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Light Speed: How Integrated Photonics Is Solving AI’s Interconnect Crisis

Light Speed: How Integrated Photonics Is Solving AI’s Interconnect Crisis

The bottleneck limiting the next generation of artificial intelligence isn't compute power—it's the wire connecting the chips. French startup Scintil Photonics thinks it has the answer.


News May 29, 2026 by Gordon Feller
For the Netherlands, Photonics Initiatives Secure Global Leadership—Part 2

For the Netherlands, Photonics Initiatives Secure Global Leadership—Part 2

Learn how The Netherlands is leveraging billion-euro investments and European partnerships to scale integrated photonics from research into a world-leading, industrially mature production ecosystem.


News Apr 10, 2026 by Gordon Feller
For the Netherlands, Photonics Initiatives Secure Global Leadership—Part 1

For the Netherlands, Photonics Initiatives Secure Global Leadership—Part 1

The Netherlands is securing global leadership in integrated photonics, a technology using light instead of electricity for faster, more energy-efficient data processing, essential for AI, healthcare, and mobility.


News Apr 02, 2026 by Gordon Feller
Photonics Investments—Part 3: Three Game-Changing Photonics Technologies

Photonics Investments—Part 3: Three Game-Changing Photonics Technologies

In the final part of this series, we zero in on three photonics technologies expected to be essential for demanding computing and communication systems of the future.


News Nov 21, 2025 by Gordon Feller
Targeting AI Workloads, Broadcom Reveals ‘World’s First 102.4 Tbps Switch’

Targeting AI Workloads, Broadcom Reveals ‘World’s First 102.4 Tbps Switch’

Announced today, the high-performance switch IC enables scale-up and scale-out for AI networks and supports co-packaged optics.


News Jun 03, 2025 by Jake Hertz
Beyond Copper and Optical, a New Interconnect Eyes Next Gen Data Centers

Beyond Copper and Optical, a New Interconnect Eyes Next Gen Data Centers

Both copper and optical interconnects face limitations as choices for next gen data centers. Learn how a third option promises to enable scaling up AI clusters in data centers for years to come.


Understand and Mitigate Temp Effects in InGaAs Avalanche Photodiodes

Understand and Mitigate Temp Effects in InGaAs Avalanche Photodiodes

InGaAs Avalanche Photodiodes (APDs) use avalanche multiplication to amplify weak optical signals. Learn how adding antimony (Sb) into the APD structure enhances temperature stability and reduces noise.


Our 2024 Favorites: Hand-Picked Highlights from the All About Circuits Team

Our 2024 Favorites: Hand-Picked Highlights from the All About Circuits Team

We publish hundreds of articles every year—too many even for our team to read them all. So, we decided to share our favorite 2024 news, technical articles, projects, and podcasts with each other and all of you. Enjoy!


News Dec 20, 2024 by Dale Wilson
UCLA Announces New One-Way Optical Material for Imaging Systems

UCLA Announces New One-Way Optical Material for Imaging Systems

The team turned to deep learning to help them develop a new form of unidirectional imaging system that operates with partially coherent light.


News Nov 08, 2024 by Duane Benson
Microchip and Acacia Team Up To Optimize Terabit-Scale Data Center Links

Microchip and Acacia Team Up To Optimize Terabit-Scale Data Center Links

The two have joined forces to craft a fourth generation, terabit-scale Cloud/Data Center Interconnect (DCI) and metro transport network solution based on Microchip’s PHY and Acacia’s module.


News Aug 22, 2024 by Mike Falter
Can Silicon Photonics Solve the Bandwidth Bottleneck in AI Data Centers?

Can Silicon Photonics Solve the Bandwidth Bottleneck in AI Data Centers?

Lightmatter aims to use light to solve two major electrical challenges in AI computing with active optical interposers designed to resolve those pesky bandwidth bottlenecks and the "world’s first" photonic computing platform for more power-efficient matrix calculations.


Flash Memory Summit Presenters Pitch Solutions to Hiking Memory Demands

Flash Memory Summit Presenters Pitch Solutions to Hiking Memory Demands

Here are three announcements from the 2023 Flash Memory Summit that reflect some of the biggest trends in memory and storage technology.


News Aug 18, 2023 by Jake Hertz
Photonic Chip Design Rethink Could Cut Data Center Energy Use

Photonic Chip Design Rethink Could Cut Data Center Energy Use

Leveraging novel photonic circuit designs, researchers hope to lower electricity consumption in data centers.


News Jun 02, 2023 by Kristijan Nelkovski
From Apple to OpenLight: Silicon Photonics and Integrated Lasers with Dr. Tom Mader

From Apple to OpenLight: Silicon Photonics and Integrated Lasers with Dr. Tom Mader

Dr. Tom Mader is the COO of OpenLight where they are developing an open-foundry ecosystem for silicon photonics with integrated lasers to enable advances in datacom, LiDAR, high-performance computing, AI, and even optical computing.


From a New Chip to Broader Ranges—The Push for Terahertz Technology Continues

From a New Chip to Broader Ranges—The Push for Terahertz Technology Continues

Since terahertz technology is being looked at as the next step toward 6G, companies like Cannon, universities such as Harvard, and agencies like NASA aim to keep this technology advancing.


News Mar 18, 2023 by Kristijan Nelkovski
A Primer on Digital Pulse Amplitude Modulation

A Primer on Digital Pulse Amplitude Modulation

An encoding technique used for digital communication, pulse amplitude modulation (PAM) converts a discrete-time signal into a variable-amplitude continuous-time signal that is suitable for high-speed wired communication systems.


Microsoft Acquires Lumenisity, Maker of Hollow Fiber Optic Cables

Microsoft Acquires Lumenisity, Maker of Hollow Fiber Optic Cables

To achieve the peak velocity for next-gen communications, Microsoft has acquired Lumenisity, a pioneer in high-speed, low-loss optical fibers.


News Dec 15, 2022 by Aaron Carman
From New CAN Protocols to LED Arrays, LED Innovations Shine Bright

From New CAN Protocols to LED Arrays, LED Innovations Shine Bright

LEDs have come a long way since their inception in the 1960s at General Electric. Here is a roundup of three innovations in lighting technology.


News Dec 03, 2022 by Ikimi .O
Qualcomm and Vodafone Team for Next-gen 5G O-RAN Effort

Qualcomm and Vodafone Team for Next-gen 5G O-RAN Effort

The two companies will continue to collaborate on efforts to expand 5G Open Radio Access Network (RAN) across Europe.


News Nov 04, 2022 by Chantelle Dubois
IMEC Aims to Strengthen Next-gen Optical Networks With TIA Chip

IMEC Aims to Strengthen Next-gen Optical Networks With TIA Chip

With their transimpedance amplifier (TIA) chip, IMEC researchers offer a key technology for ensuring high reliability in 100G passive optical networks (PONs).


News Sep 29, 2022 by Jake Hertz