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Germany’s SmarAct Partners with Akhetonics to Revolutionize PIC Testing Accuracy for Optical Computing with Nanopositioning Systems

Physics World Germany
Overview
Germany’s SmarAct, specializing in high-precision positioning, automation, and measurement systems, is developing technology to translate optical computing’s theoretical potential into scalable real-world applications. Collaborating with Akhetonics, SmarAct is leveraging nanopositioning systems as the precision motion core for test workstations, achieving unparalleled accuracy in characterizing next-generation photonic integrated circuits (PICs). This innovation is crucial for accelerating the practical implementation of optical computing technologies.
In Depth

Key Findings

SmarAct, a German company specializing in high-precision positioning, automation, and measurement systems, is developing groundbreaking technology through its collaboration with Akhetonics to translate the theoretical potential of optical computing into scalable real-world applications. By utilizing nanopositioning systems as the precision motion core for test workstations, they are achieving unprecedented accuracy and reliability in characterizing next-generation photonic integrated circuits (PICs). This advancement holds critical significance for accelerating the commercialization and widespread adoption of optical computing technologies.

Technical / Clinical Details

SmarAct’s nanopositioning systems, capable of moving and positioning optical fibers, probes, and other optical components with sub-nanometer precision, play a crucial role in optical coupling and testing of PICs. In collaboration with Akhetonics, this nanopositioning system has been integrated as the core of a versatile test setup designed for detailed optical and electrical performance characterization of next-generation PICs. This enables maximization of optical coupling efficiency into and out of PIC ports, precise measurement of optical losses within the chip, and detection of subtle defects in optical pathways. A high-precision testing environment is indispensable for shortening design iteration cycles and improving PIC manufacturing yields, ultimately accelerating the practical implementation of high-performance optical computing devices.

Background & Context

Optical computing is widely anticipated as a next-generation technology to overcome the speed, power consumption, and heat generation limits faced by traditional electrical-based computing. Particularly with the increasing volume of AI workloads, the importance of optical interconnects for resolving data transfer bottlenecks is growing. However, the manufacturing of photonic integrated circuits, which involves manipulating structures at micro- to nanoscale, demands extremely high precision at every stage from design to fabrication and testing. Currently, the testing and verification process remains one of the primary barriers to the widespread adoption of PICs. The efforts by SmarAct and Akhetonics are aimed at removing this barrier and paving the way for the mass production of advanced optical chips.

Strategic Significance & Outlook

The technology developed by SmarAct and Akhetonics will serve as a crucial tool for quality assurance and performance optimization in the development of next-generation optical computing devices. The proliferation of this high-precision testing technology will accelerate the market introduction of diverse applications built upon optical technology, including AI accelerators, quantum computing hardware, and ultra-high-speed communication systems. In the future, it will enable the design and manufacturing of more complex and larger-scale PICs, strengthening the technological foundation for optical computing to establish itself as a mainstream computing paradigm. This collaboration holds the potential to serve as an international benchmark in advancing the precision manufacturing and testing capabilities essential for the commercial success of optical computing.

Source: https://physicsworld.com/a/nanopositioning-customization-and-control-opening-new-frontiers-in-optical-computing/

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