As computing systems approach the physical and energy limits of traditional semiconductor technologies, a growing segment of research is exploring alternative architectures capable of sustaining future computational demand. Among those working across this emerging frontier is Dr. Ko-Cheng Fang, whose work spans cybersecurity systems, photonic computing, and advanced materials.
Dr. Ko-Cheng Fang’s early research focused on cloud storage systems and programmable password security frameworks. These technologies were later applied in environments aligned with the United States Department of Homeland Security, contributing to developments in secure data infrastructure and distributed computing systems. His work during this phase reflected a consistent emphasis on applied, real-world implementation.
In recent years, his focus has shifted toward photonic computing, an area gaining attention as a potential evolution beyond conventional electronic chip design. Unlike traditional semiconductor chips that rely on electron flow, photonic chips utilise light for data transmission.
This enables significantly higher data throughput, reduced energy consumption, and greater resistance to electromagnetic interference.

Dr. Ko-Cheng Fang has developed a photonic chip architecture supported by a global patent portfolio spanning 26 countries. In addition, his work includes the development of a 7-nanometer photomask, designed to enhance fabrication precision for photonic chip integration, an area where nanoscale manufacturing remains a complex technical challenge.
A key extension of this research lies in the development of photonic memory systems. Unlike conventional architectures, which require repeated conversion between electrical and optical signals, photonic memory is designed to operate within an optical framework, enabling direct data buffering and temporary storage in light-based systems. This approach has the potential to reduce latency associated with signal conversion and improve overall system efficiency.
When combined, photonic chips and photonic memory architectures represent a more integrated computing model. Based on current design projections, such systems could achieve performance levels significantly beyond those of existing electronic processors, with theoretical speed improvements that may extend into multiple orders of magnitude under optimised conditions.
Underlying these developments is Dr. Fang’s work on photonic quantum materials, including a material referred to as “X-Photon,” designed to emit light at extremely short wavelengths.
These materials are being explored for their potential role in enabling nanoscale photonic pathways, photonic transistors, and next-generation computational systems. While still in the early stages of broader validation, such materials may represent a foundational layer for future photonic architectures.
Beyond computing systems, Dr. Fang has also explored material applications in other domains, including laboratory-grown imperial green jadeite. This work reflects an extension of material science capabilities into controlled fabrication and product development.
Through LongServing Technology Co., Ltd., Dr. Fang continues to build a research-driven organisation positioned across multiple domains of innovation, spanning computing infrastructure, advanced materials, and applied system design.
As part of its broader growth strategy, the company is advancing its pre-IPO initiatives and exploring collaborations with internationally experienced financial institutions and advisory firms specialising in underwriting and capital markets strategies.
Further information regarding the company’s business direction is available through its official materials.
In parallel, LongServing has introduced a boutique product segment featuring laboratory-grown jadeite items, available through its “LongServing Trendy Boutique Area,” reflecting a commercial extension of its material research initiatives.
Dr. Ko-Cheng Fang
Founder, CEO & Chairman
LongServing Technology Co., Ltd
Website:https://longserving.com.tw/en/
Email: service@longserving.com.tw
Instagram: @ko_cheng_fang_david



