Multiple QPUs With Slow Interconnects Can Outperform Single QPU Monolithic Architecture (IonQ, Aalto Univ.)


A new technical paper titled "Advantage in distributed quantum computing with slow interconnects" was published by researchers at IonQ Inc. and Aalto University. Abstract "The main bottleneck for distributed quantum computing is the rate at which entanglement is produced between quantum processing units (QPUs). In this work, we prove that multiple QPUs connected through slow interconnects... » read more

Quantum Technologies: Innovation and Investment


Q2B25 Silicon Valley, being held this week in Santa Clara, California, is billed as "The Roadmap to Quantum Value," focusing on practical quantum technologies. This is the eighth consecutive year for the conference. Quantum computing is not typically an area that I cover, although I do have one other previous article, Leaps in Quantum Computing, that I wrote about two years ago that focused ... » read more

AI Techniques To Solve HW-SW Challenges For Useful Quantum Computing (Nvidia, U. of Oxford et al.)


A new technical paper "Artificial intelligence for quantum computing" was published by researchers at NVIDIA, University of Oxford, University of Toronto, Quantum Motion, University of Waterloo et al. Abstract "Artificial intelligence (AI) advancements over the past few years have had an unprecedented and revolutionary impact across everyday application areas. Its significance also extend... » read more

The Joy Of Quantum: Celebrating Wonder And Sharing The Magic


Every quantum scientist, educator, and enthusiast can recall that precise moment when quantum mechanics first captured their imagination. Perhaps it was the first time they truly grasped the concept of superposition—the realization that particles can exist in multiple states simultaneously until the very act of observation collapses them into definiteness. Maybe it was encountering Einstein's... » read more

Quantum Computing: How Advances May Reshape Our Understanding Of The World


After decades spent gestating in labs, quantum computing has finally reached an inflection point between theoretical promise and practical implementation. From discoveries in pharmaceutical and material sciences to boosting artificial intelligence (AI) and climate modeling, quantum computing is on the cusp of providing an entirely new way to solve highly complex problems — which could ultimat... » read more

Preparing For The Quantum Computing Age


Within a decade, quantum computers will be able to break virtually any encryption algorithm in use today. What used to be science fiction is on its way to becoming a commercial reality. Once that happens, quantum computers will be able to crack in minutes what was supposed to be unbreakable for more than a century using the most powerful computers available. Erik Wood, senior director of crypto... » read more

Materials Modeling Of Superconducting Qubits In Quantum Computers


While the concept of quantum computing has been discussed for more than 40 years, only recently have experiments indicated that a practical quantum computer may be possible. Recent developments in this area have captured headlines with dramatic claims—and equally dramatic rebuttals. Google’s Willow chip demonstrated error-corrected operations in late 2024, while D-Wave’s assertion of quan... » read more

Research Bits: August 19


Co-packaged optics Researchers from the Massachusetts Institute of Technology (MIT) and Bridgewater State University developed a new way to co-package photonic and electronic chips that uses existing automated pick-and-place assembly equipment in traditional fabs along with a less-expensive passive alignment process. “We’ve developed a packaging design [for integrating photonics with el... » read more

Double Intra-Cavity VCSELs: Properties And Design Challenges At Cryogenic Temperatures (Tampere Univ.)


A new technical paper titled "Thermal characteristics of a double intra-cavity contact VCSEL for cryogenic optical links" was published by researchers at Tampere University. Excerpt "Cryogenic computing systems, including quantum computers, cryo-CMOS and superconducting processors, necessitate efficient optical data links capable of operation at temperatures as low as 4 K. Vertical-cavity s... » read more

Navigating The Quantum Revolution In A Year Of Transformation


In 2025, which the United Nations has designated as the International Year of Quantum Science and Technology, business leaders face a transformative moment where quantum computing emerges from research labs into commercial applications, which early adopters already demonstrating quantum advantage in practical scenarios. This white paper explores how quantum technologies are revolutionizing key ... » read more

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