Lipson Team Develops Microcomb Source On-Chip for Data Centers
Researchers from the Columbia University School of Engineering and Applied Sciences have developed a method to create a high-power frequency comb that avoids the need for large and expensive lasers and amplifiers. The team’s discovery enabled the researchers to brings the power of the frequency comb on-chip, yielding a compact, high-power, multiwavelength light source.
Read Article
USC Team Holds Key to Universal Routing of Light
In nonlinear, multimode optical environments, light is typically too chaotic to be routed in a predictive way. Researchers at the University of Southern California developed a way for light to self-direct itself along designated paths by applying the principles of thermodynamics.
Read Article
Light-Powered Gears Drive Chip-Size Motors
Downsizing the gears and micromotors used in devices could help reduce their footprints. But efforts to do so have been hampered by the challenges of constructing drive trains for the gears at scales smaller than 0.1 mm. Miniaturized gears could be used to develop mechanized tools for exploring microscopic phenomena like friction and surface interactions.
Read Article
Caltech Research Enables Coherent Spectral Broadening On-Chip
Broadband, coherent light sources are highly valued in R&D. But until now, they have been difficult to achieve without bulky, inefficient tabletop devices. A Caltech team led by professor Alireza Marandi developed an efficient solution to integrating a broad spectrum of frequencies on a microchip.
Read Article
|
|
|
Manufacturing Solutions for Hollow-Core Fibers
Tue, Dec 16, 2025 10:00 AM - 11:00 AM EST
This webinar explores the complete hollow-core fiber manufacturing chain and the Nextrom machinery that enables it. Beginning with preform manufacturing systems, it examines equipment designed to produce high-quality structures for hollow-core geometries. The webinar will then focus on the fiber draw tower, where precise control of furnace temperature, capstan tension, and internal gas pressure is essential. Finally, it will cover how proof testing equipment ensures the mechanical strength and long-term reliability of the hollow-core fiber. Along the way, the webinar will show how Nextrom's advanced process control and automation features improve yield, reduce defects, and enable consistent fiber quality. Presented by Nextrom.
|
|
|
Dynamic Beam Lasers for Free-Space Optical Propagation
Mon, Dec 22, 2025 11:00 AM - 12:00 PM EST
This webinar will explore how CBC and dynamic beam shaping are redefining high-power optical propagation. Attendees will learn how DBLs overcome turbulence, enhance beam stability, and enable precise, controllable optical transmission in real-world free-space environments. Dynamic beam lasers (DBLs), based on coherent beam combining (CBC), mark a new frontier in free-space optical propagation. Unlike traditional single-beam sources, DBLs can dynamically control beam shape, phase, and direction in real time. With power levels reaching up to 120-kW continuous wave, flexible beam steering, and adaptive beam shaping, DBLs deliver high-precision, high-reliability optical transmission across free-space environments.
|
|
|
Features
Optical Gratings, Metrology in Semiconductor Manufacturing, Optical Design and Assembly
Photonics Media is currently seeking technical feature articles on a variety of topics for publication in our magazine Photonics Spectra. Please submit an informal 100-word abstract to Jake Saltzman, Senior Editor, at Jake.Saltzman@Photonics.com, or use our online submission form www.photonics.com/submitfeature.aspx.
|
|
|
|