex state, a mathematical analog of Majorana fermions (a.k.a. angel particles) within superconducting electronic systems, offers a larger free spectral range than...
(Photo credit: Kapteyn-Murnane Group)
Lasers & Sources

High-harmonic generation light probe reveals spin dynamics within a Heusler compound

Nov. 22, 2023
Researchers tune an extreme ultraviolet high-harmonic generation (EUV HHG) light probe across the magnetic resonances of each element within a Heusler compound and track its electron...
(Image credit: Jenny Witt/MPSD)
Lasers & Sources

Narrowband tunable terahertz lasers may transform materials research and technology

Nov. 20, 2023
Coverage within the 1- to 20-THz spectral region will enable exploration of a new class of physical phenomena: controlling materials’ functionality via light.
(Courtesy of Grégory Moille, Joint Quantum Institute, NIST/University of Maryland)
FIGURE 1. Dissipative Kerr solitons are now being used to create chip-based optical frequency combs with high output power.
Lasers & Sources

What happens when you throw a weak laser into a frequency comb?

Oct. 20, 2023
The result? Experimentation showed another way to build effective optical frequency combs.
Ams Osram
Lasers & Sources

LED-on-foil technology meets automotive standards

Oct. 19, 2023
ALIYOS technology enables mini-LEDs to be applied onto a thin, flexible, transparent substrate.
Mrsi Mycronic
Lasers & Sources

High-force die bonder has utility in sintering for power semiconductors

Oct. 17, 2023
The MRSI-705HF high-force die bonder has a heated bond head that applies up to 500 N of force during the bonding process.
Pro Photonix
Lasers & Sources

LED line lights have use in food sorting applications

Oct. 15, 2023
Modular RGB-SWIR multispectral LED lights incorporate 445, 532, 630, 1150, and 1450 nm wavelengths in lengths up to 6 m.
(Courtesy of JJ Coello-Bravo)
FIGURE 1. Cooled lava becomes blocks, sometimes as large as houses.
Test & Measurement

Laser spectrometry method reveals the chemistry of volcanic magma

Oct. 11, 2023
Predicting and preparing for volcanic eruptions is highly desirable, and a new high-resolution analytical laser spectrometry approach could be just the way to do it.