Integrated Multi-Wavelength Photonic Architectures for Future Scalable Trapped Ion Quantum Devices

• URL: http://arxiv.org/abs/2505.07445v2
• Date: Wed, 06 Aug 2025 06:38:39 GMT
• Title: Integrated Multi-Wavelength Photonic Architectures for Future Scalable Trapped Ion Quantum Devices
• Authors: Alto Osada, Koichiro Miyanishi,
• Abstract summary: We discuss photonic architectures for trapped-ion quantum devices, in which lasers of multiple wavelengths are delivered to multiple trapping zones within a single chip.<n>This work opens up a new landscape of photonic architecture for various applications not only to quantum ones but also to classical photonics.
• Score: 0.0
• License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
• Abstract: Recent advances of quantum technologies rely on precise control and integration of quantum objects, and technological breakthrough is anticipated for further scaling up to realize practical applications. Trapped-ion quantum technology is a promising candidates to realize them, while its scalability depends on the development of intra-node scaling up, reproducibility of quantum nodes and photonic interconnection among them. Utilization of integrated photonics instead of free-space optics is a crucial step toward mass production of trapped-ion quantum nodes and manifests itself as useful for laser delivery for various quantum operations and photon detection. However, whole architecture of the scalable photonic circuits for them is left unexplored. In this work, we discuss photonic architectures for trapped-ion quantum devices, in which lasers of multiple wavelengths are delivered to multiple trapping zones within a single chip. We analyze two methods of configuring nanophotonic waveguides and compare them in terms of loss of total laser power. This work opens up a new landscape of photonic architecture for various applications not only to quantum ones such as trapped-ion devices but also to classical photonics, e.g. optoelectronic devices and biochemical sensing.

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