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arXiv · 2501.09788

Large-Range Tuning and Stabilization of the Optical Transition of Diamond Tin-Vacancy Centers by In-Situ Strain Control

Julia M. Brevoord·Leonardo G. C. Wienhoven·Nina Codreanu·Tetsuro Ishiguro·Elvis van Leeuwen·Mariagrazia Iuliano·Lorenzo De Santis·Christopher Waas·Hans K. C. Beukers·Tim Turan·Carlos Errando-Herranz·Kenichi Kawaguchi·Ronald Hanson
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Abstract

The negatively charged tin-vacancy (SnV-) center in diamond has emerged as a promising platform for quantum computing and quantum networks. To connect SnV- qubits in large networks, in-situ tuning and stabilization of their optical transitions are essential to overcome static and dynamic frequency offsets induced by the local environment. Here we report on the large-range optical frequency tuning of diamond SnV- centers using micro-electro-mechanically mediated strain control in photonic integrated waveguide devices. We realize a tuning range of >40 GHz, covering a major part of the inhomogeneous distribution. In addition, we employ real-time feedback on the strain environment to stabilize the resonant frequency and mitigate spectral wandering. These results provide a path for on-chip scaling of diamond SnV-based quantum networks.

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Julia M. Brevoord, Leonardo G. C. Wienhoven, Nina Codreanu, Tetsuro Ishiguro, Elvis van Leeuwen, Mariagrazia Iuliano, Lorenzo De Santis, Christopher Waas, Hans K. C. Beukers, Tim Turan, Carlos Errando-Herranz, Kenichi Kawaguchi, Ronald Hanson. 2025-01-16. Large-Range Tuning and Stabilization of the Optical Transition of Diamond Tin-Vacancy Centers by In-Situ Strain Control. https://doi.org/10.1063/5.0251211

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