Partner story | University of Twente at Semicon09
University of Twente: Pioneering optical coupling Advancements in Semicon 09
The University of Twente (UT), renowned for its expertise in science and engineering, has joined the NXTGEN Hightech Semicon 09 project with a unique, cross-disciplinary team.
Three specialized research groups from UT—the Integrated Optical Systems (IOS) group, the Precision Engineering (PE) group, and the Laser Processing (LP) group—are combining their expertise to advance optical coupling technology in integrated photonic systems.
Project background:
NXTGEN Inlite (Inspiring Novel Light-Integrated Technology & Equipment)
In this project, efforts are focused on developing production equipment for integrated photonics to enable mass production of these components and devices. The project concentrates on standardizing both front-end and back-end production processes for manufacturing wafers with Photonic Integrated Circuits. The goal is to develop machines for various product families that utilize standard substrates such as SiN and InP. These developments are crucial for assembling the components, integrating various coupling methods. Additionally, the project seeks to advance new process developments in techniques such as PLD and CVD.
Role in Semicon09
By optimizing coupling techniques, UT aims to address challenges in the photonics industry by making light coupling faster, more efficient, and cost-effective. Through this collaboration, UT contributes foundational research and applied solutions in photonic chip integration, partnering with industry leaders to elevate production processes.
Completed activities
The University of Twente has made notable progress in advancing optical coupling and photonic chip integration within Semicon 09.
Key activities completed so far include:
Identification of waveguide end facet roughness issues, with corresponding etching improvements underway.
Development of an innovative micro-optics design process.
Demonstration of initial micro 3D printing and aluminum reflection coating capabilities.
Conceptual designs and laboratory proof-of-concept trials for an alignment system to enhance coupling precision.
Future activities
UT has outlined a roadmap of upcoming activities aimed at further refining optical coupling technology and enhancing photonic chip integration:
Continue performance testing and process improvement for micro-optics designs.
Advance etching techniques for reducing waveguide end facet roughness.
Scale up the 3D micro-printing and aluminum coating processes for broader applications.
Implement alignment system designs and conduct real-world trials to validate the laboratory proofs-of-concept.
University of Twente's expertise
The University of Twente’s interdisciplinary approach provides unique added value to Semicon 09. The IOS group contributes pioneering work in optical materials and waveguide platforms, enabling the development of advanced 3D photonic architectures suitable for a range of applications. The PE group, known for its model-based methods for high-precision system design, offers expertise in improving alignment accuracy, crucial to scaling up photonic chip production. The LP group brings its insights into laser-material interaction, facilitating laser-assisted processes that integrate with cleanroom technologies to optimize production in ambient environments.
Through these combined areas of expertise, the University of Twente is able to leverage precision engineering and cleanroom and laser-based processes. This alignment of skillsets from multiple engineering fields allows UT to address complex challenges in optical coupling with a more flexible and innovative toolkit.
Conclusion
By integrating the University of Twente’s technical expertise in photonics, precision engineering, and laser processing, Semicon 09 is better equipped to tackle industry challenges in optical coupling. UT’s multidisciplinary approach not only provides critical insights into the future of photonic chip integration but also reinforces collaborative innovation within the NXTGEN Hightech program. With UT’s contributions, the project continues to advance toward scalable, efficient solutions that will define the future of photonics manufacturing.