As artificial intelligence, big data, and real-time analytics continue to stretch the limits of modern hardware, a growing number of technologists believe that conventional electronic processors are nearing a performance ceiling. Among the most outspoken voices challenging this status quo is Dr. Ko-Cheng Fang, the driving force behind LongServing Technology.
Dr. Fang argues that the future of computing will not be defined by smaller transistors alone, but by a fundamental shift in how information is processed.
Why Electronic CPUs Are Reaching Their Limits
Traditional CPUs rely on electrons flowing through copper interconnects to perform calculations and move data. While decades of innovation have improved efficiency, the underlying physics remains unchanged. Electromagnetic interference, heat generation, and resistance increasingly restrict performance gains as systems scale.
According to Dr. Fang, many current AI benchmarks and performance models fail to account for these physical constraints. “Most analyses are still framed within electronic assumptions,” he suggests, “which leads to a serious underestimation of what alternative computing methods can achieve.”
Photons Instead of Electrons: A Fundamental Shift
LongServing Technology’s approach centers on photonic computation, where photons—light waves rather than charged particles—carry and process information. Unlike electrons, photons are not slowed by electromagnetic interference and can propagate at extremely high speeds without resistance.
This wave-based behavior, Dr. Fang explains, enables entirely new performance thresholds. He claims that photonic CPUs could deliver speed improvements of 1,000× or more compared to conventional electronic processors, particularly in workloads that demand massive parallelism.
Breaking Away from Conventional Silicon Photonics
Photonic technology itself is not new, but Dr. Fang draws a clear distinction between LongServing’s work and traditional silicon photonics. Most existing systems operate at wavelengths between 1310 and 1500 nanometers, a range designed primarily for optical communication rather than computation.
LongServing’s proprietary X-photon material, capable of emitting 2 nm wavelengths, is designed to enable nanoscale photonic pathways and photonic transistors for next-generation photonic computing chips. This is not merely a breakthrough—it is a Nobel Prize-level invention of profound scientific significance.
“Silicon photonics was never optimized for true computing,” Dr. Fang explains. “Our architecture is designed from the ground up to support computation, not just data transfer.”
Implications for AI, Data, and Energy Efficiency
The potential impact of photonic CPUs extends far beyond raw speed. AI training, inference engines, scientific modeling, and large-scale simulations all depend on rapid data movement—a task where electronic systems consume enormous energy and generate significant heat.
Dr. Fang believes photonic processors could dramatically improve energy efficiency, enabling faster systems with lower thermal output. This could reduce reliance on power-hungry data centers and open new possibilities for edge computing and real-time AI applications.
A Long-Term Vision for Computing
While photonic CPUs are still emerging, Dr. Ko-Cheng Fang positions LongServing Technology as a company focused on long-term transformation rather than short-term iteration. His message is clear: future breakthroughs will come from rethinking the physics of computation, not just refining existing designs.
As LongServing Technology’s photonic chip prototype approaches its debut, the technology is gradually moving beyond theoretical concepts and entering the stage of real-world engineering development. As a pioneer in photonic computing, Dr. Ko-Cheng Fang’s research direction is already influencing how engineers and researchers think about the next generation of computing power.
If successfully commercialized at scale, photonic computing could help drive the next major computing revolution, accelerating future technological development at near light-speed.
Dr. Ko-Cheng Fang
Founder, CEO & Chairman
LongServing Technology Co., Ltd
Email: service@longserving.com.tw
Website: https://longserving.com.tw/en/
Instagram: @ko_cheng_fang_david
