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MON: Monday Contributed Sessions
MON 23: Poster Session: Fundamental Aspects and Model Systems
MON 23.11: Poster
Monday, September 8, 2025, 18:30–20:30, ZHG Foyer 1. OG
Development and Study of an Optical Quantum Processing Unit, OQPU — •Ruder Jannes1 and Hans-Otto Carmesin1,2,3 — 1Universität Bremen, Fachbereich 1, Postfach 330440, 28334 Bremen — 2Studienseminar Stade, Bahnhofstr. 5, 21682 Stade — 3Gymnasium Athenaeum, Harsefelder Straße 40, 21680 Stade
The ongoing advancement of optical technologies opens new possibilities for enhancing the performance of classical computer architectures. This contribution presents the design and current status of implementation of a novel computer chip called the OQPU. The aim of this chip is to combine the advantages of optical computations, particularly the processing of information through light with quantum mechanical principles, to enable more efficient data processing. The OQPU utilizes laser beams whose states can be precisely manipulated and exhibit properties similar to qubits. Unlike single-photon approaches, this method provides a cost- and resource-efficient alternative while still harnessing quantum effects such as superposition and interference. The OQPU aims to overcome practical limitations in scalability, temperature and stability faced by many quantum devices. The development process focuses on validating the physical principles and optimizing the device structure. Challenges such as maintaining coherence and integrating optical components with classical electronics are addressed. Potential applications range from quantum-enhanced algorithms for complex problem-solving to faster optical data transmission systems. This work represents a significant step towards practical quantum-enhanced computing devices.
Keywords: Quantum Computing; Quantum Physics